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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyList 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 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPrefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. | Increased ventricular pressure causes closing of the semilunar valves. |
2. | The atrio-ventricular node (AVN) generates an action potential to stimulate atrial contraction. |
3. | The tricuspid and the bicuspid valves open due to the pressure exerted by the simultaneous contraction of the atria. |
4. | Blood moves freely from atrium to the ventricle during joint diastole. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhat would be the heart rate of a person if the cardiac output is 5L, blood volume in the ventricles at the end of diastole is 100 mL and at the end of ventricular systole is 50 mL?
1. 125 beats per minute
2. 50 beats per minute
3. 75 beats per minute
4. 100 beats per minute
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyDoctors use a stethoscope to hear the sounds produced during each cardiac cycle. The second sound is heard when:
1. | AV valves open up |
2. | Ventricular walls vibrate due to the gushing of blood from the atria |
3. | Semi-lunar valves close down after the blood flows into vessels from the ventricles |
4. | AV node receives a signal from SA node |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology