Exam 9: Nervous System

Explain fully the process of a nerve impulse.What is saltatory conduction?

Match each of the terms with its function or description. -Structure that contains the "vital centers" for the body

The tough outer fibrous sheath that covers the whole nerve is called the endoneurium.

Describe the structure of the cerebrum.

As part of which nervous system do postganglionic neurons release norepinephrine?

The somatic nervous system controls actions of

The coordination of muscle movement and the maintenance of equilibrium occur in the

The hypothalamus releases chemicals that stimulate the release of hormones by the posterior pituitary gland.

When the nerve impulse encounters a myelin-covered section of neuron

The innermost membrane covering the brain and spinal cord is called the

Postganglionic neurons of the sympathetic nervous system release norepinephrine.

When a section of the resting neuron is stimulated

Cells that produce myelin for cells outside the brain and spinal cord are the

Which of the following is a function of the thalamus?

Unlike other neurotransmitters,nitric oxide passed directly through the plasma membrane rather than being released by vesicles.

The deepest grooves in the cerebrum are called fissures.

A nerve is

Only myelinated fibers can have nodes of Ranvier.

Astrocytes produce myelin for the cells of the central nervous system.

The white tracts in the cerebellum form a treelike structure called the arbor vitae.