Question

During the systole phase of the cardiac cycle, the left ventricle contracts and blood is pumped into the aorta. Which of these valves prevents a backflow of blood into the left atrium?
A. aortic valve
B. tricuspid valve
C. mitral valve

Answer 1

MITRAL VALVE

Location: Between the left atrium and left ventricle

Function: Prevents backflow of blood to the left atrium when the left ventricle contracts

Answer 2

The correct answer is C. MITRAL VALVE