Which of these statements concerning aging and skeletal muscle iscorrect?a. A loss of muscle fibers occurs with aging.b. Slow-twitch muscle fibers decrease in number faster than fast-twitchmuscle fibers.c. The loss of strength and speed is due mainly to loss of neuromuscular junctions.d. The density of capillaries in skeletal muscle increases.e. The number of motor neurons remains constant.
Which of these statements concerning aging and skeletal muscle iscorrect?a. A loss of muscle fibers occurs with aging.b. Slow-twitch muscle fibers decrease in number faster than fast-twitchmuscle fibers.c. The loss of strength and speed is due mainly to loss of neuromuscular junctions.d. The density of capillaries in skeletal muscle increases.e. The number of motor neurons remains constant.
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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Question
Which of these statements concerning aging and skeletal muscle is
correct?
a. A loss of muscle fibers occurs with aging.
b. Slow-twitch muscle fibers decrease in number faster than fast-twitch
muscle fibers.
c. The loss of strength and speed is due mainly to loss of neuromuscular junctions.
d. The density of capillaries in skeletal muscle increases.
e. The number of motor neurons remains constant.
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