Muscular System Quiz

Quiz
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Science
•
University
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Medium
Standards-aligned
Mila Mallare
Used 20+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of the neuromuscular junction?
To release acetylcholine into the synaptic cleft
To open Ca2+ channels
To bind to troponin
To release stored calcium
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when Ca2+ binds to troponin?
Acetylcholine is released
Na+ channels open
Tropomyosin moves
Myosin heads bind to actin
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of ATP in muscle contractions?
To release acetylcholine
To break down troponin
To supply energy
To open Ca2+ channels
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a muscle twitch?
A sustained contraction
A single contraction of a muscle fiber
The time during which the muscle relaxes
The time between the application of a stimulus and the beginning of contraction
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the process of individual muscles contracting more forcefully called?
Summation
Tetanus
Recruitment
Multiple-wave summation
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of muscle fiber contracts slowly and is used by long distance runners?
Slow twitch fibers
Fast twitch fibers
A blend of both fibers
None of the above
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where does the energy for muscle contractions come from?
Aerobic production of ATP
Anaerobic production of ATP
Conversion of creatine phosphate to ATP
All of the above
Tags
NGSS.HS-LS1-7
NGSS.HS-LS2-3
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