Exam 15: Peripheral Nervous System

The cauda equine:

The trigeminal nerve gives rise to the ophthalmic nerve,the maxillary nerve,and the zygomatic nerve.

A patient complains of numbness in the skin of the buttocks and the posterior surface of the thigh and leg.The spinal nerve or peripheral branch most likely involved with this condition is the _____ plexus.

List the names,numbers,and functional classifications of the cranial nerves.

The first four lumbar nerves contribute to the lumbar plexus.

The plantar reflex and Babinski reflex are brought about by the same stimulus.

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

Most "motor" cranial nerves carry proprioceptive sensory fibers.

A dermatome is the skin surface area supplied by a single spinal nerve.

Which is not true of the dorsal nerve root?

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. -nerve root carries sensory neurons into the spinal cord

Match each term with its description or definition. -group or braid of nerves formed from spinal nerves C5 to T1

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

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

Match each term with its description or definition. -reflexes that involve skeletal muscles

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

A gymnast is experiencing problems with balance and equilibrium.Which of the following cranial nerves may be causing this condition?

The phrenic nerve exits from the brachial plexus.

The last spinal nerve is Cx 1 (from the coccyx),which joins with sacral spinal nerves to form the coccygeal plexus.