1) Cardiac output increases during exercise due to an increasein both heart rate and stroke volume. Which of the followingcontribute to this increase in stroke volume? (Select all thatapply).
a) Constriction of veins by the sympathetic nervous system
b) The increase in heart rate directly increases fillingtime
c) Increased stretching of the cardiac myocytes due to increasedEDV
d) Increased sympathetic stimulation of the ventricles
e) Withdrawn (decreased) parasympathetic stimulation of theventricles
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2) Which parameter is primarily responsible for the differencesin MAP observed between dynamic and static exercise?
