QUESTION & ANSWER
SESSION ON
ANAESTHETIC DRUGS
Which analgesic drug is called
“Queen of analgesic drugs”?
MORPHINE
1
PREPP-19
From which plant, Morphine is extracted?.
PAPAVER SOMNIFERUM
Extra-Innings: Which country produces 80% of
world requirement of opium?
2
PREPP-19
Mention 2 more alkaloids
extracted from poppy extract:
CODEINE & THEBAINE
3
PREPP-19
Name the ingredients of “ LYTIC COCKTAIL”:
CHLORPROMAZINE
PETHIDINE
PROMETHAZINE
4
PREPP-19
Which action of Morphine is beneficial
for the patient in cardiac failure?
PERIPHERAL VENO-DILATATION LEADING TO
PULMONARY DECONGESTION
5
What is the intra-thecal dose of Morphine?
100-200 µg
6
PREPP-19
What are the principal side effects
of neuraxial morphine?
Nausea
Vomiting
Pruritus
Respiratory depression
7
PREPP-19
What are the types of respiratory depression
seen with neuraxial morphine?
Early onset – 10 -30 min
Late onset – after 2 – 4 hours
8
PREPP-19
How will you treat the pruritus induced by
intrathecal morphine?
NALOXONE INFUSION -0.25 -1 µG/KG/HOUR
ONDANSETRON
MIRTAZAPINE-5-HT 2,3 ANTAGONIST
9
PREPP-19
What is the dose of Fentanyl if it is
used as a sole induction dose?
20 -140 µg /kg
10
PREPP-19
What are the peculiar side effect of high dose fentanyl?
Chest wall rigidity
11
PREPP-19
What is the additional antidote for
Buprenorphine induced respiratory depression
apart from naloxone?
DOXAPRAM
IV infusion: 1-2 mg/kg IV injection, repeat in 5 min, if no response, wait 1-2 hr
and repeat priming dose; if some stimulation noted, initiate infusion at 1-3
mg/min IV infusion; suspend infusion if patient begins to awaken; may repeat
after a rest of 30-120 minutes, total dose not to exceed 3 g/day
12
Which is the shortest acting synthetic opioid?
REMIFENTANYL
13
PREPP-19
Which opioid is metabolised by plasma esterases?
REMIFENTANIL
14
PREPP-19
What is the drug being misused here? 15
From which plant cocaine is extracted?
ERYTHROXYLON COCA
16
PREPP-19
Who suggested Carl Koller about the local anaesthetic
property of cocaine ?
SIGMUND FREUD
17
PREPP-19
What are the drugs used to produce
“twilight sleep”?
MORPHINE
SCOPOLAMINE
18
PREPP-19
Following this unexpected air raid and bombing by Japan
on Pearl Harbour in USA, there were many war causalities.
One drug is incriminated in causing many deaths in them
When tried to debride the wounds.
What is that anaesthetic drug?
19
Among the following drugs, which depresses
the airway reflexes the most?
THIOPENTONE PROPOFOL
KETAMINE
20
PREPP-19
From which plant,curare is extracted from?
CHONDRODENDRON TOMENTOSUM
21
PREPP-19
Who was the first animal who was kept alive after curare injection
with the help of artificial ventilation?
WOURALIA-A DONKEY
22
PREPP-19
Who introduced curare for the surgical practice?
HAROLD GRIFFITH & ENID JOHNSON-1942
Extra-innings: what is the name of that preparation?
23
What is that plant? What are the active alkaloids?
24
Which inhalational anaesthetic has got the highest
O/G partition co-efficient?
Halothane-224
Isoflurane-91
Methoxyflurane-970
Desflurane-18.7
Sevoflurane-47
SEVOFLURANE ISOFLURANE HALOTHANE METHOXYFLURANE
DESFLURANE
25
PREPP-19
Arrange the following inhalational agents in ascending order
in terms of B-G partition co-efficient:
Isoflurane,sevoflurane,desflurane,halothane,ether & N2O
Desflurane – 0.45
N2O – 0.47
Sevoflurane - 0.65
Isoflurane – 1.4
Halothane – 2.5
Ether - 12
26
PREPP-19
I have B-G partition co-efficient lower than N2O
Don’t undergo biotransformation
Provide rapid induction and emergence
WHO AM I ?
Exert analgesic effect
Noble gas
XENON
27 (An inhalational anaesthetic)
PREPP-19
Which metabolic product is responsible for hepatitis
following halothane administration?
TRIFLUROACETIC ACID (TFA)
28
PREPP-19
My chemical name is
Fluromethyl-2-2-difluro-1-vinyl ether
I may cause renal injury if inhaled for
more than 50 ppm for 3 hours
I’m strongly connected with baralyme use
rather than sodalime
I’m a toxic product
COMPOUND A
29
PREPP-19
What is the formulation used initially and now for propofol
to make it an aqueous solution?
CREMOPHOR EL
10% SOYA BEAN OIL
2.25% GLYCEROL
1-2% EGG PHOPHOTIDE/
ACTIVATED LECITHIN
EDTA
30
PREPP-19
What is the receptor site of action of Propofol?
POTENTIATING GABA INDUCED CHLORIDE CURRENT
INHIBITION OF NMDA RECEPTOR
31
PREPP-19
Which of the following effect
doesn’t occur with Propofol:
ANTIEMESIS
SENSE OF
WELL BEING
AFTER
RECOVERY
ANTANALGESIA MYOCLONUS
ADDICTION
ANTANALGESIA
32
PREPP-19
What is the action of propofol on bronchial tone?
BRONCHODILATOR
33
PREPP-19
What is the anti-emetic dose of Propofol?
10 -20 mg
34
PREPP-19
What is the danger of prolonged infusion of propofol in ICU?
PROPOFOL INFUSION SYNDROME
Acute cardiac failure
Metabolic acidosis
myopathy
hepatomegaly
hyperkalemia
35
PREPP-19
What was the first barbiturate used clinically?
BARBITAL ( Diethyl barbituric acid -1903)
36
PREPP-19
What is ‘somnifen’?
A MIXTURE OF BARBITURATE SALTS OF
DIETHYL & DIALLYL BARBITURIC ACIDS.
USED EXTENSIVELY IN 1920s
37
PREPP-19
Who introduced Thiopental in to clinical practice?
RALPH WATERS & JOHN LUNDY
38
PREPP-19
Give two more examples of ultra short acting barbiturates
apart from thiopentone:
METHOHEXITAL
THIOAMYLAL
39
PREPP-19
Which enzyme is stimulated by Thiopentone
to precipitate an acute attack of porphyria?
GAMA-AMINO LEVULINIC ACID SYNTHETASE
40
PREPP-19
What is the difference between the mechanism of recovery
if Thiopentone is given as a single dose induction agent
and as a continuous infusion?
REDISTRIBUTION IS THE MECHANISM OF RECOVERY AFTER
A SINGLE DOSE
ADIPOSE TISSUE DISTRIBUTION & ELIMINATION BY
METABOLISM IS FOR CONTINUOUS INFUSION
41
PREPP-19
What’s the action of thiopentone on pain threshold?
ÍT LOWERS IT AND HAS ANTANALGESIC PROPERTY
42
PREPP-19
Suggest some treatment for accidental
intra-arterial injection of thiopentone:
 LEAVE THE NEEDLE THERE
 DILUTE THE DRUG WITH SALINE
 HEPARIN
 BRACHIAL PLEXUS BLOCK
43
PREPP-19
What are the active metabolites of Diazepam?
DESMETHYL DIAZEPAM
OXAZEPAM
44
PREPP-19
Which the most in vivo lipid soluble drug among the following?
Lorazepam Diazepam Midazolam Nitrazepam
MIDAZOLAM
45
PREPP-19
What is the specific antidote of
Benzodiazepine overdose?
FLUMAZENIL
46
PREPP-19
What is the dose of Flumazenil in treating
the Benzodiazepine poisoning?
0.1 – 0.2 mg REPEATED UPTO 3 mg.
47
PREPP-19
Who introduced Ketamine in to clinical practice?
CORSSEN AND DOMINO(1965)
48
PREPP-19
How Ketamine differs from other induction drugs?
