A motor unit refers to
A) a single motor neuron plus all of the muscle fibers it innervates
B) a single muscle fiber plus all of the motor neurons that innervate it
C) all of the motor neurons supplying a single muscle
D) a pair of antagonistic muscles
E) a sheet of smooth muscle cells connected by gap junctions
Correct Answer:
Verified
Q42: In twitch summation, the muscle fiber
A)is stimulated
Q43: To pick up something heavier than your
Q44: Submaximal isometric contractions are important for
A)moving large
Q45: Picking up a book at a constant
Q46: A lack of ATP in a contracted
Q48: In a muscle fiber undergoing maximal tetanic
Q49: Which of the following is involved in
Q50: Based on the length-tension relationship,
A)stretching a skeletal
Q51: Muscles developing tension while lengthening are performing
Q52: With eccentric muscle contractions,
A)development of tension occurs
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