Exam 21: Peripheral Nervous System

Match each cranial nerve with its function or description. -Fibers are widely distributed in the body; name means "wanderer"

Myotome is a term referring to a skeletal muscle group innervated by motor neuron axons from a given spinal nerve.

All of the cervical nerves contribute to the cervical plexus.

Afferent nerves or fibers are found only in the _____ nervous system.

The peripheral nervous system includes:

Thoracic spinal nerves are the only segment of spinal nerves that do not participate in a plexus.

If a person is having problems with tongue movement, what would you predict as a possible cause and other potential problems?

Amines are the neurotransmitters in a somatic motor pathway.

The abducens nerve abducts the upper arm.

The olfactory nerve has dendrites in the inferior turbinates of the nose.

The sensory cranial nerves include only the:

Injury to the sixth cranial nerve causes the eye to turn in because of paralysis of the abducting muscle of the eye.

The lower end of the spinal cord bears the name lumbosacral plexus.

The spinal ganglion can be found on the _____ of the spinal nerve.

Herpes zoster is a unique viral infection that almost always affects the skin of a single dermatome.

The facial nerve contains efferent fibers to the tear glands and afferent fibers from the taste buds.

Match each term with its description or definition. -Reflexes that involve cardiac muscle, smooth muscle, and glands

Small branches from the cervical plexus join which two cranial nerves?

Explain the difference between a spinal reflex and a cranial reflex. Explain the difference in effector organs between somatic reflexes and visceral reflexes.

Match each cranial nerve with its function or description. -Branches into three nerves: the ophthalmic, maxillary, and mandibular nerves