 ANALGESIC
 DOESN’T DEPRESS CVS
 HALLUCINATIONS IN THE RECOVERY PERIOD
 PRESERVES THE REFLEXES TO CERTAIN EXTENT
49
PREPP-19
What is the principal site of action of Ketamine ?
 THALAMOCORTICAL PROJECTION
 LIMBIC SYSTEM
50
PREPP-19
On which receptors, ketamine act?
 NMDA
 OPIOID µ RECEPTORS
 WDR NEURONS IN DORSAL HORN
Extra-Innings: What is that WDR?
51
PREPP-19
What is the oral dose of ketamine?
3 -10 mg/kg
52
PREPP-19
What is the oral dose of Morphine?
30 -100 mg/day
53
PREPP-19
Which preservative of ketamine is responsible
for its neurotoxic activity precluding its use
in intrathecal route?
CHLOROBUTANOL
54
PREPP-19
What are the major advantages of Etomidate?
 HAEMODYNAMIC STABILITY
 MINIMAL RESPIRATORY DEPRESSION
 CEREBRAL PROTECTION
 RAPID RECOVERY
55
PREPP-19
What are the disadvantages of etomidate?
 TEMPORARY INHIBITION OF STEROID SYNTHESIS
 PAIN ON INJECTION
 SUPERFICIAL THROMBOPHLEBITIS
 MYOCLONUS
 INCREASED INCIDENCE OF NAUSEA & VOMITING
56
PREPP-19
What is the induction dose of etomidate?
0.2 -0.6 mg /kg
57
PREPP-19
Which enzyme is being inhibited by etomidate resulting in
Adrenocortical suppression?
11-beta-Hydroxylase
58
PREPP-19
Etomidate is contra-indicated in one of the following situation.
What is it?
 Cardio-vascular disease
 Reactive airway disease
 Intracranial Hypertension
NONE
It can be used in all of these conditions
59
PREPP-19
Which drug can be used to reverse the
sedative effect of Dexmeditomidine?
ATIPAMEZOLE
60
PREPP-19
What are the prime side effects
of Dexmeditomidine?
 BRADYCARDIA
 HYPOTENSION
61
PREPP-19
What do you mean by “Neuroleptanalgesia”?
A TRANCE LIKE IMMOBILITY IN A PATIENT WITH INTENSE ANALGESIA
WHO IS DISSOCIATED AND INDIFFERENT TO THE EXTERNAL
SORROUNDINGS
62
PREPP-19
Give an example of Neuroleptic drug combination:
 DROPERIDOL & FENTANYL
 HALOPERIDOL & PETHIDINE
63
PREPP-19
What is the effect of droperidol
on the cardiac conduction?
PROLONGATION OF QTc INTERVAL
64
PREPP-19
Why Morphine is named so?
IT IS NAMED AFTER THE
GREEK GOD OF DREAMS-MORPHEA
65
PREPP-19
Which is the synthetic opioid among the following drugs?
Pethidine Codeine Thebaine Morphine
PETHIDINE
66
PREPP-19
Find out the non-opioid:
Loperamide Diphenoxalate caffiene Papavarine
CAFFIENE
67
PREPP-19
Which opioid receptor mediates
the respiratory depression?
µ RECEPTOR
68
PREPP-19
Which opioid has got an anti-shivering action?
• PETHIDINE
• TRAMADOL
69
PREPP-19
Which drug’s administration in a hypovolemic condition
was referred as an ideal form of EUTHANASIA ?
When was it referred like that?
THIOPENTONE
PEARL HARBOUR INCIDENT
70
PREPP-19
Which metabolite of Morphine possesses
more µ receptor
activity?
MORPHINE-6-GLUCURONIDE
71
PREPP-19
What is the bio-availability of oral Morphine?
20 - 30%
72
PREPP-19
How much Fentanyl is taken up
by lungs as first pass effect?
75%
73
PREPP-19
Find the drug which is not metabolised by pseudocholinesterase
MIVACURIUM REMIFENTANIL PROPANIDID BUTRYLCHOLINE
REMIFENTANIL.
IT’S METABOLISED BY NON-SPECIFIC ESTERASES
74
PREPP-19
What is the bio-availability of
sublingual Buprenorphine?
50%
75
PREPP-19
What is OTFC? What is its bio-availability?
 ORAL TRANSMUCOSAL FENTANIL CITRATE
 LOZENGES
 25% ABSORBED IN THE BUCCAL MUCOSA
 SHOULD BE GIVEN 30 MIN BEFORE THE PROCEDURE
76
PREPP-19
Which opioid interacts with
MAO inhibitors the most?
PETHIDINE
77
PREPP-19
Which drug is given here?
TOF MONITORING
SUCCINYL CHOLINE
78
PREPP-19
What is the normal Dibucaine number
of peudocholinesterase?
70-80
79
PREPP-19
Why bradycardia is common after
second dose of succinylcholine?
THE METABOLIC PRODUCT, SUCCINYL MONOCHOLINE SENSITIZES
THE HEART FOR THE FURTHER ACTION OF SCOLINE
80
PREPP-19
How much K+ level increases after an
intubating dose of scoline?
0.5 -1 meq/L
81
PREPP-19
What is the intra gastric pressure
required to overcome the competency of
gastro-oesophageal sphincter?
28-30 cm of H2O
82
PREPP-19
What is the longest acting
non-depolarizing muscle relaxant?
DOXACURIUM - 0.04mg/kg – 90 min
0.06 mg/kg – 125 min
83
PREPP-19
What do you mean by “priming technique”?
A SMALL SUB-PARALYSING DOSE OF THE NON-DEPOLARIZER
(about 20% of the ED95 or 10% of the intubating dose)-2-4 MIN BEFORE
ADMINISTERING THE FULL DOSE FOR TRACHEAL INTUBATION
84
PREPP-19
What is the primary metabolic pathway for Atracurium?
Non-specific ester hydrolysis (60 -90%)
85
PREPP-19
What are the toxic metabolites of Atracurium?
 LAUDANOSINE
 ACRYLATES
86
PREPP-19
Among the following list, which drug doesn’t depend upon
kidney for its elimination?
ROCURONIUM ALCURONIUM METOCURINE GALLAMINE
ROCURONIUM
87
PREPP-19
Two more non-depolarizers which
release histamine apart from
Atracurium:
D-TUBOCURARINE
MIVACURIUM
88
PREPP-19
Aminoglycosides enhance the neuromuscular blockade
of non-depolarizers.
What drug can be used to hasten the recovery
after this drug interaction?
4-AMINOPYRIDINE
89
PREPP-19
Name the naturally occurring
anticholinesterase alkaloid:
PHYSOSTIGMINE
Extra-innings: Believed to be used by Cleopatra to enhance her beauty
90
Name a short acting anticholinesterase:
EDROPHONIUM
91
PREPP-19
What is the maximum effective dose of neostigmine
above which further enhancement of reversal doesn’t occur?
80 -100 µg/kg
Extra-innings: Why it is so?
92
PREPP-19
Which drug is more appropriate to reverse a verapamil
potentiated non-depolarizing blockade?
EDROPHONIUM
93
PREPP-19
What do you mean by “Tensilon test”?
 To confirm the diagnosis of Myasthesnia gravis.
After a test dose of 1-2 mg, a total dose of 10 mg of Edrophonium
Is given. A positive response occurs within 5 minutes.
94
PREPP-19
Identify the ester local anaesthetic:
PRILOCAINE MEPIVACAINE TERACAINE ETIDOCAINE
TETRACAINE
95
PREPP-19
Identify the topically active local anaesthetic:
BENZOCAINE CHLOROPROCAINE ETIDOCAINE ROPIVACAINE
BENZOCAINE
96
PREPP-19
Name the local anaesthetic drug which
was introduced in to anaesthetic practice by
Central Drug Research Institute, Lucknow:
CENTBUCRIDINE
97
PREPP-19
What are the pKa values of
Lignocaine & Bupivacaine?
LIGNOCAINE -7.8
BUPIVACAINE – 8.1
98
PREPP-19
What is the % of lignocaine to be used in IVRA?
0.5%
Extra-innings: Which drug is contra indicated for IVRA?
99
PREPP-19
.What other local anaesthetic is preferred for IVRA?
