Question

The opening of right atrium into right ventricle of human heart is guarded by

• A. mitral valve
• B. pulmonary semilunar valves
• C. tricuspid valve
• D. bicuspid valve

Answer 1

The correct option is B

pulmonary semilunar valves

Right atrium:

It is one of the four chambers of the heart which receives deoxygenated blood from the body.

Left ventricle:

1. It is the thickest chamber of the human heart.
2. It supplies oxygenated blood to the body.

Correct Answer B:

1. The pulmonary semilunar valve is a valve that is located in the heart between the right atrium and ventricle.
2. The opening of the right atrium into the right ventricle is guarded by this.

Option A:

1. The bicuspid valve is also known as the mitral valve
2. It is present between the left atrium and left ventricle and allows the unidirectional flow of the body to the left ventricle.

Option C:

1. The tricuspid valve is located between the right atrium and the left ventricle.
2. It also allows the unidirectional flow of blood from right atrium to right ventricle.

Option D:

The bicuspid valve is also known as the mitral valve.