question

Which cranial nerve, along with cranial nerve pair II, relays specific somatic sensory impulses?

answer

VIII

question

Which cranial nerve, along with the abducens and oculomotor nerves, has somatic motor fibers that pass through the superior orbital fissure?

answer

IV

question

Which cranial nerve pair has two sensory branches which both pass through the internal acoustic meatus?

answer

VIII

question

Of the cranial nerve pairs listed below, which nerve, along with XI and XII, relays only somatic motor impulses?

answer

IV

question

Which cranial nerve pair is characterized by somatic sensory fibers crossing at the ventral midline of the brain?

answer

II

question

Which cranial nerve pair, along with cranial nerve III, has fibers that pass through the superior orbital fissure?

answer

IV

question

Which cranial nerve pair, similar to cranial nerve II, runs through a canal that bears the same name?

answer

XII

question

Damage to which cranial nerve pair can cause difficulties in speech and swallowing?

answer

XII

question

The spinal root of which cranial nerve pair innervates the sternocleidomastoid and trapezius muscles?

answer

XI

question

Damage to which cranial nerve pair can cause deafness and problems with equilibrium?

answer

VIII

question

Which cranial nerve pair has three major branches, the maxillary, mandibular, and ophthalmic divisions?

answer

V

question

Which of the cranial nerve listed below is the largest in diameter?

answer

V

question

Which cranial nerve pair along with the vagus and glossopharyngeal nerves, exits through the jugular foramen?

answer

XI

question

Sensory fibers of which cranial nerve pair pass through the cribriform plate of the ethmoid bone?

answer

I

question

Damage to which cranial nerve pair may result in anosmia?

answer

I

question

An example of an encapsulated receptor is

answer

a lamellar corpuscle (Pacinian corpuscle).

question

A lesion to the common fibular nerve causes

answer

footdrop.

question

A pudendal nerve block may be given

answer

to a woman giving birth.

question

Sensory impulses from the skin would be transmitted into the spinal cord on the

answer

dorsal root of spinal nerves.

question

A receptor that monitors stretch of the patellar tendon can be classified as a

answer

mechanoreceptor and proprioceptor.

question

A receptor that monitors stretch of the stomach can be classified as a

answer

mechanoreceptor and interoceptor.

question

32) Which spinal nerve relays motor impulses to most of the muscles of the posterior forearm?

answer

radial

question

The tibial and common fibular nerves branch from the ________ nerve.

answer

sciatic

question

If one likens a spinal nerve to the trunk of a tree, then the two roots of this tree are the dorsal and ventral roots. What would represent the two large branches of this tree?

answer

ventral and dorsal rami

question

Anesthetic injection to which nerve may block pain during childbirth?

answer

pudendal

question

Which of the cranial nerves listed below provides innervation to one of the extrinsic eye muscles?

answer

trochlear

question

The major nerve plexus to the upper limbs is the

answer

brachial plexus.

question

Contraction rate of the diaphragm is controlled by which nerve?

answer

phrenic

question

Of the following, the nerve that forms from fibers of both the medial and lateral cords of the brachial plexus is the

answer

median.

question

Extrafusal muscle fibers that surround a muscle spindle and resist excessive muscle stretching are innervated by

answer

α efferent neurons.

question

What is the only cranial nerve that has fibers that enter and leave the skull through different foramen? (Hint: It enters through the foramen magnum and leaves through the jugular foramen.)

answer

XI

question

Which of the cranial nerves listed below is a special somatic sensory nerve?

answer

vestibulocochlear

question

Which cranial nerves have fibers that relay somatic motor impulses to pharyngeal muscles during swallowing?

answer

IX and X

question

Which of these receptors would not be found within a synovial joint capsule?

answer

tactile corpuscles (Meissner's corpuscles)

question

Mixed cranial nerves containing both motor and sensory fibers include all of the following except the

answer

optic.

question

The cranial nerves that have neural connections with the tongue include all of the following except the

answer

accessory.

question

Which of these nerves does not arise primarily from the brachial plexus?

answer

phrenic

question

The gastrocnemius muscle is innervated by the ________ nerve.

answer

tibial

question

Which of the following regions is not innervated by nerves of the sacral plexus (L4 - S4)?

answer

anterior thigh muscles

question

Which of these cranial nerve pairs do not pass through the superior orbital fissures?

answer

optic

question

Spinal nerves found at the level of L4 to about S4 form the

answer

sacral plexus.

question

The abducens nerve (CN VI)

answer

innervates the lateral rectus muscle of the eye.

question

An injury to the ulnar nerve causes

answer

claw hand.

question

) Spinal nerves are

answer

present in 31 pairs.

question

A person who cannot blink or smile could have damage to which cranial nerve?

answer

VII

question

The trigeminal nerve contains which class(es) of nerve fibers?

answer

somatic motor and general somatic sensory

question

The primary nerve to muscles of the anterior thigh is the

answer

femoral.

question

Which of these foramen does not include a branch of the trigeminal nerve?

answer

spinosum

question

To avoid double vision, which of the following groups of cranial nerves must be functioning correctly?

answer

III, IV, and VI

question

What specific dermatome lies at the level of the navel?

answer

T10

question

Tactile corpuscles (Meissner's corpuscles)

answer

occur in dermal papillae.

question

62) Which cranial nerve pair is comprised of ventral rootlets from C1-C5?

answer

accessory

question

Which of these nerves arises from the posterior cord of the brachial plexus?

answer

radial

question

Which of these statements about intercostal nerves is true?

answer

The ventral rami of T1-T12 spinal nerves lie just inferior to each rib.

question

The lateral cord of the brachial plexus forms directly from

answer

the anterior divisions of the upper and middle trunks.

question

Which nerve does not arise from the anterior division of the brachial plexus?

answer

radial

question

Migraine headaches result when cerebral arteries dilate in response to neurotransmitters released from the

answer

trigeminal nerve.

question

The cranial nerve pair with large branches that passes through the foramen ovale of the skull is

answer

V.

question

A lesion/injury to the radial nerve causes

answer

wrist-drop.

question

The phrenic nerve receives fibers from

answer

C3-C5.

question

The only cranial nerve that travels into the abdomen is the

answer

vagus.

question

The muscles that initiate flexion at the elbow joint (biceps brachii and brachialis) are innervated by what nerve from the lateral cord?

answer

musculocutaneous

question

Motor neurons to skeletal muscle belong to the

answer

somatic division of the nervous system.

question

Disorders of balance may follow trauma to which nerve?

answer

vestibulocochlear

question

Starting at the spinal cord and proceeding distally, the subdivisions of the brachial plexus are

answer

rami, trunks, divisions, cords.

Ch 14 The Peripheral Nervous System – Flashcards

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