PRILOCAINE
Extra-innings: What will happen if excessive
Prilocaine is absorbed systemically?
100
PREPP-19
What is the % of Dextrose added to
Bupivacaine to make it heavy?
8.25 %
101
PREPP-19
What is the composition of EMLA cream?
EUTECTIC MIXTURE OF
2.5 % LIGNOCAINE &
2.5 % PRILOCAINE
Extra-Innings- What do you mean by “Eutectic”?
102
A eutectic mixture is defined as a mixture of two or more components
which usually do not interact to form a new chemical compound but,
which at certain ratios, inhibit the crystallization process of one another
resulting in a system having a lower melting point than either of the
components
PREPP-19
What do you mean by ‘TAÇ’ solution?
 TETRACAINE 0.5%
 ADRENALINE 1 in 2000
 COCAINE 10 -11.8 %
Has to be applied to the cut edges of the wound.
Ineffective on intact skin
103
PREPP-19
What is “LET”preparation?
LIGNOCAINE
EPINEPHRINE
TETRACAINE
Combination is called as LET solution
104
PREPP-19
What is the dose of lignocaine being
used in Tumuscent anaesthesia?
35 -55 mg/kg
105
PREPP-19
What is the only local anaesthetic
which causes vasoconstriction?
COCAINE
106
PREPP-19
How will you treat the methhaemoglobinaemia
induced by prilocaine?
INTRAVENOUS METHYLENE BLUE
Extra-innings: What is the metabolite responsible
for this side effect?
O-toluidine
107
PREPP-19
What is the medical relevance of Garlic intake?
 INHIBITS PLATELET AGGREGATION
 CAUSES INCREASED FIBRINOLYSIS
 HAS TO BE STOPPED 7 DAYS PRIOR TO SURGERY
108
PREPP-19
What is the drug interaction between
Reserpine and anaesthetic drugs?
 Reserpine depletes the stores of catecholamines
in the brainstem and periphery.
 So drug acting by releasing the catecholamines
like Ephedrine may be ineffective.
 Reserpine decreases the MAC by 20-30%
109
PREPP-19
What is the main side effect of α-methyl dopa?
• ORTHOSTATIC HYPOTENSION
• AUTOIMMUNE HAEMOLYTIC ANAEMIA
110
PREPP-19
What is the pre-operative instruction you will give for a patient
who is on Lisinopril?
Whether to continue? Or Discontinue? What’s the reason?
 TO BE DISCINTINUED
 PRODUCES SEVERE HYPOTENSION
DURING INDUCTION
111
PREPP-19
What are the main side-effects
of chronic diuretic intake?
HYPOCHLORAEMIC ALKALOSIS
HYPOKALEMIA
HYPERURICAEMIA
HYPERGLYCAEMIA
112
PREPP-19
Which inhalational anaesthetic sensitizes the myocardium
to exogenous catecholamines?
HALOTHANE
113
PREPP-19
What is the composition of Aminophylline?
85% THEOPHYLLINE+ 15% ETHYLENE DIAMINE
114
PREPP-19
Which inhalational anaesthetic interacts with Aminophylline
leading to the development of ventricular arrhythmias?
HALOTHANE
115
PREPP-19
What is the side effect of Amiodarone because of its Iodine
content?
THYROID DYSFUNCTION
116
PREPP-19
This signature ECG is produced by long term intake of this drug.
What is that drug?
Digitalization
117
PREPP-19
Which electrolyte abnormality will
predispose to Digitalis toxicity?
HYPOKALEMIA
118
PREPP-19
What is the risk for the patient who was on
oral contraceptives preoperatively?
DEVELOPMENT OF DVT IN THE
POST-OPERATIVE PERIOD
119
PREPP-19
Which electrolyte is called as
“physiological calcium antagonist”?
MAGNESIUM
120
PREPP-19
What are the major actions/uses of Magnesium?
 ANTICONVULSANT
 TOCOLYSIS
 SEDATIVE
 ANTI-HYPERTENSIVE
 BRONCHODILATOR
 ANTI-ARRHYTHMIC
121
PREPP-19
Define the toxic plasma levels of Mg:
 Depressed cardiac conduction -5-10 mg%
 Depressed tendon reflexes, muscle weakness -20-34mg%
 Hypotension , bradycardia -24 -48 mg%
 Areflexia , respiratory paralysis – 48 -72mg%
122
PREPP-19
Which eye drops have an
interaction with succinylcholine?
ECHOTHIOPHATE EYE DROPS
123
PREPP-19
What are the drugs incriminated in the development
of Malignant Hyperthermia?
HALOTHANE
SUCCINYL CHOLINE
124
PREPP-19
What is the dose of dantrolene to treat MH?
2mg/kg every 5 minutes to a total dose
of 10mg/kg,if needed.
125
PREPP-19
How will you calculate the Na deficit and
the dose of the sodium to be replaced?
DOSE IN m.eq = WEIGHT IN Kg x (140 – patients serum Na) x 0.6
126
PREPP-19
What is the osmolality of Normal saline
and 3% saline?
NORMAL SALINE –ISOOSMOLAR-308 mosm/L
HYPERTONIC SALINE – 513mosm/L
127
PREPP-19
What is the recommended rate
of potassium replacement?
10 – 20 meq / hour TO A MAXIMUM OF 200meq.
128
PREPP-19
What is the K level in Ringer Lactate?
4 meq/L
129
PREPP-19
Which I.V fluid has got the
maximum potassium content?
ISOLYE-M – 13 meq/L
130
PREPP-19
What is the dose of Mannitol
used to reduce the ICT?
0.25 – 1 G / kg
131
PREPP-19
What is the recommended maximum dose
of Hydroxyethyl starch per day?
20 ml/kg per day
132
PREPP-19
What are the side effects of Hydroxyethyl starch?
 INTERFERENCE WITH
COAGULATION,CLOT FORMATION,
CROSS MATCHING
133
PREPP-19
What do you mean by Dextran-40 and Dextran-70?
Where they are primarily used?
 DEXTRAN 40 – M.W-40,000 daltons
 DEXTRAN 70 – M.W -70,000 daltons
 USED TO INHIBIT THROMBUS FORMATION
134
PREPP-19
A drug over dose is related to these animals and objects.
What is that drug?
ATROPINE
135
PREPP-19
What are the alkaloids derived from this plant?
ATROPINE,HYOSCYAMINE & SCOPALAMINE
136
PREPP-19
Acute desensitization occurs with the
following drug:
SODIUM NITROPRUSSIDE
ESMOLOL
NITROGLYCERINE
METAPROLOL
137
PREPP-19
How Ipratropium differs from Atropine?
 IPRATROPIUM IS A QUATERNARY AMMONIUM COMPOUND.
 POORLY ABSORBED WHEN INHALED AND HAS A LOCAL ACTION
138
PREPP-19
Which drug antagonizes the action of Atropine?
PHYSOSTIGMINE
139
PREPP-19
What are the other uses of anticholinesterases
apart from neuro-muscular reversal?
 MYASTHENIA GRAVIS
 NEUROTOXIC SNAKE BITE
 GLAUCOMA –MIOTIC ACTION
 PARALYTIC ILEUS
140
PREPP-19
What is the dose of Adrenaline in CPR?
1mg every 3-5 minutes
141
PREPP-19
What is the dose of Adrenaline in epidural test dose?
What is the positive response?
 15µg of Adrenaline in 45 mg of Lignocaine as 1.5%
 More than 15 mm of Hg systolic BP rise
 More than 10 beats of HR within 10 seconds
142
PREPP-19
Which vasodilator was commonly used for the manufacture of
“DYNAMITES”explosives? Who used it for this purpose first?
 NITROGLYCERIN
 ALFRED NOBEL
Ïsn’t the irony of fate that I’ve been prescribed Nitroglycerin
to be taken internally…! They call it ‘trinitrin’ so as not to
scare the chemist and public…!
143
PREPP-19
Which enzyme converts the Nitrates to Nitric oxide?
Mitochondrial Aldehyde Dehydrogenase
144
PREPP-19
Where else Nitrates are used apart
from being used as a vasodilator?
