The volume of blood in the ventricles at the end of diastole is known as the
A) after-load.
B) pre-diastolic volume (PDV) .
C) stroke volume (SV) .
D) end-diastolic volume (EDV) .
Correct Answer:
Verified
Q1: The ejection fraction is
A)normally about 60% at
Q3: What is the resting cardiac rate for
Q4: Norepinephrine and epinephrine open _ channels inducing
Q5: Norepinephrine agonists would increase cardiac output.
Q6: The effect of acetylcholine binding to its
Q7: What keeps the HCN channels open?
A)G-proteins
B)cAMP
C)ATP
D)Ca2+
Q8: Sympathetic stimulation of the heart will
A)increase the
Q9: Norepinephrine is released from _ nerves,causing heart
Q10: Mechanisms that affect cardiac rate are said
Q11: Stroke volume is affected by all of
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