Exam 7: The Peripheral Nervous System

The _______ consists of efferent (motor) fibers leaving the spinal cord.

Second efferent neurons are ______ neurons.

The _______ nerve is the largest nerve arising from the lumbar plexus.

The _______ of each nerve supplies the muscles and skin of the posterior part of the body in that region.

Both preganglionic and postganglionic fibers of the parasympathetic system release the neurotransmitter _______.

Fill in the correct labels for the following figure using the word bank below. -A __________

In the parasympathetic system, first efferent neurons synapse with second efferent neurons in _______, located near or within the walls of organs they innervate.

Fill in the correct labels for the following figure using the word bank below. -E __________

Fill in the correct labels for the following figure using the word bank below. -F ___________

Fill in the correct labels for the following figure using the word bank below. -G ___________

Cranial nerve II is the _______ nerve.

How would messages from the brain be affected if the spinal cord became damaged?

Some axons of the second efferent neurons leave a ganglion of the paravertebral sympathetic ganglion chain as various _______ nerves.

Cranial nerve I innervates the _______.

Fill in the correct labels for the following figure using the word bank below. -F __________

The _______ system is most active during periods of calm and physical rest.

The somatic system includes _______.

The teeth are innervated by the _______ nerve.

Fill in the correct labels for the following figure using the word bank below. -H ___________

The _______ system prepares the body for action and is most active during stressful situations.