Exam 7: The Peripheral Nervous System

There are _______ pairs of cervical spinal nerves, _______ pairs of thoracic spinal nerves, and _______ pairs of lumbar spinal nerves.

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

The optic nerve _______.

Parasympathetic nerves _______.

In the autonomic division, the first efferent neurons are referred to as _______ neurons.

The _______ division works automatically to maintain a steady state within the body.

Postganglionic neurons of the sympathetic system release the neurotransmitter _______ and are referred to as adrenergic.

There are _______ pairs of spinal nerves that emerge from the spinal cord.

Each spinal ganglion consists of _______.

Branches of the _______ nerve innervate the heart, lungs, liver, pancreas, esophagus, stomach, small intestine, and upper portion of the large intestine.

Preganglionic neurons of the sympathetic system release the neurotransmitter _______ and are referred to as cholinergic.

The _______ nerve, which sends impulses to the diaphragm, arises from the cervical plexus.

The _______ receives sensory information from the back of the head, neck, shoulders, and upper chest.

The _______ nervous system is made up of the sensory receptors, the nerves that link sensory receptors with the central nervous system (CNS), and the nerves that link the CNS with effectors.

The main branch of the sacral plexus is the _______ nerve, the largest nerve in the body.

Which neurons release the neurotransmitter norepinephrine?

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

The _______ supplies the lower abdominal wall, buttock, thigh, and genital structures.

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

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