Exam 12: Spinal Cord and Spinal Nerves

A) 1,2,3,4,5
B) 1,5,2,3,4
C) 1,5,3,2,4
D) 5,2,3,4,1
E) 4,5,3,2,1

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A) spinal nerves
B) conus medullaris
C) cervical enlargement
D) filium terminale
E) cauda equina

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A) is associated with the Golgi tendon reflex.
B) stimulates antagonistic muscles.
C) results in reduced resistance to the reflex.
D) reinforces the withdrawal reflex.
E) inhibits the stretch reflex.

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A) surrounds nerve cell bodies.
B) surrounds individual axons and their Schwann cells.
C) bundles axons into fascicles.
D) bundles fascicles into nerves.
E) bundles fascicles into axons.

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A) inside,gray matter on the outside,and a dorsal motor root.
B) outside,gray matter on the inside,and a ventral motor root.
C) inside,gray matter on the outside,and a dorsal sensory root.
D) outside,gray matter on the inside,and a ventral sensory root.

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A) axillary
B) radial
C) musculocutaneous
D) ulnar
E) median

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A) central canal
B) ventral root
C) dorsal root ganglion
D) spinal nerve
E) dorsal root

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A) thoracic plexus.
B) ventral rami of thoracic spinal nerves.
C) dorsal rami of thoracic spinal nerves.
D) rami communicans of the thoracic spinal nerves.
E) cervical plexus.

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A) dura mater.
B) pia mater.
C) ectomater.
D) arachnoid mater.

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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

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A) anterior root.
B) dorsal root.
C) efferent root.
D) ventral root.
E) lateral root.

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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.

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A) axillary
B) brachial
C) radial
D) musculocutaneous
E) ulnar

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A) maintain posture longer.
B) fall.
C) decrease muscle tension.
D) develop resistance in one limb and reduce resistance in the other.
E) hop.

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A) sensory receptor
B) effector organ
C) sensory neuron
D) motor neuron
E) interneuron

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A) The dorsal root has a ganglion.
B) The dorsal root has a tract.
C) The dorsal root has a nucleus.
D) The dorsal root appears the same as the ventral root.

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A) they are not used in diagnosis of brain potential brain damage.
B) they are only useful for diagnosis if there has been damage to the spinal cord.
C) it is possible to determine what level of the spinal cord may have been damaged.
D) they are only helpful when diagnosing problems in the extremities.
E) they are only helpful if the patient is conscious.

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