141. Maximum filling of the ventricles takes place during which phase of the cardiac cycle?
A. Protodiastoie
B. Isovolumetric ventricular relaxation phase
C. Ventricular diastole proper
D. Last rapid filling phase due to atrial systole
Answer: C
_____________________________
142. Rupture of chordae tendineae:
A. Help the A-V valve to close
B. Prevent the bulging of A-V valve into the atria during contraction
C. Causes regurgination of blood into the atria during ventricular systole
D. Has no effect on haemodynamics of
circulation
Answer: C
_____________________________
143. True statement regarding diastasis is :
A. It occurs during the emptying phase of
ventricles
B. Slow filling of ventricles occur in the this
period
C. Third heart sound coincides with perod
D. A-V valve open at the beginning of this
period
Answer: B
_____________________________
144. Which of following is not recorded in ECG?
A. Atrial depolarization
B. Atrial repolarization
C. Ventricular depolarization
D. Ventricular repolarization
Answer: B
_____________________________
145. The duration of cardiac cycle in a normal
man is
A. 0.8 seconds
B. 80 seconds
C. 60 seconds
D. 72 seconds
Answer: A
_____________________________
146. Contraction of right ventricle pumps
blood into
A. Dorsal aorta
B. Pulmonary vein
C. Coronary artery
D. Pulmonary artery
Answer: D
_____________________________
147. Identify the correct sequence of events in
a cardiac cycle
A. Diastole,atrial,systole,ventricular diastole
B. Atrial systole,ventricular diastole, ventricular systole
C. Atrial systole,ventricular systole,joint
diastole
D. Ventricular diastole diastole, diastole, ventricular systole, atrial systole
Answer: C
_____________________________
148. The blood circulation, which starts and
ends into capillaries is
A. Portal circulation
B. Renal circulation
C. Hepatic circulation
D. Lymphatic circulation
Answer: A
_____________________________
149. Which one indicates the hypertension ?
A. 120/80 mmHg
B. 80/120 mmHg
C. 140/90 mmHg
D. 40/60 mmHg
Answer: C
_____________________________
No comments:
Post a Comment