- 1(current)
Q. No.Match List-I with List-II:
Choose the correct answer from the options given below:
1. A-III, B-IV, C-II, D-I
2. A-II, B-I, C-IV, D-III
3. A-III, B-IV, C-I, D-II
4. A-I, B-IV, C-II, D-III
| List I | List II | ||
| A. | Tricuspid valves | I. | Guards the opening between right atrium and right ventricle |
| B. | Sino-atrial node | II. | Guards the opening between the left atrium and the left ventricle |
| C. | Mitral valves | III. | Guards the opening of right and left ventricles into pulmonary artery and aorta, respectively |
| D. | Semilunar valves | IV. | Cardiac musculature in the right upper corner of right atrium |
1. A-III, B-IV, C-II, D-I
2. A-II, B-I, C-IV, D-III
3. A-III, B-IV, C-I, D-II
4. A-I, B-IV, C-II, D-III
Subtopic: Human Heart: Gross Anatomy | Human Heart: Cardiac Cycle | Circulatory Pathways |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAll the components of the nodal tissue are autoexcitable. Why does the SA node act as the normal pacemaker?
| 1. | SA node has the lowest rate of depolarisation |
| 2. | SA node is the only component to generate the threshold potential. |
| 3. | Only SA node can convey the action potential to the other |
| 4. | SA node has the highest rate of depolarisation. |
NEET - 2019
Subtopic: Human Heart: Gross Anatomy |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology- 1(current)
Q. No.
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