ANATOMY

GENERAL ANATOMY

ANATOMY OF THE HEART

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The semi-lunar valves include:
A
The bicuspid and the tricuspid
B
The tricuspid and the aortic valve
C
The aortic valve and the bicuspid
D
The aortic valve and the pulmonary valve
Explanation: 

Detailed explanation-1: -The aortic and pulmonic valves are known as the semilunar valves, whereas the tricuspid and mitral valves are referred to as the atrioventricular valves. All the valves are trileaflet, with the exception of the mitral valve, which has 2 leaflets.

Detailed explanation-2: -The aortic and pulmonary valves are semilunar valves which separate the ventricles from the aorta and pulmonary artery, respectively.

Detailed explanation-3: -The semilunar valves (pulmonary valve and aortic valve) are one-way valves that separate the ventricles from major arteries. The aortic valve separates the left ventricle from the aorta, while the pulmonary valve separates the right ventricle from the pulmonary artery.

Detailed explanation-4: -The semilunar valves are half-moon-shaped leaflets of endocardium and connective tissues, situated between the aorta and the left ventricle and between the pulmonary artery and the right ventricle. These valves permit blood to be forced into the arteries, but prevent backflow from the arteries into the ventricles.

Detailed explanation-5: -tricuspid valve: located between the right atrium and the right ventricle. pulmonary valve: located between the right ventricle and the pulmonary artery. mitral valve: located between the left atrium and the left ventricle. aortic valve: located between the left ventricle and the aorta.

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