 TOCOLYTICS
 TO PRODUCE METHHAEMOGLOBIAEMIA
IN TREATMENT OF CYANIDE POISONING
145
PREPP-19
What is the dose of Esmolol in treating hypertensive crisis?
0.5 mg /kg bolus
0.05-0.2 mg/kg/min infusion
146
PREPP-19
How is Esmolol metabolised?
METABOLISED BY ESTERASES IN THE
CYTOSOL OF R.B.C
147
PREPP-19
What is the dose of Amiodarone used to treat the
arrhythmias induced by Digoxin?
IT IS CONTRA-INDICATED IN THIS SITUATION
148
PREPP-19
Arrange the following inhalational anaesthetics
in the ascending order in terms of Boiling point:
DESFLURANE-22.80
ETHER-34.6
SEVOFLURANE-58.6
TRILENE-86 METHOXYFLURANE-104.7
149
Which drug is responsible for the
death of this poor girl?
CHLOROFORM
150
PREPP-19
Which drug is responsible for this state of affair?
CHLOROFORM
(Dr.Simpson,Dr.George Keith & Dr.Duncan)
151
PREPP-19
We are also using the same drug as his blow gun.
What is that drug?
CURARE152
PREPP-19
What is an A.C.E mixture?
ALCOHOL
CHLOROFORM
ETHER MIXTURE
153
PREPP-19
Who suggested chloroform to Simpson?
DAVID WALDIE
Extra-innings: He travelled to India and
settled at Calcutta and established a chemical
manufacturing company.
154
Mention some uses of sodium bicarbonate:
Treatment of
1. metabolic acidosis
2. Hyperkalemia
3. As an antacid
4. Purgative(used with poly ethylene glycol)
5. Forced alkaline diuresis
6. To hasten the onset of local anaesthetics
155
PREPP-19
What is the formula to calculate
the dose of Sodium bicarbonate?
Dose of NaCO3 = Body weight x Base deficit x 0.3
156
PREPP-19
What is MOFFETT’S solution?
COCAINE 10% -1 ml
ADRENALINE 1 in 1000 – 1 ml
SODIUM BICARBONATE 8.4% - 2 ml
157
PREPP-19
Mention some uses of Calcium Gluconate:
HYPOCALCAEMIA
HYPERKALEMIA
HIGH MAGNESIUM LEVEL
158
PREPP-19
What are the signs & symptoms of Hypocalcaemia?
CONFUSION
NUMBNESS AND TINGLING IN THE HANDS
MUSCLE SPASM
SEIZURE
DEPRESSION
Chvostek's sign
Trousseau's sign
159
PREPP-19
In which situations, paraldehyde was used?
SEDATION
HYPNOSIS
ANTI-CONVULSANT
Extra-innings: What is special in its excretion?
160
PREPP-19
What is the dose of Trichlorofos in
paediatric premedication?
25 -30 mg/kg orally as a syrup
Availability -500 mg/5 ml
161
PREPP-19
Following are the indications of Dexamethasone except
 High altitude cerebral oedema
 PONV
 Patients who have been administered a live viral vaccine
 Congenital adrenal hyperplasia
PATIENTS GIVEN LIVE VIRAL VACCINE
162
PREPP-19
How long a patient has to take steroids
to get his HPA axis suppressed?
Minimum of 2 weeks
163
PREPP-19
Which amino acid acts as a precursor
in the synthesis of Nor-adrenaline?
PHENYL ALANINE
164
PREPP-19
What is the infusion dose of nor-adrenaline?
Initial dose: 8 to 12 mcg/min
continuous IV infusion
Maintenance dose: 2 to 4
mcg/min continuous IV
infusion
165
PREPP-19
What is the advantage of Levo-bupivacaine
over bupivacaine?
LOWER CARDIOLOGICAL AND NEUROLOGICCAL
TOXIC PROFILE
166
PREPP-19
What is PROXYMETACAINE /PROPARACAINE?
• LOCAL ANAESTHETIC BELONGING TO AMINOESTER GROUP
• USED IN OPHTHALMOLOGICAL SURFACE ANAESTHESIA
167
PREPP-19
What are major actions of PROMETHAZINE?
 SEDATIVE
 ANTI-EMETIC
 ANTI ALLERGIC
 ANTI TUSSIVE
 ANTISIALLAGOGUE
168
PREPP-19
Where is RUMACK-MATTHEW NOMOGRAM is used?
PARACETAMOL POISONING
It estimates the risk of toxicity based on the serum
concentration of paracetamol at a given number of hours
after ingestion.
To determine the risk of potential hepatotoxicity, the
paracetamol level is traced along the nomogram.
169
What is the antidote for
paracetamol poisoning?
N-ACETYL CYSTEINE
infusion of a 150 mg/kg loading dose over 15 to 60 minutes,
followed by a 50 mg/kg infusion over four hours; the last
100 mg/kg are infused over the remaining 16 hours.
170
PREPP-19
What is the action of Glycopyrrolate on the CNS?
No..it doesn’t cross the Blood Brain Barrier
171
PREPP-19
What are the other uses of Salbutamol apart from
its usage as bronchodilator?
 TO TREAT HYPERKALEMIA
 TOCOLYTIC
172
PREPP-19
What are the therapeutic uses of phenytoin?
 ANTI-EPILEPTIC
 ANTI ARRHYTHMIC
 TO TREAT NEUROPATHIC PAIN
 TRIGEMINAL NEURALGIA
173
PREPP-19
Which barbiturate can be used in
CRIGLER-NAJJAR syndrome?
PHENOBARBITAL
174
PREPP-19
175 What is the relationship between
protamine and vasectomy?
 When the protamine was made from the semen of salmon fish,
Protamine was proven to be allergic in vasectomized men.
 But now it is made by recombinant DNA technology.
No increased incidence of allergy in them.
PREPP-19
What is the dose of protamine to
reverse the heparin effect?
1mg of protamine sulfate for
every 100 units of heparin
given in the past 4 hours
176
PREPP-19
Mention one major side effect of
prolonged heparin infusion?
HEPARIN INDUCED THROMBOCYTOPENIA
177
PREPP-19
Mention some alternative drugs
for heparin which can be
used in CPB circuits?
 ANCROD
 HIRUDIN
178
PREPP-19
What type of anaesthesia was given to Mahatma Gandhi
for his emergency appendicectomy?
OPEN DROP CHLOROFORM
179
PREPP-19
Which drug is incriminated in
the mysterious death of Michael Jackson?
PROPOFOL &
LORAZEPAM
180
PREPP-19
When was Ether administered in India for the first time?
And where was it?
22nd March 1847
MEDICAL COLLEGE HOSPITALS,CALCUTTA
181
PREPP-19
Who headed the
HYDERABAD CHLOROFORM COMMISSION?
EDWARD LAWRIE
Extra-innings: Second hyderabad commission was sponsored
by Hyderabad Nizam(1000 pounds). 430 animal administration of chloroform &
54 human experiments were conducted at Afjalganj hospital(Osmania)
182
Who was the (only) lady anaesthetist
in Hyderabad Chloroform commission?
ROOPABAI FERDUNJI
FINAL
PREPP-19
dr.r.selvakumar.M.D.D.A.DNB
professor of anaesthesiology
madurai medical college
madurai
thank
you

Question & answer session on anaesthetic drugs

  • 1.
    QUESTION & ANSWER SESSIONON ANAESTHETIC DRUGS
  • 2.
    Which analgesic drugis called “Queen of analgesic drugs”? MORPHINE 1 PREPP-19
  • 3.
    From which plant,Morphine is extracted?. PAPAVER SOMNIFERUM Extra-Innings: Which country produces 80% of world requirement of opium? 2 PREPP-19
  • 4.
    Mention 2 morealkaloids extracted from poppy extract: CODEINE & THEBAINE 3 PREPP-19
  • 5.
    Name the ingredientsof “ LYTIC COCKTAIL”: CHLORPROMAZINE PETHIDINE PROMETHAZINE 4 PREPP-19
  • 6.
    Which action ofMorphine is beneficial for the patient in cardiac failure? PERIPHERAL VENO-DILATATION LEADING TO PULMONARY DECONGESTION 5
  • 7.
    What is theintra-thecal dose of Morphine? 100-200 µg 6 PREPP-19
  • 8.
