Blood is ejected into the systemic circulation during
A) Atrial diastole
B) Atrial systole
C) Ventricular diastole
D) Ventricular systole
E) The QRS complex
Correct Answer:
Verified
Q2: The SA node
A) Directly excites ventricular muscle
B)
Q3: Contraction of the left ventricle
A) Occurs at
Q4: The aortic valve opens
A) W hen right
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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