Exam 8: Nervous System

The depolarization of a myelinated neuron occurs

The cerebral cortex is the outermost portion of the cerebrum and consists of

In inhibitory transmission at the synapse,the neurotransmitter hyperpolarizes the postsynaptic membrane and makes it more difficult to initiate an impulse.

The substance that diffuses across the synaptic cleft from one neuron to the next is a

A defect in the choroid plexus would interfere with an individual's ability to

The region of the brainstem that contains vital reflex centers for heart rate,respiration,and blood pressure is the

Which one of the following is INCORRECT about the autonomic nervous system?

The midbrain consists of the thalamus and hypothalamus.

Cerebrospinal fluid flows from the third ventricle into the fourth ventricle through the

A root that means "tongue" is

The type of synaptic transmission that makes it more difficult to generate an impulse is _____ transmission.

An afferent extension of a neuron is the

Neurons that carry impulses toward the central nervous system are

In a nerve,each individual nerve fiber is surrounded by connective tissue called

Three cranial nerves that function in eye movements are the