    What are theprincipal side effects of neuraxial morphine? Nausea Vomiting Pruritus Respiratory depression 7 PREPP-19
  • 9.
    What are thetypes of respiratory depression seen with neuraxial morphine? Early onset – 10 -30 min Late onset – after 2 – 4 hours 8 PREPP-19
  • 10.
    How will youtreat the pruritus induced by intrathecal morphine? NALOXONE INFUSION -0.25 -1 µG/KG/HOUR ONDANSETRON MIRTAZAPINE-5-HT 2,3 ANTAGONIST 9 PREPP-19
  • 11.
    What is thedose of Fentanyl if it is used as a sole induction dose? 20 -140 µg /kg 10 PREPP-19
  • 12.
    What are thepeculiar side effect of high dose fentanyl? Chest wall rigidity 11 PREPP-19
  • 13.
    What is theadditional antidote for Buprenorphine induced respiratory depression apart from naloxone? DOXAPRAM IV infusion: 1-2 mg/kg IV injection, repeat in 5 min, if no response, wait 1-2 hr and repeat priming dose; if some stimulation noted, initiate infusion at 1-3 mg/min IV infusion; suspend infusion if patient begins to awaken; may repeat after a rest of 30-120 minutes, total dose not to exceed 3 g/day 12
  • 14.
    Which is theshortest acting synthetic opioid? REMIFENTANYL 13 PREPP-19
  • 15.
    Which opioid ismetabolised by plasma esterases? REMIFENTANIL 14 PREPP-19
  • 16.
    What is thedrug being misused here? 15
  • 17.
    From which plantcocaine is extracted? ERYTHROXYLON COCA 16 PREPP-19
  • 18.
    Who suggested CarlKoller about the local anaesthetic property of cocaine ? SIGMUND FREUD 17 PREPP-19
  • 19.
    What are thedrugs used to produce “twilight sleep”? MORPHINE SCOPOLAMINE 18 PREPP-19
  • 20.
    Following this unexpectedair raid and bombing by Japan on Pearl Harbour in USA, there were many war causalities. One drug is incriminated in causing many deaths in them When tried to debride the wounds. What is that anaesthetic drug? 19
  • 21.
    Among the followingdrugs, which depresses the airway reflexes the most? THIOPENTONE PROPOFOL KETAMINE 20 PREPP-19
  • 22.
    From which plant,curareis extracted from? CHONDRODENDRON TOMENTOSUM 21 PREPP-19
  • 23.
    Who was thefirst animal who was kept alive after curare injection with the help of artificial ventilation? WOURALIA-A DONKEY 22 PREPP-19
  • 24.
    Who introduced curarefor the surgical practice? HAROLD GRIFFITH & ENID JOHNSON-1942 Extra-innings: what is the name of that preparation? 23
  • 25.
    What is thatplant? What are the active alkaloids? 24
  • 26.
    Which inhalational anaesthetichas got the highest O/G partition co-efficient? Halothane-224 Isoflurane-91 Methoxyflurane-970 Desflurane-18.7 Sevoflurane-47 SEVOFLURANE ISOFLURANE HALOTHANE METHOXYFLURANE DESFLURANE 25 PREPP-19
  • 27.
    Arrange the followinginhalational agents in ascending order in terms of B-G partition co-efficient: Isoflurane,sevoflurane,desflurane,halothane,ether & N2O Desflurane – 0.45 N2O – 0.47 Sevoflurane - 0.65 Isoflurane – 1.4 Halothane – 2.5 Ether - 12 26 PREPP-19
  • 28.
    I have B-Gpartition co-efficient lower than N2O Don’t undergo biotransformation Provide rapid induction and emergence WHO AM I ? Exert analgesic effect Noble gas XENON 27 (An inhalational anaesthetic) PREPP-19
  • 29.
    Which metabolic productis responsible for hepatitis following halothane administration? TRIFLUROACETIC ACID (TFA) 28 PREPP-19
  • 30.
    My chemical nameis Fluromethyl-2-2-difluro-1-vinyl ether I may cause renal injury if inhaled for more than 50 ppm for 3 hours I’m strongly connected with baralyme use rather than sodalime I’m a toxic product COMPOUND A 29 PREPP-19
  • 31.
    What is theformulation used initially and now for propofol to make it an aqueous solution? CREMOPHOR EL 10% SOYA BEAN OIL 2.25% GLYCEROL 1-2% EGG PHOPHOTIDE/ ACTIVATED LECITHIN EDTA 30 PREPP-19
  • 32.
    What is thereceptor site of action of Propofol? POTENTIATING GABA INDUCED CHLORIDE CURRENT INHIBITION OF NMDA RECEPTOR 31 PREPP-19
  • 33.
    Which of thefollowing effect doesn’t occur with Propofol: ANTIEMESIS SENSE OF WELL BEING AFTER RECOVERY ANTANALGESIA MYOCLONUS ADDICTION ANTANALGESIA 32 PREPP-19
  • 34.
    What is theaction of propofol on bronchial tone? BRONCHODILATOR 33 PREPP-19
  • 35.
    What is theanti-emetic dose of Propofol? 10 -20 mg 34 PREPP-19
  • 36.
    What is thedanger of prolonged infusion of propofol in ICU? PROPOFOL INFUSION SYNDROME Acute cardiac failure Metabolic acidosis myopathy hepatomegaly hyperkalemia 35 PREPP-19
  • 37.
    What was thefirst barbiturate used clinically? BARBITAL ( Diethyl barbituric acid -1903) 36 PREPP-19
  • 38.
    What is ‘somnifen’? AMIXTURE OF BARBITURATE SALTS OF DIETHYL & DIALLYL BARBITURIC ACIDS. USED EXTENSIVELY IN 1920s 37 PREPP-19
  • 39.
    Who introduced Thiopentalin to clinical practice? RALPH WATERS & JOHN LUNDY 38 PREPP-19
  • 40.
    Give two moreexamples of ultra short acting barbiturates apart from thiopentone: METHOHEXITAL THIOAMYLAL 39 PREPP-19
  • 41.
    Which enzyme isstimulated by Thiopentone to precipitate an acute attack of porphyria? GAMA-AMINO LEVULINIC ACID SYNTHETASE 40 PREPP-19
  • 42.
    What is thedifference between the mechanism of recovery if Thiopentone is given as a single dose induction agent and as a continuous infusion? REDISTRIBUTION IS THE MECHANISM OF RECOVERY AFTER A SINGLE DOSE ADIPOSE TISSUE DISTRIBUTION & ELIMINATION BY METABOLISM IS FOR CONTINUOUS INFUSION 41 PREPP-19
  • 43.
    What’s the actionof thiopentone on pain threshold? ÍT LOWERS IT AND HAS ANTANALGESIC PROPERTY 42 PREPP-19
  • 44.
    Suggest some treatmentfor accidental intra-arterial injection of thiopentone:  LEAVE THE NEEDLE THERE  DILUTE THE DRUG WITH SALINE  HEPARIN  BRACHIAL PLEXUS BLOCK 43 PREPP-19
  • 45.
    What are theactive metabolites of Diazepam? DESMETHYL DIAZEPAM OXAZEPAM 44 PREPP-19
  • 46.
    Which the mostin vivo lipid soluble drug among the following? Lorazepam Diazepam Midazolam Nitrazepam MIDAZOLAM 45 PREPP-19
  • 47.
    What is thespecific antidote of Benzodiazepine overdose? FLUMAZENIL 46 PREPP-19
  • 48.
    What is thedose of Flumazenil in treating the Benzodiazepine poisoning? 0.1 – 0.2 mg REPEATED UPTO 3 mg. 47 PREPP-19
  • 49.
    Who introduced Ketaminein to clinical practice? CORSSEN AND DOMINO(1965) 48 PREPP-19
  • 50.
    How Ketamine differsfrom other induction drugs?  ANALGESIC  DOESN’T DEPRESS CVS  HALLUCINATIONS IN THE RECOVERY PERIOD  PRESERVES THE REFLEXES TO CERTAIN EXTENT 49 PREPP-19
  • 51.
    What is theprincipal site of action of Ketamine ?  THALAMOCORTICAL PROJECTION  LIMBIC SYSTEM 50 PREPP-19
  • 52.
