Q. No.The human heart is derived from embryonic:
| 1. | Ectoderm | 2. | Mesoderm |
| 3. | Endoderm | 4. | All three germ layers |
Subtopic: Human Heart: Gross Anatomy |
91%
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The human heart:
| 1. | is derived from embryonic endoderm. |
| 2. | is situated in the thoracic cavity, in between the two lungs. |
| 3. | has the size and shape of a baseball. |
| 4. | is protected by a single walled membranous bag, pericardium. |
Subtopic: Human Heart: Gross Anatomy | Human Heart: Double Circulation |
93%
From NCERT
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Inter-atrial septum in the human heart is:
| 1. | a thin muscular wall | 2. | a thick muscular wall |
| 3. | a thin membranous wall | 4. | a thick membranous wall |
Subtopic: Human Heart: Gross Anatomy |
78%
From NCERT
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Subtopic: Human Heart: Gross Anatomy |
88%
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What separates the atria from the ventricles so that the atrial impulse does not spill onto the ventricles?
| 1. | fibrous skeleton | 2. | AV bundle |
| 3. | visceral pericardium | 4. | Purkinje fibers |
Subtopic: Human Heart: Gross Anatomy |
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The location of the human heart is most accurately described as:
| 1. | mediastinum of the lungs. |
| 2. | mediastinum of the pericardium. |
| 3. | mediastinum, which is located in the thoracic cavity. |
| 4. | thoracic cavity, which is located in the mediastinum. |
Subtopic: Human Heart: Gross Anatomy |
65%
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Consider the given two statements:
| Assertion(A): | Blood flows through the human heart in a single, continuous circuit. |
| Reason(R): | The human heart has four chambers - two auricles and two ventricles. |
| 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 | Human Heart: Double Circulation |
85%
From NCERT
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Match the items given in Column I with those in Column II and select the correct option given below:
| Column I | Column II | ||
| a. | Tricuspid valve | (i) | Between left atrium and left ventricle |
| b. | Bicuspid valve | (ii) | Between right ventricle and pulmonary artery |
| c. | Semilunar valve | (iii) | Between right atrium and right ventricle |
| a | b | c | |
| 1. | iii | i | ii |
| 2. | i | iii | ii |
| 3. | i | ii | iii |
| 4. | ii | i | iii |
Subtopic: Human Heart: Gross Anatomy |
89%
From NCERT
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Consider the two statements:
1. Statement I is correct: Statement II is incorrect
2. Statement I is incorrect: Statement II is correct
3. Statement I is correct: Statement II is correct
4. Statement I is incorrect: Statement II is incorrect
| Statement I: | A muscular wall called a septum prevents the mixture of blood between the left and right sides of the heart. |
| Statement II: | The left ventricle has a thicker musculature when compared to the musculature of the right ventricle. |
1. Statement I is correct: Statement II is incorrect
2. Statement I is incorrect: Statement II is correct
3. Statement I is correct: Statement II is correct
4. Statement I is incorrect: Statement II is incorrect
Subtopic: Human Heart: Gross Anatomy | Human Heart: Cardiac Cycle | Circulatory Pathways |
77%
From NCERT
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Match each item in Column I with one in Column II and select the correct answer from the codes given:
| Column I | Column II | ||
| A. | Mitral valve | a. | Allows blood flow from left atrium to left ventricle |
| B. | Papillary muscles | b. | Does not allow back opening of AV valves during ventricular systole |
| C. | AV node | c. | Ensure all chambers do not contract simultaneously |
| D. | Fibrous band between atrial and ventricular muscle mass | d. | Ensures atria contract before ventricles |
Codes
| A | B | C | D | |
| 1. | a | b | c | d |
| 2. | b | a | c | d |
| 3. | b | a | d | c |
| 4. | a | b | d | c |
Subtopic: Human Heart: Gross Anatomy |
56%
From NCERT
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