Multiple Choice
The aortic valve opens
A) W hen right ventricular pressure exceeds aortic pressure
B) At the end of isovolumetric contraction of the left ventricle
C) W hen left atrial pressure exceeds left ventricular pressure
D) W hen right atrial pressure exceeds right ventricular pressure
E) At the beginning of atrial systole
Correct Answer:
Verified
Correct Answer:
Verified
Q1: Isovolumetric contraction of the left ventricle ends<br>A)
Q2: The tough fibrous sac that encases the
Q3: The function of the papillary muscles is
Q5: Contraction of the left ventricle<br>A) Occurs at
Q6: The ejection fraction is<br>A) End diastolic volume
Q7: In the aorta with a given radius,
Q8: Blood in the left atria<br>A) Enters the
Q9: The aortic pressure exceeds the pulm onary
Q10: The cause of the second heart sound
Q11: The cause of the first heart sound