    On which receptors,ketamine act?  NMDA  OPIOID µ RECEPTORS  WDR NEURONS IN DORSAL HORN Extra-Innings: What is that WDR? 51 PREPP-19
  • 53.
    What is theoral dose of ketamine? 3 -10 mg/kg 52 PREPP-19
  • 54.
    What is theoral dose of Morphine? 30 -100 mg/day 53 PREPP-19
  • 55.
    Which preservative ofketamine is responsible for its neurotoxic activity precluding its use in intrathecal route? CHLOROBUTANOL 54 PREPP-19
  • 56.
    What are themajor advantages of Etomidate?  HAEMODYNAMIC STABILITY  MINIMAL RESPIRATORY DEPRESSION  CEREBRAL PROTECTION  RAPID RECOVERY 55 PREPP-19
  • 57.
    What are thedisadvantages of etomidate?  TEMPORARY INHIBITION OF STEROID SYNTHESIS  PAIN ON INJECTION  SUPERFICIAL THROMBOPHLEBITIS  MYOCLONUS  INCREASED INCIDENCE OF NAUSEA & VOMITING 56 PREPP-19
  • 58.
    What is theinduction dose of etomidate? 0.2 -0.6 mg /kg 57 PREPP-19
  • 59.
    Which enzyme isbeing inhibited by etomidate resulting in Adrenocortical suppression? 11-beta-Hydroxylase 58 PREPP-19
  • 60.
    Etomidate is contra-indicatedin one of the following situation. What is it?  Cardio-vascular disease  Reactive airway disease  Intracranial Hypertension NONE It can be used in all of these conditions 59 PREPP-19
  • 61.
    Which drug canbe used to reverse the sedative effect of Dexmeditomidine? ATIPAMEZOLE 60 PREPP-19
  • 62.
    What are theprime side effects of Dexmeditomidine?  BRADYCARDIA  HYPOTENSION 61 PREPP-19
  • 63.
    What do youmean by “Neuroleptanalgesia”? A TRANCE LIKE IMMOBILITY IN A PATIENT WITH INTENSE ANALGESIA WHO IS DISSOCIATED AND INDIFFERENT TO THE EXTERNAL SORROUNDINGS 62 PREPP-19
  • 64.
    Give an exampleof Neuroleptic drug combination:  DROPERIDOL & FENTANYL  HALOPERIDOL & PETHIDINE 63 PREPP-19
  • 65.
    What is theeffect of droperidol on the cardiac conduction? PROLONGATION OF QTc INTERVAL 64 PREPP-19
  • 66.
    Why Morphine isnamed so? IT IS NAMED AFTER THE GREEK GOD OF DREAMS-MORPHEA 65 PREPP-19
  • 67.
    Which is thesynthetic opioid among the following drugs? Pethidine Codeine Thebaine Morphine PETHIDINE 66 PREPP-19
  • 68.
    Find out thenon-opioid: Loperamide Diphenoxalate caffiene Papavarine CAFFIENE 67 PREPP-19
  • 69.
    Which opioid receptormediates the respiratory depression? µ RECEPTOR 68 PREPP-19
  • 70.
    Which opioid hasgot an anti-shivering action? • PETHIDINE • TRAMADOL 69 PREPP-19
  • 71.
    Which drug’s administrationin a hypovolemic condition was referred as an ideal form of EUTHANASIA ? When was it referred like that? THIOPENTONE PEARL HARBOUR INCIDENT 70 PREPP-19
  • 72.
    Which metabolite ofMorphine possesses more µ receptor activity? MORPHINE-6-GLUCURONIDE 71 PREPP-19
  • 73.
    What is thebio-availability of oral Morphine? 20 - 30% 72 PREPP-19
  • 74.
    How much Fentanylis taken up by lungs as first pass effect? 75% 73 PREPP-19
  • 75.
    Find the drugwhich is not metabolised by pseudocholinesterase MIVACURIUM REMIFENTANIL PROPANIDID BUTRYLCHOLINE REMIFENTANIL. IT’S METABOLISED BY NON-SPECIFIC ESTERASES 74 PREPP-19
  • 76.
    What is thebio-availability of sublingual Buprenorphine? 50% 75 PREPP-19
  • 77.
    What is OTFC?What is its bio-availability?  ORAL TRANSMUCOSAL FENTANIL CITRATE  LOZENGES  25% ABSORBED IN THE BUCCAL MUCOSA  SHOULD BE GIVEN 30 MIN BEFORE THE PROCEDURE 76 PREPP-19
  • 78.
    Which opioid interactswith MAO inhibitors the most? PETHIDINE 77 PREPP-19
  • 79.
    Which drug isgiven here? TOF MONITORING SUCCINYL CHOLINE 78 PREPP-19
  • 80.
    What is thenormal Dibucaine number of peudocholinesterase? 70-80 79 PREPP-19
  • 81.
    Why bradycardia iscommon after second dose of succinylcholine? THE METABOLIC PRODUCT, SUCCINYL MONOCHOLINE SENSITIZES THE HEART FOR THE FURTHER ACTION OF SCOLINE 80 PREPP-19
  • 82.
    How much K+level increases after an intubating dose of scoline? 0.5 -1 meq/L 81 PREPP-19
  • 83.
    What is theintra gastric pressure required to overcome the competency of gastro-oesophageal sphincter? 28-30 cm of H2O 82 PREPP-19
  • 84.
    What is thelongest acting non-depolarizing muscle relaxant? DOXACURIUM - 0.04mg/kg – 90 min 0.06 mg/kg – 125 min 83 PREPP-19
  • 85.
    What do youmean by “priming technique”? A SMALL SUB-PARALYSING DOSE OF THE NON-DEPOLARIZER (about 20% of the ED95 or 10% of the intubating dose)-2-4 MIN BEFORE ADMINISTERING THE FULL DOSE FOR TRACHEAL INTUBATION 84 PREPP-19
  • 86.
    What is theprimary metabolic pathway for Atracurium? Non-specific ester hydrolysis (60 -90%) 85 PREPP-19
  • 87.
    What are thetoxic metabolites of Atracurium?  LAUDANOSINE  ACRYLATES 86 PREPP-19
  • 88.
    Among the followinglist, which drug doesn’t depend upon kidney for its elimination? ROCURONIUM ALCURONIUM METOCURINE GALLAMINE ROCURONIUM 87 PREPP-19
  • 89.
    Two more non-depolarizerswhich release histamine apart from Atracurium: D-TUBOCURARINE MIVACURIUM 88 PREPP-19
  • 90.
    Aminoglycosides enhance theneuromuscular blockade of non-depolarizers. What drug can be used to hasten the recovery after this drug interaction? 4-AMINOPYRIDINE 89 PREPP-19
  • 91.
    Name the naturallyoccurring anticholinesterase alkaloid: PHYSOSTIGMINE Extra-innings: Believed to be used by Cleopatra to enhance her beauty 90
  • 92.
    Name a shortacting anticholinesterase: EDROPHONIUM 91 PREPP-19
  • 93.
    What is themaximum effective dose of neostigmine above which further enhancement of reversal doesn’t occur? 80 -100 µg/kg Extra-innings: Why it is so? 92 PREPP-19
  • 94.
    Which drug ismore appropriate to reverse a verapamil potentiated non-depolarizing blockade? EDROPHONIUM 93 PREPP-19
  • 95.
    What do youmean by “Tensilon test”?  To confirm the diagnosis of Myasthesnia gravis. After a test dose of 1-2 mg, a total dose of 10 mg of Edrophonium Is given. A positive response occurs within 5 minutes. 94 PREPP-19
  • 96.
    Identify the esterlocal anaesthetic: PRILOCAINE MEPIVACAINE TERACAINE ETIDOCAINE TETRACAINE 95 PREPP-19
  • 97.
    Identify the topicallyactive local anaesthetic: BENZOCAINE CHLOROPROCAINE ETIDOCAINE ROPIVACAINE BENZOCAINE 96 PREPP-19
  • 98.
    Name the localanaesthetic drug which was introduced in to anaesthetic practice by Central Drug Research Institute, Lucknow: CENTBUCRIDINE 97 PREPP-19
  • 99.
