bsc 2346 module 4 quiz 3 versions bsc2346 quiz 4 latest human anatomy and physiology rasmussen college already graded a
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BSC 2346
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Question 1
1 out of 1 points
Which statement is NOT true regarding muscle contraction?
Selected C.
Answer: Calcium ions bind to the tropomyosin
protein
Question 2
1 out of 1 points
Which choice best describes the function of myoglobin?
Selected D.
Answer: Provides a small reserve supply of oxygen for the
muscle cell
Question 3
1 out of 1 points
Which statement best describes a sarcomere?
Selected A.
Answer: It is the smallest contractile unit of a
muscle fiber
Question 4
1 out of 1 points
Which statement is true regarding muscle contraction?
Selected A.
Answer: ATP is needed to release the thick filament from the
thin filament
Question 5
1 out of 1 points
Anaerobic respiration produces lactic acid as a by-product but creates
more ATP for muscle contraction when compared to aerobic respiration?
Selected Fals
Answer: e
Question 6
1 out of 1 points
Which choice best describes what a fascicle is?
Selected B.
Answer: Bundle of muscle fibers enclosed by
connective tissue
Question 7
1 out of 1 points
What factor is NOT required for the process of muscle contraction to occur?
Selected D.
Answer: Sodium ions to be present within the muscle fiber’s
cytoplasm
Question 8
1 out of 1 points
Fast glycolytic muscle fibers do not fatigue quickly due to their rich supply
, of myoglobin?
Selected Fals
Answer: e
Question 9
1 out of 1 points
What answer is NOT true regarding muscle contraction?
Selected B.
Answer: ATP is needed for the thick filament to bind to the
thin filament
Question 10
0 out of 1 points
A motor unit is all the nerves that innervate all of the muscle fibers of one
muscle?
Selected Tru
Answer: e
Question 11
1 out of 1 points
What is the neurotransmitter released from motor neurons initiating
muscle contraction?
Selected A.
Answer: Acetylcholi
ne
Question 12
0 out of 1 points
What structure separates one fascicle from another in a muscle?
Selected A.
Answer: Epimysiu
m
Question 13
1 out of 1 points
Which statement is NOT true regarding slow oxidative muscle fibers?
Selected A.
Answer: Appears white in color within a
specimen
Question 14
1 out of 1 points
What statement is true of smooth muscle?
Selected D.
Answer: It is found mainly within internal organs such as the bladder
and uterus
Question 15
1 out of 1 points
Which choice best describes the function T-tubules have within muscle
contraction?
Selected D.
Answer: Transmit the action potential deep into the
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