Multiple Choice
Which valve is closed during heart relaxation to prevent blood from backflowing from the aorta into the heart?
A) bicuspid (mitral) valve
B) tricuspid valve
C) pulmonary semilunar valve
D) aortic semilunar valve
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q24: Which of the following increases heart rate?<br>A)
Q25: What organs are served by the renal
Q26: Which vein returns blood to the femoral
Q27: The brachial vein _.<br>A) drains blood from
Q28: Which vessels return oxygenated blood to the
Q30: Match the following:<br>-Venules drain these tiny beds
Q31: What large blood vessels carry blood away
Q32: Cardiac output is the product of which
Q33: The path of blood flow within the
Q34: The partition where the bundle branches are