Exam 21: Peripheral Nervous System

Match each term with its description or definition. -Nerve root that carries motor nerves away from the spinal cord

The largest nerve of the body, the sciatic nerve, has its source in the sacral plexus.

Nerve plexuses of the thoracic region innervate the abdominal organs.

Two cranial nerves, the hypoglossal and the vagus, receive branches from the cervical plexus.

Sympathetic chain and sympathetic rami refer to the same structure.

The most common cause of peripheral neuropathy in the United States is diabetes mellitus.

The lumbar plexus gives rise to the _____ nerve.

Match each cranial nerve with its function or description. -Involved in both hearing and equilibrium

Danielle has sustained an injury that has reduced her ability to complete simple tasks such as lifting a pencil, manipulating eating utensils, and brushing her hair. The injury has affected the _____ motor pathways _____ the central nervous system (CNS).

The cranial nerve that arises from the spinal cord is the:

Which is(are) the neurotransmitter(s) in a somatic motor pathway?

The dorsal root ganglion contains motor neuron cell bodies.

Nerves that innervate the floor of the pelvic cavity and some of the surrounding areas are found in the _____ plexus.

Because the vagus nerve sends many fibers to the abdominal organs, it was given the name vagus, which means visceral.

The vestibulocochlear nerve is sometimes called the acoustic nerve.

The two optic nerves join at the optic chiasma.

How is herpes zoster (shingles) a result of the reactivation of the varicella zoster virus?

When referring to a spinal nerve, the terms dorsal root and dorsal ramus refer to the same structure.

The nerves from the cervical plexus innervate the lower part of the shoulder and the entire arm.

Which of the following cranial nerves is not associated with eye movement?