12
MCQ (Single Correct Answer)
Which of the following correctly explains a phase/event in cardiac cycle in a standard electrocardiogram?
A
QRS complex indicates atrial contraction.
B
QRS complex indicates ventricular contraction.
C
Time between S and T represents atrial systole.
D
P-wave indicates beginning of ventricular contraction.
13
MCQ (Single Correct Answer)
Which of the following statements is incorrect?
A
A person of ' O ' blood group has anti ' A ' and anti ' B ' antibodies in his blood plasma.
B
A person of ' B ' blood group can't donate blood to a person of ' A ' blood group.
C
Blood group is designated on the basis of the presence of antibodies in the blood plasma.
D
A person of AB blood group is universal recipient.
14
MCQ (Single Correct Answer)
What would be the cardiac output of a person having 72 heart beats per minute and a stroke volume of 50 mL ?
A
360 mL
B
3600 mL
C
7200 mL
D
5000 mL
15
MCQ (Single Correct Answer)
Match the following columns.
| Column I | Column II | ||
|---|---|---|---|
| A. | Lymphatic system | 1. | Carries oxygenated blood |
| B. | Pulmonary vein | 2. | Immune response |
| C. | Thrombocytes | 3. | To drain back the tissue fluid to the circulatory system |
| D. | Lymphocytes | 4. | Coagulation of blood |
A
A - 2, B - 1, C - 3, D - 4
B
A - 3, B - 1, C - 4, D - 2
C
A - 3, B - 1, C - 2, D - 4
D
A - 2, B - 1, C - 3, D - 4
16
MCQ (Single Correct Answer)
Read the following statements and choose the correct option.
Statement I Atria receive blood from all parts of the body which subsequently flows to ventricles.
Statement II Action potential generated at sino-atrial node passes from atria to ventricles.
A
Action mentioned is statement I is dependent on action mentioned in Statement II
B
Action mentioned in statement II is dependent on action mentioned in Statement I
C
Action mentioned in statement I and II are independent of each other.
D
Action mentioned in statement I and II are synchronous.