PATHOLOGY

PATHOLOGY MCQ

HEART

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A flap of tissue that prevents blood from flowing backwards is called?
A
Aorta
B
Atrium
C
Septum
D
Valve
Explanation: 

Detailed explanation-1: -Aortic valve: Allows blood to pass from the left ventricle to the aorta; prevents backflow of blood into the left ventricle.

Detailed explanation-2: -A healthy heart transports blood in a predictable route through four chambers. The four chambers are the left and right atria on the top of your heart and the left and right ventricles on the bottom. Between chambers, there are valves, which are made of thin but strong flaps of tissue. They’re called leaflets or cusps.

Detailed explanation-3: -Tissue (biological or bioprosthetic) valves are usually made from pig or cow tissue, or sometimes from human tissue (in which case they may be called homograft valves), that has been treated to make sure it is not rejected by the body. They are built to create a valve’s exact mechanical properties.

Detailed explanation-4: -The heart has four valves. The mitral valve, the tricuspid valve, the pulmonary valve and the aortic valve. The mitral and the tricuspid valves, also known as the atrioventricular valves, are located between the top chambers of the heart, the atria, and the lower chambers of the heart, the ventricles.

There is 1 question to complete.