Contractile force generated by cardiac myocytes is regulated by input from the autonomic nervous system. a) Describe the relative importance of the Parasympathetic and Sympathetic branches of the ANS. b) Force modulation and regulation of the rate of relaxation is accomplished by phosphorylation of 4 key proteins. Describe the steps leading to phosphorylation of these proteins. Name each of these proteins and describe the effects their phosphorylation has on cardiac function.
Contractile force generated by cardiac myocytes is regulated by input from the autonomic nervous system. a) Describe the relative importance of the Parasympathetic and Sympathetic branches of the ANS. b) Force modulation and regulation of the rate of relaxation is accomplished by phosphorylation of 4 key proteins. Describe the steps leading to phosphorylation of these proteins. Name each of these proteins and describe the effects their phosphorylation has on cardiac function.
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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Contractile force generated by cardiac myocytes is regulated by input from the autonomic nervous system. a) Describe the relative importance of the Parasympathetic and Sympathetic branches of the ANS. b) Force modulation and regulation of the rate of relaxation is accomplished by phosphorylation of 4 key proteins. Describe the steps leading to phosphorylation of these proteins. Name each of these proteins and describe the effects their phosphorylation has on cardiac function.
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