Multiple Choice
The first heart sound is the closing of the
A) pulmonary semilunar and aortic semilunar valves
B) tricuspid and mitral valves
C) mitral and bicuspid valves
D) tricuspid and pulmonary semilunar valves
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q69: Normal average diastolic pressure is about 120
Q70: The cardiac cycle consists of both systole
Q71: The correct sequence for the conducting system
Q72: Beginning at the superior vena cava and
Q73: The outermost layer of an artery or
Q75: The superior vena cava carries<br>A) oxygen-rich blood
Q76: The mitral valve,the bicuspid valve,and the left
Q77: As the viscosity level of the blood<br>A)
Q78: Identify the order in which a drop
Q79: Identify the order in which a drop