Aerobic activity

Total peripheral resistance _____ during aerobic exercise, the result of ____ in active tissues.

• increases, vasoconstriction

• increases, vasodilation

• decreases, vasoconstriction

• decreases, vasodilation

The rise in muscle blood flow observed during exercise is commonly referred to as exercise hyperemia.

• True

• False

_____ controls which capillaries are perfused.

• Terminal arterioles

• Terminal venules

• Proximal arterioles

• Distal venules

What vasoactive substances have been linked to exercise hyperemia.

• carbon dioxide, adenosine diphosphate, NO, acetylcholine

• hydrogen ions, oxygen, potassium, adenosine triphosphate, acetylcholine, NO

• hydrogen ions, oxygen, potassium, adenosine triphosphate, carbon monoxide

• oxygen, carbon dioxide, adenosine diphosphate, NO, acetylcholine

Conducted vasodilation, is vasodilation in proximal vessels that spreads distally through the vasculature.

• True

• False

____, the growth of new capillaries, also occurs in response to exercise training.

• Hyperlipidemia

• Fibrinolytic activity

• Atherosclerosis

• Angiogenesis

Which one between A and B represents pre-training?

• A

• B

Training increases levels of prostacyclin and ____ which ____ platelet aggregation.

• NO, enhance

• NO, inhibit

• CO, enhance

• CO, inhibit

Aerobic training decreases SV, both at rest and during exercise.

• True

• False

A larger, stronger heart contributes to a larger peak____.

• HR and SV

• SV and Q

• Q and HR