Select the best answer or answers from the choices given: A smooth, sustained contraction resulting from very rapid stimulation of the muscle, in which no evidence of relaxation is seen, is called (a) a twitch, (b) wave summation, (c) multiple motor unit summation, (d) fused tetanus.
Select the best answer or answers from the choices given: A smooth, sustained contraction resulting from very rapid stimulation of the muscle, in which no evidence of relaxation is seen, is called (a) a twitch, (b) wave summation, (c) multiple motor unit summation, (d) fused tetanus.
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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Select the best answer or answers from the choices given: A smooth, sustained contraction resulting from very rapid stimulation of the muscle, in which no evidence of relaxation is seen, is called (a) a twitch, (b) wave summation, (c) multiple motor unit summation, (d) fused tetanus.
Expert Solution
Step 1
Muscles are the largest delicate tissues of the musculoskeletal framework. Muscle is inferred from the latin word “musculus” meaning “little mouse”. The muscle cell, muscle fiber, contains protein fibers of actin and myosin that slide past one another, creating contractions that move body parts, including inner organs. Muscle tissue has four fundamental properties:
- Excitability - ability to respond to stimuli
- Contractibility - ability to contract
- Extensibility - ability of a muscle to be stretched without tearing
- Elasticity - ability to return to its normal shape.
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