Body Fluids and Circulation · Question 3

The number of action potentials generated by sino-atrial node (SAN) in a healthy human is per minute.

1. 120–140
2. 28–30
3. 70–75
4. 100–110

The opening between the right atrium and the right ventricle is guarded by .

1. sino-atrial node
2. bicuspid valve
3. tricuspid valve
4. semilunar valve

Cardiac activities of the heart are regulated by: Choose the correct answer from the options given below :

1. A, C and D Only
2. A, B and D Only
3. A, B and C Only
4. A, B, C and D

Following are the stages of pathway for conduction of an action potential through the heart Choose the correct sequence of pathway from the options given below

1. E-C-A-D-B
2. A-E-C-B-D
3. B-D-E-C-A
4. E-A-D-B-C

Match List I with List II : Choose the correct answer from the options given below :

1. A-I, B-III, C-IV, D-II
2. A-III, B-II, C-IV, D-I
3. A-II, B-III, C-I, D-IV
4. A-IV, B-II, C-I, D-III

A person with blood group ARh- can receive the blood transfusion from which of the following types? Choose the correct answer from the options given below :

1. D and E only
2. D only
3. A and B only
4. C and D only

'Lub' sound of Heart is caused by the .

1. closure of the semilunar valves
2. opening of tricuspid and bicuspid valves
3. opening of the semilunar valves
4. closure of the tricuspid and bicuspid valves

Match List I with List II. Choose the correct answer from the options given below :

1. A-IV, B-III, C-II, D-I
2. A-II, B-IV, C-I, D-III
3. A-I, B-II, C-III, D-IV
4. A-III, B-I, C-IV, D-II

Which of the following statements are correct? Choose the correct answer from the options given below:

1. C and E only
2. B and C only
3. A and B only
4. D and E only

Given below are two statements: In the light of the above statements, choose the most appropriate answer from the options given below:

1. Both Statement I and Statement II are correct
2. Both Statement I and Statement II are incorrect
3. Statement I is correct but Statement II is incorrect
4. Statement I is incorrect but Statement II is correct