Vhich of the following is an inaccurate description of autonomic innervation of the cardiovascular ystem? A) Both sympathetic and parasympathetic neurons innervate the SA and AV nodes. B) Only sympathetic neurons provide significant innervation of the contractile cells of the heart. C) Only sympathetic neurons innervate smooth muscle in veins. D) Sympathetic activity increases cardiac output, whereas parasympathetic activity decreases cardiac output. E) Both sympathetic and parasympathetic neurons innervate smooth muscle in arterioles.
Vhich of the following is an inaccurate description of autonomic innervation of the cardiovascular ystem? A) Both sympathetic and parasympathetic neurons innervate the SA and AV nodes. B) Only sympathetic neurons provide significant innervation of the contractile cells of the heart. C) Only sympathetic neurons innervate smooth muscle in veins. D) Sympathetic activity increases cardiac output, whereas parasympathetic activity decreases cardiac output. E) Both sympathetic and parasympathetic neurons innervate smooth muscle in arterioles.
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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Transcribed Image Text:Which of the following is an inaccurate description of autonomic innervation of the cardiovascular
system?
A) Both sympathetic and parasympathetic neurons innervate the SA and AV nodes.
B) Only sympathetic neurons provide significant innervation of the contractile cells of the heart.
C) Only sympathetic neurons innervate smooth muscle in veins.
D) Sympathetic activity increases cardiac output, whereas parasympathetic activity decreases
cardiac output.
E) Both sympathetic and parasympathetic neurons innervate smooth muscle in arterioles.
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