Dr. Sadgun Bhandari is a General Adult Psychiatrist Consultant and an expert at the management of Serious Mental Illness especially.

1. BASIC SCIENCES IN PSYCHIATRY
QUIZ I
 DR SADGUN BHANDARI
 CONSULTANT PSYCHIATRIST
 QUEEN ELIZABETH II HOSPITAL
 WELWYN GARDEN CITY
 HERTFORDSHIRE

2. BASIC SCIENCES IN PSYCHIATRY
QUIZ I
 1. Oxytocin
A. Is synthesized in the suprachiasmatic nucleus
B. Causes milk ejection
 C. Relaxes the uterus
 D. Is a large polypeptide
 E. Is released directly into the circulation from its site
of production

3. BASIC SCIENCES IN PSYCHIATRY
QUIZ I
 2. Nerve Impulse Transmission
A. In myelinated fibres is slower than in unmyelinated
fibres
 B. Conduction velocity is directly proportional to the
diameter of the conducting fibres
 C. Excitatory neurotransmitters hyperpolarize the
nerve cell membrane
 D. Is saltatory in unmyelinated nerves
E. Opening of potassium channels results in
depolarization of the nerve cell membrane

4. BASIC SCIENCES IN PSYCHIATRY
QUIZ I
 3. Which of the following neurotransmitters is most
important for the
induction of REM sleep?
A. Acetylcholine
B. Dopamine
C. Adrenaline
 D. Noradrenaline
E. Serotonin


5. BASIC SCIENCES IN PSYCHIATRY
QUIZ I
 4. What percentage of the volume of the human brain
is occupied by myelinated axons?
 A. 1%
 B. 45%
 C. 10%
 D. 20%
 E. 80%

6. BASIC SCIENCES IN PSYCHIATRY
QUIZ I
 5. A man is unable to wash the left side of his body and denies
that his left arm belongs to him even though he clearly
visualizes it. Examination reveals that the patient's
somatosensory system is intact. These findings indicate that the
patient may have a lesion in the:

 A. Globus pallidus.
 B. Left anterior caudate.
 C. Left sensorimotor cortex.
 D. Right orbital frontal cortex.
 E. Right parietal cortex.

7. BASIC SCIENCES IN PSYCHIATRY
QUIZ I
 6. The histological features found in the brains of
patients with Alzheimer’s disease are:
 A. Ischemic neurons, gliosis and reparative changes
 B. Demyelination of white matter
 C. Spongiform changes of the cerebral cortex
 D. Neurofibrillary tangles, neuritic amyloid
plaques, and amyloid angiopathy
 E. Normal histology


8. BASIC SCIENCES IN PSYCHIATRY
QUIZ I
 7. The morphologic findings patients with Wernicke’s
encephalopathy include which of the following:
 A. Hemorrhagic necrosis of mamillary bodies
 B. Global cerebral atrophy
 C. Loss of pigment in the substantia nigra
 D. Hydrocephalus, obliterative endarteritis and
gliosis.
 E. Frontal and temporal lobe atrophy

9. BASIC SCIENCES IN PSYCHIATRY
QUIZ I
 8. The following cerebral lobes are most affected by
Pick's disease?

 A. Temporal and frontal.
 B. Parietal and occipital.
 C. Parietal and temporal.
 D. Occipital and temporal.
 E. Occipital and frontal

10. BASIC SCIENCES IN PSYCHIATRY
QUIZ I
 9. Rapid eye movement (REM) sleep is characterized
by:

 A. Sleep spindles of 14 Hz.
 B. Increased regularity of heartbeat.
 C. Exaggerated parasympathetic responses.
 D. Increased tone in antigravity muscles.
 E. Phasic twitches in somatic musculature.

11.  9. An EEG that reveals posterior alpha and anterior
beta activity is most likely to have been obtained
from:

 A. A sleeping adult.
 B. A 1-year-old infant.
 C. A relaxed adult with eyes open.
 D. A relaxed adult with eyes closed.
 E. An adult performing intense mental activity with
eyes closed

BASIC SCIENCES IN PSYCHIATRY
QUIZ I