Consider the following events during a cardiac cycle:
I. Closure of the AV valves
II. Opening of the semilunar valves

These events occur during:

1. Atrial diastole

2. Atrial systole

3. Ventricular diastole

4. Ventricular systole

Which of the following statement is true?

1.  Cardiac output of an athlete is much lower than that of an ordinary man.

2.  In each minute a single cardiac cycle is performed.

3.  ECG are of no clinical diagnostic significance.

4.  Cardiac cycle includes Auricular systole, ventricular systole, and joint diastole/complete diastole.

When the heart suddenly stops beating, the condition is called as:

1. CAD

2. Heart failure

3. Cardiac arrest

4. Heart attack

When the plasma of a person has both anti A and anti B antibodies the blood group of this person would be:

1.  A

2.  B

3.  AB

4.  O

In ECG the ventricular contraction occurs

1.  Just after P wave and before Q wave.

2.  Just after Q wave but before T wave.

3.  In between S-T segment.

4.  After the end of T wave.

A person can receive blood only from a donor of his/her blood group if the blood group of this person is:

1. O

2. AB

3. A or B

4. A, B, AB or O

During a cardiac cycle:
1. About 70 ml of blood is pumped by the two ventricles
2. The left atrium and the left ventricle contract simultaneously
3. More blood is pumped into the systemic than in pulmonary circulation
4. The atria contract prior to the ventricles

Erythroblastosis fetalis can be prevented during a second pregnancy in a Rh negative mother who is likely to carry a Rh positive fetus by:

When the heart beats, the familiar lub-dup
sound occurs as the valves of the heart _____.

1. open

2. close

3. expand

4. contract

Which of the following statements is not correct about
ECG?

1. P wave represents atrial depolarisation.

2. QRS wave initiates ventricular contraction.

3. The end of T wave marks the end of ventricular
systole.

4. Q wave marks the beginning of atrial systole.