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Q. No.
Assertion (A):
Although rare, but runners and athletes can suffer heart failure if they stop vigorous exercise abruptly.
Reason (R):
To reduce the risk athletes are encouraged to follow hard exercise with moderate activity such as walking.
1.
Both (A) and (R) are True and (R) is the correct explanation of the (A).
2.
Both (A) and (R) are True but (R) is not the correct explanation of (A).
3.
(A) is True but (R) is False.
4.
Both (A) and (R) are False.
Subtopic: Human Heart: Cardiac Cycle |
Level 3: 35%-60%
| Assertion: | Sudden emotional stress at the sight of blood may lead to syncope [fainting] in some individuals. |
| Reason: | Due to sudden stress, simultaneous enhancement of parasympathetic nervous system (vagal) tone and withdrawal of sympathetic nervous system tone may occur. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | (A) is false but (R) is true. |
Subtopic: Regulation of Cardiac Activity |
73%
Level 2: 60%+
| Assertion (A): | Coronary arteries are especially vulnerable to obstruction by atherosclerotic plaques or thrombus. |
| Reason (R): | Coronary arteries supply oxygenated blood to the muscles of the heart itself. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | Both (A) and (R) are False. |
Subtopic: Atherosclerosis, Hypertension & Ventricular Fibrillation |
61%
Level 2: 60%+
| Assertion: | Veins under skin appear blue in color. |
| Reason: | All veins carry deoxygenated blood. |
| 1. | Both assertion and reason are true and the reason is the correct explanation of the assertion. |
| 2. | Both assertion and reason are true but the reason is not the correct explanation of the assertion. |
| 3. | Assertion is true but reason is false. |
| 4. | Both assertion and reason are false. |
Subtopic: Human Heart: Double Circulation |
65%
Level 2: 60%+
Assertion: Veins are also called "capacitance vessels".
Reason: Most veins have valves to prevent backflow of blood.
| 1. | Both assertion and reason are true and the reason is the correct explanation of the assertion. |
| 2. | Both assertion and reason are true but the reason is not the correct explanation of the assertion. |
| 3. | Assertion is true but reason is false. |
| 4. | Both assertion and reason are false. |
Subtopic: Human Heart: Double Circulation |
50%
Level 3: 35%-60%
| Assertion (A): | Prolonged aerobic exercise training may also increase stroke volume, which frequently results in a lower (resting) heart rate. |
| Reason (R): | Reduced heart rate prolongs ventricular diastole (filling), increasing end-diastolic volume, and ultimately allowing more blood to be ejected. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | Both (A) and (R) are False. |
Subtopic: Human Heart: Cardiac Cycle |
52%
Level 3: 35%-60%
Given below are two statements:
| Assertion (A): | In patients of liver failure the risk of bleeding is increased. |
| Reason (R): | Liver synthesizes most of the clotting factors and activates Vitamin K. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Blood: Blood Clotting |
79%
Level 2: 60%+
| Assertion: | ABO blood group incompatibilities between the mother and child do not usually cause hemolytic disease of the newborn. |
| Reason: |
Females do not make antibodies against A and B antigens. |
| 1. | Both assertion and reason are true and the reason is the correct explanation of the assertion. |
| 2. | Both assertion and reason are true but the reason is not the correct explanation of the assertion. |
| 3. | Assertion is true but reason is false. |
| 4. | Both assertion and reason are false. |
Subtopic: Blood: Blood Group |
Level 3: 35%-60%
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| Assertion (A): | No virus can evolve to target human red blood cells. |
| Reason (R): | The human red blood cells are unable to carry out protein synthesis. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | Both (A) and (R) are False. |
Subtopic: Blood: General Description & RBC |
53%
Level 3: 35%-60%
Given below are two statements:
| Assertion (A): | The lack of mitochondria decreases the efficiency of oxygen transport by the red blood cells to the tissues. |
| Reason (R): | Red blood cells are unable to make ATP of their own. |
| 1. | Both assertion and reason are true and the reason is the correct explanation of the assertion. |
| 2. | Both assertion and reason are true but the reason is not the correct explanation of the assertion. |
| 3. | Assertion is true but reason is false. |
| 4. | Both assertion and reason are false. |
Subtopic: Blood: General Description & RBC |
50%
Level 3: 35%-60%
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