A motor unit is madup of
A) muscle fibers and motor neurons.
B) muscle fibers only.
C) motor neurons.
D) adipose tissue and motor neurons.
E) connective tissue.
Correct Answer:
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Q37: When muscles contract, thopposing musclwill
A)pull.
B)push.
C)contract.
D)relax.
E)shorten.
Q38: What is thmost common joint injury?
A)strain
B)break
C)compound fracture
D)sprain
E)rupture
Q39: Which bonis thlargest?
A)scapula
B)femur
C)tibia
D)vertebrae
E)fibula
Q40: Bones arwrappein _ tissue(s).
A)adipose
B)dense connective
C)epithelial
D)none of these
E)all
Q41: What is thdecreasin a muscle's ability to
Q43: What ion needs to breleasein order to
Q44: How many musclfibers arsignaleto control eymovements?
A)2
B)3
C)4
D)5
E)6
Q45: What is thmusclfiber to motor neuron ratio
Q46: A motor neuron anthassociatemusclfibers makup a
A)nerve.
B)fascicle.
C)motor unit.
D)nerve
Q47: What typof exercisprograincreases a muscle's ability to
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