Cusps of ________ resemble half-moon shape.

Tricuspid valve

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Semilunar valve

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Bicuspid valve

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Eustachian valve

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Solution

The correct option is A Semilunar valve
Semilunar valves are the structures that act as flexible obstacles to avoid blood flow between the large vessels (pulmonary trunk and aorta) and the heart ventricles; each valve consists of a sequence of endothelium-covered fibrous connective tissue plates ("cusps"); such flaps resemble semicircles ("half-moons").
So, the correct answer is option B.

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Similar questions

The second heart sound (dubb) is associated with the closure of ?
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(b) semilunar valve
(c) bicuspid valve
(d) tricuspid and bicuspid valve

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I. Ventricular systole
II. Blood reaches ventricles
III. A-V valves closes
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VII. Ventricular diastole

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Assertion [A]: Both the semilunar valves are thicker than the atrioventricular valves.

Reason [R]:These valves are subjected to greater pressure and have to be stronger than the AV valves.

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