A) Assuming that each individual muscle fiber generates the same amount of tension, which of the following skeletal muscles will produce the greatest amount of overall tension when fully stimulated? Muscle Total Number of Muscle Fibers in Muscle A 150 B 1000 C 600 Group of answer choices Muscle A Muscle B Muscle C
A) Assuming that each individual muscle fiber generates the same amount of tension, which of the following skeletal muscles will produce the greatest amount of overall tension when fully stimulated? Muscle Total Number of Muscle Fibers in Muscle A 150 B 1000 C 600 Group of answer choices Muscle A Muscle B Muscle C
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
A) Assuming that each individual muscle fiber generates the same amount of tension, which of the following skeletal muscles will produce the greatest amount of overall tension when fully stimulated?
|
Muscle |
Total Number of Muscle Fibers in Muscle |
|
A |
150 |
|
B |
1000 |
|
C |
600 |
Group of answer choices
Muscle A
Muscle B
Muscle C
B)The following list of events take place during a muscle contraction. Place the events in chronological order as they relate to a muscle contraction.
Calcium is released from the sarcoplasmic reticulum.
Myosin heads bind to actin.
An action potential arrives at the axon terminal of a motor neuron.
Calcium binds to troponin, displacing tropomyosin and exposing myosin head binding sites on actin.
Myosin heads undergo power stroke and actin slides over myosin towards M line of sarcomere.
Acetylcholine is released at the neuromuscular junction.
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