Exam 21: Peripheral Nervous System

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

Reflexes are always unconscious or involuntary.

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

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

The vagus nerve contains both sensory and motor fibers.

The glossopharyngeal nerve is the only cranial nerve that contains autonomic fibers.

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

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

Which segment of the vertebral column generates more spinal nerve pairs than any other segment?

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

Normal infants will show the Babinski reflex up to the age of _____ years.

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

Each optic nerve contains fibers from both retinas.

Match each cranial nerve with its function or description. -Sends fibers to the occipital lobe and the superior colliculi

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

Outline the neural pathway involved in the patellar (knee jerk) reflex.

Efferent neurons carry information away from the CNS; afferent neurons carry information toward the CNS.

Match each cranial nerve with its function or description. -Dendrites and cell bodies are along the superior conchae

Which of the following is a correct statement?

After radiation treatment, Jake experienced a painful eruption of red, swollen plaques that ruptured and later crusted over. Soon after the eruption of the vesicles, Jake complained of burning and itching in the affected dermatome. These symptoms are most likely a result of what condition?