Exam 14: The Peripheral Nervous System

The only cranial nerve that travels into the abdomen is the

Motor neurons to skeletal muscle belong to the ________ division of the peripheral nervous system.

If one likens a spinal nerve to the trunk of a tree, then the two roots of this tree are the dorsal and ventral roots. What would represent the two large branches of this tree? In other words, moving away from the spinal cord, the spinal nerve branches into the

Exteroceptors process information from visceral organs.

The tibial and common fibular nerves branch from the ________ nerve.

The ________ and optic nerves are the only cranial nerves that do not have nuclei within the brain.

When you contract your Biceps brachii muscle, you are utilizing the somatic sensory portion of the nervous system.

Which of these cranial nerve pairs do not pass through the superior orbital fissure?

Use the diagram above to answer the following questions. -Which letter indicates a bulbous corpuscle (Ruffini ending) that slowly adapts to deep pressure stimuli?

A lesion to the common fibular nerve causes

Which of the following regions is not innervated by nerves of the sacral plexus (L₄ - S₄)?

The largest branch of the sacral plexus is the sciatic nerve.

Use the diagram above to answer the following questions. -Which letter indicates the structure where cranial nerve fibers from the retina cross to the opposite side of the brain?

Spinal nerves found at the level of L₄ to about S₄ form the

What specific dermatome lies at the level of the navel?

To avoid double vision, which of the following groups of cranial nerves must be functioning correctly?

The accessory nerve (cranial nerve CN XI) contains fibers that assist the hypoglossal nerve (CN XII).

Which cranial nerve pair has two sensory branches which both pass through the internal acoustic meatus?

List and describe the four types of joint kinesthetic receptors.

Damage to this nerve would lead to significant difficulty with breathing.