Multiple Choice
An incompetent aortic semilunar valve would allow blood to backflow from the ________.
A) right ventricle to the right atrium
B) left ventricle to the left atrium
C) aorta to the left ventricle
D) aorta to the left atrium
E) pulmonary trunk to the left ventricle
Correct Answer:

Verified
Correct Answer:
Verified
Q47: Exchanges between blood and tissue cells occur
Q48: Sustained elevated arterial blood pressure above 140/90
Q49: Which type of vessel is constructed only
Q50: Match the following:<br>-These vessels carry blood away
Q51: From innermost to outermost, the three layers
Q53: Match the following:<br>-The bicuspid (mitral) valve is
Q54: The three branches of the aortic arch
Q55: All four heart valves are briefly closed
Q56: Which term means heart contraction?<br>A) diastole<br>B) tachycardia<br>C)
Q57: Match the following:<br>-Due to low pressure in