There are many different effects of aerobic (dynamic exercise) on many different parts of the cardiovascular...

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Medical Sciences

There are many different effects of aerobic (dynamic exercise)on many different parts of the cardiovascular system. The followingactivity covers the majority of these changes.
Which of the following statements are true in reguard to asingle session of incremental aerobic exercise? You will selectnumerous correct answers.
[mark all correct answers]
a. EDV is increased
b. Contractility is increased
c. liver blood flow increases for coricycle
d. Heart receives a greater absolute amount ofblood
e. sympathetic stimulation causes constrictionof most vessels
f. A-V O2 difference decreases
g. Sympathetic nervous system activityincreases
h. total vascular resistance decreases
i. Arterioles supplying skeletal musclesdilate
j. blood volume increases
k. blood viscosity increases
l. systolic blood pressure increases
m. more capillaries in skeletal muscle arerecruited/opened
n. Brain receives a large increase in bloodflow
o. Afterload is decreased

Answer & Explanation Solved by verified expert

4.3 Ratings (950 Votes)

A True EDV increasean increase in venous return to the heart increases the filled volume EDV B True contractility increases C true D True Sympathetic activity is increased at the onset of exercise to enhance cardiac output while maintaining blood pressure and redistributing blood flow to accommodate the enhanced oxygen demand of the working muscles E True sympathetic stimulating See Answer

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