ACSM 030-444 Dumps PDF Free Download - Page: 9

An increase in both systolic and diastolic blood pressure at rest and during exercise often accompanies aging. Blood pressure usually increases because of

Increased arterial compliance and decreased arterial stiffness.
Decreased arterial compliance and increased arterial stiffness.
Decrease in both arterial compliance and arterial stiffness.
Increase in both arterial compliance and arterial stiffness.

Answer(s): B

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QUESTION: 71

The remains relatively unchanged throughout childhood. However, after age 25, it typically decreases by

0% to 5% each decade.
5% to 15% each decade.
15% to 20% each decade.
15% to 20% each year.

Answer(s): B

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QUESTION: 72

Cardiac output is a function of heart rate and stroke volume. In children, why is heart rate higher at rest and during exercise?

Because in children, stroke volume is directly related to how much left ventricular stiffness reduces diastolic filling.
Because in children, cardiac output is regulated more by peripheral resistance than Vo2max by any other variable.
Because children typically have a lower stroke volume compared to adults.
Because children typically have a more elevated peripheral resistance compared to adults.

Answer(s): C

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