Exam 20: Central Nervous System

The fourth ventricle is located:

The "tree of life" (arbor vitae) is found in the cerebellum.

William was recently involved in a serious automobile accident. As a result, he has had difficulty controlling his skeletal muscles and maintaining his balance. What part of the nervous system was most likely damaged?

Give the location of the pineal gland and its most likely function.

Which of the following is not a somatic sense?

The set of coordinated commands that control programmed muscle activity mediated by extrapyramidal pathways is called the:

Since her fall several weeks ago, Juanita has drifted into and out of consciousness. Her arousal and/or alerting mechanisms apparently are not functioning properly. What specific area of the brain is most likely responsible for these factors?

The brain contains about 200 billion cells.

One source of the tracts entering the cerebellum and forming the inferior cerebellar peduncle is the medulla.

The thalamus acts as a relay station for ascending sensory impulses.

Briefly discuss one of the "integrative functions" of the cortex.

The hypothalamus plays a role in regulating water balance in the body.

As you move from the spinal cord up the central nervous system, the:

One of the major functions of the thalamus is its influence on the activity of the endocrine system.

Association tracts connect parts of the same cerebral hemisphere.

Dural sinuses function as reservoirs for cerebrospinal fluid.

Nerve fibers of the spinothalamic tract are:

"Jet lag" occurs when the biological clock does not match up with the external clock. It is the job of the pineal body to correct this.

Both the dorsal and ventral root ganglia in the spinal nerves contain cell bodies.

The spinal tract that is located in the side of the cord, originates in the brain, and terminates in the spinal cord is the _____ tract.