Body Fluids and Circulation

Which of the following statements is incorrect?

1. Fibrinogen is produced from fibrin
2. Blood coagulates in response to an injury
3. Blood clot consists of fibrins
4. Fibrin is produced from fibrinogen

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