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Tricuspid valves are found in...

Tricuspid valves are found in

A

all mammals

B

all vertebrates

C

prototheriam

D

All of these

Text Solution

Verified by Experts

The correct Answer is:
D
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Draw labelled diagram of internal structure of human heart. Label right atrium, mitral valve, left ventricle and pulmonary semilunar valve. Write a function of Eustachian and tricuspid valve found in human heart.

What will happen during the ventricular systole? a. Bicuspid and tricuspid valves are open b. Bicuspid and tricuspid valves are closed (c ). Semilunar valves are open d. Semilunar valves are close

Which is correct about joint diastole? a. Bicuspid and tricuspid valves are open b. Bicuspid and tricuspid valves are closed c. Semilunar valves are open d. Semilunar valves are closed

Assertion : In joint diastole, all the four chamber of heart are in relaxed state. Reason : The tricuspid and bicuspid valves are open and semilunar valves are closed at this stage.

Which of the following statement is CORRECT ? I. Heart, the mesodermally derived organ, is situated in the thoracic cavity, in between the two lungs , slightly tilted to the left. II. During joint diastole , tricuspid and bicuspid valves are open and the semilunar values are closed. III. The first heart sound (lub) is associated with the closure of the tricuspid and biscuspid valves whereas the second heart sound (dub) is associated with the closure of the semilunar valves . IV. Neural signals through the sympathetic nerves can increases the rate of hearbeat, the strength of ventricular contraction and thereby the cardiac output.

In the human heart, backward flow of oxygenated blood is prevented by (A) Bicuspid valve and tricuspid valve (B) Tricuspid valve and semilunar valves (C) Bicuspid valve and semilunar valves (D) Semilunar valves and eustachian valve