Peripheral Nervous System

What are the 4 major nerve plexuses?

• cranial, brachial, lumbar, sacral

• cervical, brachial, lumbar, sacral

• phrenic, axillary, femoral, sciatic

• olfactory, axillary, lumbar, sciatic

carries impulses for vision

• optic

• oculomotor

• olfactory

• abducens

balance and hearing

• trochlear

• trigeminal

• facial

• vestibulocochlear

How many pairs of cranial nerves are there?

• 12

• 13

• 10

• 8

Where are the cervical nerve plexuses found?

• skin of shoulder, lower abdomen, hip joint, neck

• diaphragm, skin of superior thorax, hip joint, gluteal muscles of the hip

• skin of shoulder, lower abdomen, gluteal muscles of the hip

• diaphragm, skin of muscles and shoulder, neck

What do the cranial nerves consist of?

• sensory and motor nerve fibers

• mixed nerves and scattered ganglia

• nerves and scattered ganglia

• nerves and plexuses

What are the major nerves of the sacral nerve plexus?

• phrenic, ulnar, femoral

• sciatic, superior and inferior gluteal

• brachial, obturator

• axillary, radial, lumbar, cervical

supports motor fibers for the superior oblique eye muscle

• trigeminal

• glossopharyngeal

• trochlear

• vagus

motor fibers that activate the sternocleidomastoid and trapezius muscles

• facial

• trigeminal

• hypoglossal

• accesory

Which pair of cranial nerves is #1?

• vagus

• oculomotor

• trochlear

• olfactory