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
Q1: Blood is ejected into the systemic circulation
Q2: The SA node
A) Directly excites ventricular muscle
B)
Q3: Contraction of the left ventricle
A) Occurs at
Q5: The function of the papillary muscles is
Q6: The ejection fraction is
A) End diastolic volume
Q7: The aortic pressure exceeds the pulm onary
Q8: Blood in the left atria
A) Enters the
Q9: Blood in the vena cavae
A) Enters the
Q10: Blood in the left ventricle exits the
Q11: The heart is
A) Bilaterally symmetric and located
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