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Q. No.Consider the given two statements
Assertion (A):
SA node induces excitatory impulses, when blood is poured by pulmonary veins in the left ventricle.
Reason (R):
SA node is self excitatory.
1.
Both (A) and (R) are True and (R) correctly explains (A)
2.
Both (A) and (R) are True but (R) does not correctly explains (A)
3.
(A) is False but (R) is True
4.
Both (A) and (R) are False
Subtopic: Human Heart: Cardiac Cycle |
57%
Level 3: 35%-60%
Hints
| Assertion (A): | ECG is a graphical representation of the electrical activity of heart during cardiac cycle. |
| Reason (R): | To obtain a standard ECG, patient is connected with two leads, one with left wrist and one with ankle. |
| 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: ECG & Coronary Artery Disease |
82%
Level 1: 80%+
Hints
| Assertion (A): | We can determine heart beat by our pulse on wrist. |
| Reason (R): | Systole causes contraction in wrist vessels and diastole causes relaxation. |
| 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 |
69%
Level 2: 60%+
Hints
| Assertion (A): | Human heart is myogenic. |
| Reason (R): | Entire human heart is made up of a cardiac muscles. |
| 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: Gross Anatomy |
62%
Level 2: 60%+
Hints
| Assertion (A): | The 'T-wave' represents return to the ventricle from excited to normal state. |
| Reason (R): | The end of 'T-wave' marks the end of diastole. |
| 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: ECG & Coronary Artery Disease |
61%
Level 2: 60%+
Hints
| Assertion (A): | Lymph consists of WBCs, plasma proteins and RBCs. |
| Reason: (R): | Lymph lack cells. |
| 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: Lymph |
79%
Level 2: 60%+
Hints
| Assertion (A): | The flow of blood in closed circulatory system is slower than in open circuatory system. |
| Reason (R): | Blood pressure is lower in closed circulatory system. |
| 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: Double Circulation |
73%
Level 2: 60%+
Hints
| Assertion (A): | The mixing of oxygenated and deoxygenated blood does not occur in mammalian heart. |
| Reason (R): | Within the heart blood flows in one direction only. |
| 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: Double Circulation |
Level 3: 35%-60%
Hints
| Assertion (A): | The enlargement of Q and R waves indicates heart attack. |
| Reason (R): | If any deviation in normal ECG occurs, it indicates some abnormality. |
| 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: ECG & Coronary Artery Disease |
58%
Level 3: 35%-60%
Hints
| Assertion (A): | Foetal heart contains mixed blood. |
| Reason (R): | In foetus, pure blood gets mixed with impure blood through the foramen ovale present in the interatrial septum. |
| 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: Human Heart: Gross Anatomy |
Level 4: Below 35%
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