Exam 5: A--The Central Nervous System

Complete each of the following statments. The ____________________ is a specific part of the ____________________ system, and it processes inputs that give rise to the sensation of fear.

The ____ nerves primarily innervate visceral organs.

Efferent neurons

Which of the following is not a function of astrocytes?

Efferent neurons are motor neurons.

If a person suffers a severe blow to the side of the head slightly above the ear, it is closest to the ____ lobe of the cerebral cortex.

Which component of the reflex arc directly sends an impulse to an organ making a response?

Complete each of the following statments. Most capillaries in the brain are joined cell connections called ____________________.

Neurons that play a major role in the sleep-wake cycle are found in the

Gray matter forms the outer layer of the brain and spinal cord, and white matter comprises most of the deeper regions.

An electroencephalogram is a record of action potential activity in the cerebral cortex.

Which type of glial cell lines the ventricles of the brain?

A retrograde chemical messenger from the postsynaptic neuron can influence neurotransmitter release from the presynaptic neuron at a synapse during long-term potentiation.

The blood-brain barrier

Cerebrospinal fluid

Most brain tumors of neural origin consist of interneurons.

Complete each of the following statments. The four major types of glial cells in the CNS are ____________________, ____________________, ____________________, and ____________________.

The most abundant type of neuron in the body is (are) the

Complete each of the following statments. The ____________________ association cortex is located at the interface of three lobes of the brain.

Complete each of the following statments. ____________________ matter consists predominantly of densely packaged cell bodies and dendrites, whereas ____________________ matter consists of bundles of myelinated nerve fibers.