Exam 21: Peripheral Nervous System

The femoral nerve, a major nerve in the lower extremity, exits from the lumbar plexus.

Match each term with its description or definition. -Group or braid of nerves formed from spinal nerves C1 to C4

The final efferent organ of the knee jerk reflex is the quadriceps femoris muscle.

There is one more thoracic spinal nerve than there are thoracic vertebrae.

All of the following cranial nerves have a functional classification of motor except:

Match each term with its description or definition. -Nerve root that carries sensory neurons into the spinal cord

Why do the right and left phrenic nerves have considerable clinical interest?

The oculomotor nerve contains fibers from the autonomic nervous system.

The nerves emerging from the lower lumbar and sacral regions branch from a structure called the cauda equina, not the spinal cord itself.

The phrenic nerve exits from the brachial plexus.

The spinal nerves are connected to the spinal cord and consist of _____ pairs.

Spinal nerves are _____ fibers.

Based on the numbering system of the cranial nerves, cranial nerve XI would be more anterior than cranial nerve III.

The term plexus comes from the Latin word meaning braid.

Damage to the _____ nerve could make the diaphragm unable to function.

Which of the following is not true of the knee jerk reflex?

Match each term with its description or definition. -Group of nerves that extend from the bottom of the spinal cord

Trigeminal neuralgia, or tic douloureux, is characterized by stabbing pain radiating from the eyes.

The corneal reflex refers to the eye reducing the size of the pupil in response to bright light.

Match each cranial nerve with its function or description. -Abducts the eye