- 1(current)
Q. No.Which among the following is correct during each cardiac cycle?
1. The volume of blood pumped by right and left ventricles is same
2. The volume of blood pumped by right and left ventricles is different
3. The volume of blood received by right and left atria is different
4. The volume of blood received by pulmonary arteries and aorta is different
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Identify the incorrectly matched pair:
1. Average duration of a cardiac cycle: 0.8 sec
2. Stroke volume of each ventricle: 120 ml
3. Highest normal systolic blood pressure: 140 mm Hg
4. Highest normal diastolic blood pressure: 90 mm Hg
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The sinoatrial node is the normal pacemaker of the human heart because it:
1. can form action potentials that can spread throughout the rest of the heart
2. depolarizes to its threshold potential before other pacemakers in the heart
3. is located in the top of right atrial wall
4. is most likely to form an ectopic focus
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Pulmonary veins return the oxygenated blood from the lungs to:
| 1. right atrium | 2. left atrium |
| 3. right ventricle | 4. left ventricle |
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The innermost layer of blood vessel walls made up of one layer of endothelium and in direct contact with the blood is:
| 1. tunica adventitia | 2. tunica intima |
| 3. tunica media | 4. tunica muscularis |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
- 1(current)
Q. No.
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