    What are thepKa values of Lignocaine & Bupivacaine? LIGNOCAINE -7.8 BUPIVACAINE – 8.1 98 PREPP-19
  • 100.
    What is the% of lignocaine to be used in IVRA? 0.5% Extra-innings: Which drug is contra indicated for IVRA? 99 PREPP-19
  • 101.
    .What other localanaesthetic is preferred for IVRA? PRILOCAINE Extra-innings: What will happen if excessive Prilocaine is absorbed systemically? 100 PREPP-19
  • 102.
    What is the% of Dextrose added to Bupivacaine to make it heavy? 8.25 % 101 PREPP-19
  • 103.
    What is thecomposition of EMLA cream? EUTECTIC MIXTURE OF 2.5 % LIGNOCAINE & 2.5 % PRILOCAINE Extra-Innings- What do you mean by “Eutectic”? 102 A eutectic mixture is defined as a mixture of two or more components which usually do not interact to form a new chemical compound but, which at certain ratios, inhibit the crystallization process of one another resulting in a system having a lower melting point than either of the components PREPP-19
  • 104.
    What do youmean by ‘TAÇ’ solution?  TETRACAINE 0.5%  ADRENALINE 1 in 2000  COCAINE 10 -11.8 % Has to be applied to the cut edges of the wound. Ineffective on intact skin 103 PREPP-19
  • 105.
  • 106.
    What is thedose of lignocaine being used in Tumuscent anaesthesia? 35 -55 mg/kg 105 PREPP-19
  • 107.
    What is theonly local anaesthetic which causes vasoconstriction? COCAINE 106 PREPP-19
  • 108.
    How will youtreat the methhaemoglobinaemia induced by prilocaine? INTRAVENOUS METHYLENE BLUE Extra-innings: What is the metabolite responsible for this side effect? O-toluidine 107 PREPP-19
  • 109.
    What is themedical relevance of Garlic intake?  INHIBITS PLATELET AGGREGATION  CAUSES INCREASED FIBRINOLYSIS  HAS TO BE STOPPED 7 DAYS PRIOR TO SURGERY 108 PREPP-19
  • 110.
    What is thedrug interaction between Reserpine and anaesthetic drugs?  Reserpine depletes the stores of catecholamines in the brainstem and periphery.  So drug acting by releasing the catecholamines like Ephedrine may be ineffective.  Reserpine decreases the MAC by 20-30% 109 PREPP-19
  • 111.
    What is themain side effect of α-methyl dopa? • ORTHOSTATIC HYPOTENSION • AUTOIMMUNE HAEMOLYTIC ANAEMIA 110 PREPP-19
  • 112.
    What is thepre-operative instruction you will give for a patient who is on Lisinopril? Whether to continue? Or Discontinue? What’s the reason?  TO BE DISCINTINUED  PRODUCES SEVERE HYPOTENSION DURING INDUCTION 111 PREPP-19
  • 113.
    What are themain side-effects of chronic diuretic intake? HYPOCHLORAEMIC ALKALOSIS HYPOKALEMIA HYPERURICAEMIA HYPERGLYCAEMIA 112 PREPP-19
  • 114.
    Which inhalational anaestheticsensitizes the myocardium to exogenous catecholamines? HALOTHANE 113 PREPP-19
  • 115.
    What is thecomposition of Aminophylline? 85% THEOPHYLLINE+ 15% ETHYLENE DIAMINE 114 PREPP-19
  • 116.
    Which inhalational anaestheticinteracts with Aminophylline leading to the development of ventricular arrhythmias? HALOTHANE 115 PREPP-19
  • 117.
    What is theside effect of Amiodarone because of its Iodine content? THYROID DYSFUNCTION 116 PREPP-19
  • 118.
    This signature ECGis produced by long term intake of this drug. What is that drug? Digitalization 117 PREPP-19
  • 119.
    Which electrolyte abnormalitywill predispose to Digitalis toxicity? HYPOKALEMIA 118 PREPP-19
  • 120.
    What is therisk for the patient who was on oral contraceptives preoperatively? DEVELOPMENT OF DVT IN THE POST-OPERATIVE PERIOD 119 PREPP-19
  • 121.
    Which electrolyte iscalled as “physiological calcium antagonist”? MAGNESIUM 120 PREPP-19
  • 122.
    What are themajor actions/uses of Magnesium?  ANTICONVULSANT  TOCOLYSIS  SEDATIVE  ANTI-HYPERTENSIVE  BRONCHODILATOR  ANTI-ARRHYTHMIC 121 PREPP-19
  • 123.
    Define the toxicplasma levels of Mg:  Depressed cardiac conduction -5-10 mg%  Depressed tendon reflexes, muscle weakness -20-34mg%  Hypotension , bradycardia -24 -48 mg%  Areflexia , respiratory paralysis – 48 -72mg% 122 PREPP-19
  • 124.
    Which eye dropshave an interaction with succinylcholine? ECHOTHIOPHATE EYE DROPS 123 PREPP-19
  • 125.
    What are thedrugs incriminated in the development of Malignant Hyperthermia? HALOTHANE SUCCINYL CHOLINE 124 PREPP-19
  • 126.
    What is thedose of dantrolene to treat MH? 2mg/kg every 5 minutes to a total dose of 10mg/kg,if needed. 125 PREPP-19
  • 127.
    How will youcalculate the Na deficit and the dose of the sodium to be replaced? DOSE IN m.eq = WEIGHT IN Kg x (140 – patients serum Na) x 0.6 126 PREPP-19
  • 128.
    What is theosmolality of Normal saline and 3% saline? NORMAL SALINE –ISOOSMOLAR-308 mosm/L HYPERTONIC SALINE – 513mosm/L 127 PREPP-19
  • 129.
    What is therecommended rate of potassium replacement? 10 – 20 meq / hour TO A MAXIMUM OF 200meq. 128 PREPP-19
  • 130.
    What is theK level in Ringer Lactate? 4 meq/L 129 PREPP-19
  • 131.
    Which I.V fluidhas got the maximum potassium content? ISOLYE-M – 13 meq/L 130 PREPP-19
  • 132.
    What is thedose of Mannitol used to reduce the ICT? 0.25 – 1 G / kg 131 PREPP-19
  • 133.
    What is therecommended maximum dose of Hydroxyethyl starch per day? 20 ml/kg per day 132 PREPP-19
  • 134.
    What are theside effects of Hydroxyethyl starch?  INTERFERENCE WITH COAGULATION,CLOT FORMATION, CROSS MATCHING 133 PREPP-19
  • 135.
    What do youmean by Dextran-40 and Dextran-70? Where they are primarily used?  DEXTRAN 40 – M.W-40,000 daltons  DEXTRAN 70 – M.W -70,000 daltons  USED TO INHIBIT THROMBUS FORMATION 134 PREPP-19
  • 136.
    A drug overdose is related to these animals and objects. What is that drug? ATROPINE 135 PREPP-19
  • 137.
    What are thealkaloids derived from this plant? ATROPINE,HYOSCYAMINE & SCOPALAMINE 136 PREPP-19
  • 138.
    Acute desensitization occurswith the following drug: SODIUM NITROPRUSSIDE ESMOLOL NITROGLYCERINE METAPROLOL 137 PREPP-19
  • 139.
    How Ipratropium differsfrom Atropine?  IPRATROPIUM IS A QUATERNARY AMMONIUM COMPOUND.  POORLY ABSORBED WHEN INHALED AND HAS A LOCAL ACTION 138 PREPP-19
  • 140.
    Which drug antagonizesthe action of Atropine? PHYSOSTIGMINE 139 PREPP-19
  • 141.
    What are theother uses of anticholinesterases apart from neuro-muscular reversal?  MYASTHENIA GRAVIS  NEUROTOXIC SNAKE BITE  GLAUCOMA –MIOTIC ACTION  PARALYTIC ILEUS 140 PREPP-19
  • 142.
    What is thedose of Adrenaline in CPR? 1mg every 3-5 minutes 141 PREPP-19
  • 143.
    What is thedose of Adrenaline in epidural test dose? What is the positive response?  15µg of Adrenaline in 45 mg of Lignocaine as 1.5%  More than 15 mm of Hg systolic BP rise  More than 10 beats of HR within 10 seconds 142 PREPP-19
  • 144.
