2. During exercise, an increase in sympathetic nervous system activity leads to constriction in most vascular beds. This does not happen in the contracting (active) skeletal muscle, due to the effect of locally produced metabolites. What would be the consequence to the cardiovascular system if vasoconstriction did occur in the active muscle? a) there would be a decrease in total peripheral resistance b) there would be an increase in total peripheral resistance c) there would be a dangerous decrease in mean arterial pressure d) there would be no change in mean arterial pressure since arteries are distensible
2. During exercise, an increase in sympathetic nervous system activity leads to constriction in most vascular beds. This does not happen in the contracting (active) skeletal muscle, due to the effect of locally produced metabolites. What would be the consequence to the cardiovascular system if vasoconstriction did occur in the active muscle? a) there would be a decrease in total peripheral resistance b) there would be an increase in total peripheral resistance c) there would be a dangerous decrease in mean arterial pressure d) there would be no change in mean arterial pressure since arteries are distensible
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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