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1. What does T wave represent
in an ECG
a) Atrial diastole
b) Atrial systole
c) Ventricular diastole
d) Joint diastole
Ans:- Ventricular diastole
2. Which is called pacemaker of
heart:-
a) SA node
b) AV node
c) Bundle of His
d) Purkinje fibres
Ans:- SA node
3. Rise in carotid sinus pressure
leads to-
a. Reflex hypercapnea
b. Reflex hyperapnea
c. Reflex tachycardia
d. Reflex Bradycardia
Ans:- Reflex bradycardia
4. Duration of the absolute
period; when the whole heart
is in diastole is-
a. 0.2 sec
b. 0.1 sec
c. o.4 sec
d. o.7 sec
Ans:- 0.2 Sec
5. What is the most common
congenital heart defect with a left
to right shunt causing congenital
heart failure in pediatric age group
a. ASD
b. VSD
c. PDA
d. COA
Ans:- VSD
6. Which of the following is the
best choice for management of
Tet spell-
a. Precedex
b. Propanolol
c. Making the baby cry
d. Fluid resuscitation
Ans:- Propanolol
7. One specific ECG change in
hypokalemia is-
a. ST segment elevation
b. U wave
c. Tall peaked T wave
d. Widening of QRS complex
Ans:- U wave
8. The location of nerve centre
activity of the heart is-
a. Mid brain
b. Pons
c. Cerebrum
d. Medulla oblongata
Ans:- Medulla oblongata
9. The ventricular muscle
accepts impulses directly from-
a. AV node
b. Bundle of His
c. Purkinje system
d. Right and left bundle approach
Ans:- Purkinje system
10. Which is characteristic triad
associated with cardiac tamponade-
a. Beck’s triad
b. Murphy’s eye
c. Whipple’s triad
d. Virchow’s triad
Ans:- Beck’s triad
11.Excessive alcohol use while
on warfarin therapy leads to-
a. Decreased anticoagulation effect
b. Increased vit K absorption
c. Decreased INR
d. Increased anticoagulation effect
Ans:- Increased anticoagulation
effect
12. The most common congenital
cyanotic heart disease:-
a. TOF
b. TGA
c. Tricuspid atresia
d. Total anomalous pulmonary venous
connection
Ans:- TOF
13. What is most common site
for IABP insertion-
a. Carotid
b. Femoral
c. Subclavian
d. Axillary
Ans:- Femoral
14. IABP deflates when the heart-
a. Contracts
b. Fills with blood
c. Relaxes
d. Stop beating
Ans:- Contracts
15. Full form of IABP is-
Intra-arterial ballon pump
Intra-aortic ballon pump
Inter-arterial ballon pump
Inter-aortic ballon pump
Ans:- Intra-aortic ballon pump
16. The volume of blood in the left
ventricle at the end of diastole is -
Afterload
Stroke volume
Preload
contractility
Ans:- Preload
17. What is the normal range of
cardiac output in adult-
a. 1-3 lit/min
b. 4-8lit/min
c. 8-11 lit/min
d. 9-12 lit/min
Ans:- 4-8lit/min
18. In an effort to improve cardiac
output a positive ionotropic drug is
given to-
a. Increase the contractility of the heart
b. Increase heart rate
c. Increase conduction velocity
d. Increase automaticity of heart
Ans:- Increase the
contractility of the heart
19. The nurse caring for a patient whose
sudden onset of sinus bradycardia is not
responding adequately to atropine; what
is treatment of choice-
a. Implanted pacemaker
b. Trancutaneous pacemaker
c. ICD
d. Asynchronus defribillator
Ans:- Trancutaneous pacemaker
20. A increased CVP value
indicates:-
a. Hypervolemia
b. Hypovolemia
c. Hyperkalemia
d. Hyponatremia
Ans:- Hypervolemia
THANK
YOU

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ECG Wave T Representation in Cardiac Cycle