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CSS :: Circulatory System Physiology


1.  Heart shows rhythmic contractions and expansions withour pause and fatigue which may be defined as
A. Circulation in the heart B. Heart beat
C. Both (a) & (b) D. None of these

2.  The contraction of the heart during heartbeat is known as:
A. Systole B. Diastole
C. Diastasis D. None of these

3.  The relaxation of heart during heart beat is called:
A. Systole B. Diastole
C. Diastasis D. None of these

4.  Cardiac cycle in frog is completed in:
A. 0.74 seconds B. 0.84 seconds
C. 0.94 seconds D. 1.4 seconds

5.  How many times dose the heart of frog beat per minute:
A. 54 times B. 64 times
C. 72 times D. 84 times

6.  How many times does the heat of man beats per minute
A. 52 times B. 62 times
C. 72 times D. 82 times

7.  Time taken to complete a cardiac cycle in man is:
A. 0.73 second B. 0.83 seconds
C. 0.94 seconds D. None of these

8.  Which of these is time taken respectively in contraction and relaxation of atria in man?
A. 0.1 second and 0.7 second B. 0.3 second and 0.5 second
C. 0.2 second and 0.6 second D. 0.4 second and 0.4 second

9.  Time taken respectively in contraction and relaxation of ventricles is:
A. 0.3 second and 0.5 second B. 0.2 second and 0.6 second
C. 0.1 second and 0.7 second D. 0.5 second and 0.3 second

10.  During average span of 50 years of life, the human heart beats about for:
A. Two bullion time B. Twenty bullion time
C. Ten bullion time D. Fifty bullion time




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