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Q. No.When the heart muscle is suddenly damaged by an inadequate blood supply, the condition is called as
1.
Heart Attack
2.
Heart Failure
3.
Cardiac Arrest
4.
Angina pectoris
Subtopic: ECG & Coronary Artery Disease |
80%
From NCERT
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What is the difference between a heart attack and heart failure?
| 1. | A heart attack is a chronic condition where the heart is unable to pump sufficiently; heart failure is an acute event caused by blockage. |
| 2. | A heart attack results from the blockage of coronary arteries; heart failure is a condition where the heart can't pump blood effectively. |
| 3. | Heart failure is always caused by a heart attack. |
| 4. | Heart attacks and heart failures are different terms for the same condition. |
Subtopic: ECG & Coronary Artery Disease |
86%
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Consider the given two statements:
| Assertion (A): | The human heart is myogenic. |
| Reason (R): | Heartbeat is initiated by a group of specialized cardiac muscle cells known as the sinoatrial node. |
| 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 |
69%
From NCERT
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How many of the following statements about the human heart are correct?
1. One
2. Two
3. Three
4. Four
| I: | The tricuspid valve is present between the left atrium and left ventricle. |
| II: | Purkinje fibers help in conducting the cardiac impulse to the myocardium of ventricles. |
| III: | The sinoatrial node acts as the pacemaker of the heart. |
| IV: | Atrial contraction increases the ventricular filling. |
2. Two
3. Three
4. Four
Subtopic: Human Heart: Gross Anatomy |
81%
From NCERT
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Consider the given two statements:
| Assertion (A): | Blood pressure in the arteries is pulsatile. |
| Reason (R): | This is due to the rhythmic pumping action of the heart. |
| 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: Cardiac Cycle |
94%
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How many of the given statements are true?
| I: | All vertebrates possess a muscular chambered heart. |
| II: | Fishes have a 2-chambered heart with an atrium and a ventricle. |
| III: | All amphibians and all reptiles have a 3-chambered heart. |
| 1. | 0 | 2. | 1 |
| 3. | 2 | 4. | 3 |
Subtopic: Circulatory Pathways |
81%
From NCERT
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Which chamber of the human heart receives the oxygenated blood first?
| 1. | Left ventricle | 2. | Left atrium |
| 3. | Right atrium | 4. | Right ventricle |
Subtopic: Human Heart: Double Circulation |
86%
From NCERT
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How many of the given statements are true?
1. 0
2. 1
3. 2
4. 3
| I: | The interstitial fluid or tissue fluid has the same mineral distribution as that in plasma. |
| II: | Exchange of nutrients, gases, etc., between the blood and the cells always occur through this fluid. |
| III: | The lymphatic system collects this fluid and drains it back to the major veins. |
1. 0
2. 1
3. 2
4. 3
Subtopic: Lymph |
79%
From NCERT
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Consider the given two statements:
| Assertion (A): | Open circulatory system is considered to be more advantageous than the closed circulatory system. |
| Reason (R): | The flow of fluid can be more precisely regulated in open circulatory system than 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: Circulatory Pathways |
96%
From NCERT
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The atrium and the ventricle of the same side are also separated by:
1. Atrioventricular valves
2. Tricuspid valve
3. Bicuspid valve
4. Atrioventricular septum
1. Atrioventricular valves
2. Tricuspid valve
3. Bicuspid valve
4. Atrioventricular septum
Subtopic: Human Heart: Gross Anatomy |
82%
From NCERT
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