Nerve quiz

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The obturator nerve innervates the ______ muscles of the thigh.

adductor

The deltoid and teres minor are innervated by the ______ nerve.

axillary

The deltoid muscle is innervated by the ______ nerve.

axillary

The ______ plexus innervates the arm muscles.

brachial

The branch of the facial nerve that innervates the upper jaw and lip is the ______.

buccal

Fibers from the ______ plexus combine with the spinoaccessory and hypoglossal cranial nerves to innervate some neck and pharyngeal muscles.

cervical

The phrenic nerve is considered part of the ______ plexus.

cervical

The skin on the head and neck is innervated by nerves from the ______ region of the spinal cord.

cervical

"Foot drop" is a condition caused by damage to the ______ nerve.

deep fibular

Inability to dorsiflex the foot might indicate damage to the ______ nerve.

deep fibular

"Foot drop" is caused by damage to the ______ nerve causing the ______ muscle to be paralyzed.

deep fibular, tibialis anterior

Bell's palsy is often due to inflammation and swelling of the ______ nerve.

facial

Loss of taste on the front of the tongue indicated damage to the ______ nerve.

facial

The (glossopharyngeal, facial, statoacoustic, trigeminal) nerve passes through the stylomastoid foramen.

facial

The cranial nerve that first passes through the internal acoustic meatus and then the stylomastoid foramen is the (statoacoustic, facial, trigeminal, glossopharyngeal) nerve.

facial

The muscles of facial expression are innervated by the ______ nerve.

facial

Inability to straighten the leg at the knee might indicate damage to the ______ nerve.

femoral

The ______ nerve is responsible for the patellar reflex.

femoral

The dermatomes of the upper anterior leg are innervated by the ______ nerve.

femoral

The sartorial and quadriceps femoris muscles are innervated by the ______.

femoral

Inability to evert the foot might suggest damage to the ______ nerve.

fibular

The muscles of the dorsal surface of the foot are innervated by the ______ nerve.

fibular

Difficulty swallowing may be caused by damage to the ______ nerve.

glossopharyngeal

The ______ nerve innervates the muscles of the tongue.

hypoglossal

The anterior surface of the leg is innervated by nerves from the ______ region of the spinal cord.

lumbar

The plexus that innervates the buttocks and lower limbs is the ______ plexus.

lumbosacral

The sciatic nerve is considered part of the (cervical, brachial, lumbosacral) plexus.

lumbosacral

The middle ear ossicle that attaches to the tympanic membrane is the ______.

malleus

Damage to the ______ division of the trigeminal nerve causes difficulty closing the jaw.

mandibular

The ______ branch of the trigeminal nerve exits through the foramen ovale.

mandibular

The flexors of the hand are innervated by the (median, ulnar, radial, musculocutaneous) nerve.

median

The pronators of the lower arm are innervated by the ______ nerve.

median

The two nerves that innervate the flexors of the wrist and hand are the ______ and the ______.

median, ulnar

The biceps brachii muscle is innervated by the _____ nerve.

musculocutaneous

The flexors of the elbow are innervated by the ______.

musculocutaneous

The leg adductor muscles and gracilis are innervated by the ______ nerve.

obturator

Dilated pupils, wandering eye, and inability to visually follow the movements of a pencil indicate damage to the ______ nerve.

oculomotor

Loss of sense of smell may be caused by damage to the ______ nerve.

olfactory

All of the following nerves pass through the superior orbital fissure except the ______.

optic

The only adductor of the thigh innervated by the femoral nerve is the ______.

pectineus

The ______ nerve innervates the diaphragm.

phrenic

Crutches that are too long might cause "wrist drop" and the inability to extend the wrist and fingers due to damage of the ______ nerve.

radial

Inability to extend the arm at the elbow might indicate damage to the ______ nerve.

radial

The ______ nerve innervates the extensor muscles of the arm.

radial

The supinator muscle is innervated by the ______ nerve.

radial

The triceps brachii and anconeus are innervated by the ______ nerve.

radial

The biceps femoris muscle is innervated by the (obturator, femoral, pudendal, sciatic) nerve.

sciatic

The flexors of the thigh are innervated by the ______ nerve.

sciatic

The ______ nerve has both cranial and spinal components and innervates the ______ and the ______ muscles.

spinoaccessory, sternocleidomastoid, trapezius

The ______ nerve enters the skull through the internal acoustic meatus.

statoacoustic

The ______ division of the sciatic nerve innervates the semimembranosus and semitendinosus muscles.

tibial

The ______ nerve innervates the gastrocnemius and soleus muscles.

tibial

The branch of the sciatic nerve that innervated the gastrocnemius is the ______ nerve.

tibial

The sciatic nerve is composed of ______ and ______ divisions.

tibial and fibular

Loss of feeling in the face indicated damage to the ______ nerve.

trigeminal

The ______ nerve is responsible for the sense of feeling in the face.

trigeminal

The cranial nerve that innervates the muscles of mastication is the ______ nerve.

trigeminal

The ______ nerve innervates the heart and many internal organs.

vagus

The inability to swallow could reflect damage to either one or both of the ______ and ______ nerves.

vagus, glossopharyngeal


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