A) spinal nerves
B) conus medullaris
C) cervical enlargement
D) filium terminale
E) cauda equina
G) A) and C)
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Correct Answer
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A) alpha motor neurons transmit action potentials to muscle causing contraction
B) muscle spindle detects stretch of muscle
C) afferent neurons conduct action potentials to the spinal cord
D) afferent neurons synapse with alpha motor neurons
E) muscle is stretched
G) C) and D)
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A) are innervated by gamma motor neurons.
B) originate in the spinal cord.
C) are specialized nerve cells.
D) are found encapsulated in nerve endings.
E) are innervated by alpha motor neurons.
G) C) and D)
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Correct Answer
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A) provides motor innervation to the biceps brachii
B) innervates two forearm muscles plus most of the intrinsic hand muscles
C) innervates all but one of the flexor muscles of the forearm and most of the hand muscles near the thumb
D) innervates the deltoid and teres minor muscles
E) innervates the triceps brachii
G) A) and E)
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Correct Answer
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