    Which vasodilator wascommonly used for the manufacture of “DYNAMITES”explosives? Who used it for this purpose first?  NITROGLYCERIN  ALFRED NOBEL Ïsn’t the irony of fate that I’ve been prescribed Nitroglycerin to be taken internally…! They call it ‘trinitrin’ so as not to scare the chemist and public…! 143 PREPP-19
  • 145.
    Which enzyme convertsthe Nitrates to Nitric oxide? Mitochondrial Aldehyde Dehydrogenase 144 PREPP-19
  • 146.
    Where else Nitratesare used apart from being used as a vasodilator?  TOCOLYTICS  TO PRODUCE METHHAEMOGLOBIAEMIA IN TREATMENT OF CYANIDE POISONING 145 PREPP-19
  • 147.
    What is thedose of Esmolol in treating hypertensive crisis? 0.5 mg /kg bolus 0.05-0.2 mg/kg/min infusion 146 PREPP-19
  • 148.
    How is Esmololmetabolised? METABOLISED BY ESTERASES IN THE CYTOSOL OF R.B.C 147 PREPP-19
  • 149.
    What is thedose of Amiodarone used to treat the arrhythmias induced by Digoxin? IT IS CONTRA-INDICATED IN THIS SITUATION 148 PREPP-19
  • 150.
    Arrange the followinginhalational anaesthetics in the ascending order in terms of Boiling point: DESFLURANE-22.80 ETHER-34.6 SEVOFLURANE-58.6 TRILENE-86 METHOXYFLURANE-104.7 149
  • 151.
    Which drug isresponsible for the death of this poor girl? CHLOROFORM 150 PREPP-19
  • 152.
    Which drug isresponsible for this state of affair? CHLOROFORM (Dr.Simpson,Dr.George Keith & Dr.Duncan) 151 PREPP-19
  • 153.
    We are alsousing the same drug as his blow gun. What is that drug? CURARE152 PREPP-19
  • 154.
    What is anA.C.E mixture? ALCOHOL CHLOROFORM ETHER MIXTURE 153 PREPP-19
  • 155.
    Who suggested chloroformto Simpson? DAVID WALDIE Extra-innings: He travelled to India and settled at Calcutta and established a chemical manufacturing company. 154
  • 156.
    Mention some usesof sodium bicarbonate: Treatment of 1. metabolic acidosis 2. Hyperkalemia 3. As an antacid 4. Purgative(used with poly ethylene glycol) 5. Forced alkaline diuresis 6. To hasten the onset of local anaesthetics 155 PREPP-19
  • 157.
    What is theformula to calculate the dose of Sodium bicarbonate? Dose of NaCO3 = Body weight x Base deficit x 0.3 156 PREPP-19
  • 158.
    What is MOFFETT’Ssolution? COCAINE 10% -1 ml ADRENALINE 1 in 1000 – 1 ml SODIUM BICARBONATE 8.4% - 2 ml 157 PREPP-19
  • 159.
    Mention some usesof Calcium Gluconate: HYPOCALCAEMIA HYPERKALEMIA HIGH MAGNESIUM LEVEL 158 PREPP-19
  • 160.
    What are thesigns & symptoms of Hypocalcaemia? CONFUSION NUMBNESS AND TINGLING IN THE HANDS MUSCLE SPASM SEIZURE DEPRESSION Chvostek's sign Trousseau's sign 159 PREPP-19
  • 161.
    In which situations,paraldehyde was used? SEDATION HYPNOSIS ANTI-CONVULSANT Extra-innings: What is special in its excretion? 160 PREPP-19
  • 162.
    What is thedose of Trichlorofos in paediatric premedication? 25 -30 mg/kg orally as a syrup Availability -500 mg/5 ml 161 PREPP-19
  • 163.
    Following are theindications of Dexamethasone except  High altitude cerebral oedema  PONV  Patients who have been administered a live viral vaccine  Congenital adrenal hyperplasia PATIENTS GIVEN LIVE VIRAL VACCINE 162 PREPP-19
  • 164.
    How long apatient has to take steroids to get his HPA axis suppressed? Minimum of 2 weeks 163 PREPP-19
  • 165.
    Which amino acidacts as a precursor in the synthesis of Nor-adrenaline? PHENYL ALANINE 164 PREPP-19
  • 166.
    What is theinfusion dose of nor-adrenaline? Initial dose: 8 to 12 mcg/min continuous IV infusion Maintenance dose: 2 to 4 mcg/min continuous IV infusion 165 PREPP-19
  • 167.
    What is theadvantage of Levo-bupivacaine over bupivacaine? LOWER CARDIOLOGICAL AND NEUROLOGICCAL TOXIC PROFILE 166 PREPP-19
  • 168.
    What is PROXYMETACAINE/PROPARACAINE? • LOCAL ANAESTHETIC BELONGING TO AMINOESTER GROUP • USED IN OPHTHALMOLOGICAL SURFACE ANAESTHESIA 167 PREPP-19
  • 169.
    What are majoractions of PROMETHAZINE?  SEDATIVE  ANTI-EMETIC  ANTI ALLERGIC  ANTI TUSSIVE  ANTISIALLAGOGUE 168 PREPP-19
  • 170.
    Where is RUMACK-MATTHEWNOMOGRAM is used? PARACETAMOL POISONING It estimates the risk of toxicity based on the serum concentration of paracetamol at a given number of hours after ingestion. To determine the risk of potential hepatotoxicity, the paracetamol level is traced along the nomogram. 169
  • 171.
    What is theantidote for paracetamol poisoning? N-ACETYL CYSTEINE infusion of a 150 mg/kg loading dose over 15 to 60 minutes, followed by a 50 mg/kg infusion over four hours; the last 100 mg/kg are infused over the remaining 16 hours. 170 PREPP-19
  • 172.
    What is theaction of Glycopyrrolate on the CNS? No..it doesn’t cross the Blood Brain Barrier 171 PREPP-19
  • 173.
    What are theother uses of Salbutamol apart from its usage as bronchodilator?  TO TREAT HYPERKALEMIA  TOCOLYTIC 172 PREPP-19
  • 174.
    What are thetherapeutic uses of phenytoin?  ANTI-EPILEPTIC  ANTI ARRHYTHMIC  TO TREAT NEUROPATHIC PAIN  TRIGEMINAL NEURALGIA 173 PREPP-19
  • 175.
    Which barbiturate canbe used in CRIGLER-NAJJAR syndrome? PHENOBARBITAL 174 PREPP-19
  • 176.
    175 What isthe relationship between protamine and vasectomy?  When the protamine was made from the semen of salmon fish, Protamine was proven to be allergic in vasectomized men.  But now it is made by recombinant DNA technology. No increased incidence of allergy in them. PREPP-19
  • 177.
    What is thedose of protamine to reverse the heparin effect? 1mg of protamine sulfate for every 100 units of heparin given in the past 4 hours 176 PREPP-19
  • 178.
    Mention one majorside effect of prolonged heparin infusion? HEPARIN INDUCED THROMBOCYTOPENIA 177 PREPP-19
  • 179.
    Mention some alternativedrugs for heparin which can be used in CPB circuits?  ANCROD  HIRUDIN 178 PREPP-19
  • 180.
    What type ofanaesthesia was given to Mahatma Gandhi for his emergency appendicectomy? OPEN DROP CHLOROFORM 179 PREPP-19
  • 181.
    Which drug isincriminated in the mysterious death of Michael Jackson? PROPOFOL & LORAZEPAM 180 PREPP-19
  • 182.
    When was Etheradministered in India for the first time? And where was it? 22nd March 1847 MEDICAL COLLEGE HOSPITALS,CALCUTTA 181 PREPP-19
  • 183.
    Who headed the HYDERABADCHLOROFORM COMMISSION? EDWARD LAWRIE Extra-innings: Second hyderabad commission was sponsored by Hyderabad Nizam(1000 pounds). 430 animal administration of chloroform & 54 human experiments were conducted at Afjalganj hospital(Osmania) 182
  • 184.
    Who was the(only) lady anaesthetist in Hyderabad Chloroform commission? ROOPABAI FERDUNJI FINAL PREPP-19
  • 186.