Exam 11: Functional Organization of Nervous Tissue

Sensory neurons carrying action potentials from pain receptors synapse within the spinal cord with interneurons.These interneurons synapse with motor neurons leading back to an effector and ascending neurons that carry action potentials toward the brain.This is an example of a(n)_____ pathway.

Schwann cells differ from oligodendrocytes in which of the following ways?

The nervous system has two subdivisions - the central nervous system and the ____________ nervous system.

Protein synthesis in neurons occurs in

The autonomic nervous system

Which of the following is responsible for problem-solving skills?

If you cut bundles of axons and their myelin sheaths in the PNS,you cut

Nissl bodies are

Gray matter on the surface of the brain is/are called

Multiple sclerosis is a neurological disorder in which myelin sheaths in the CNS are destroyed.Which of the following neuroglial cells is being damaged in multiple sclerosis?

-The figure illustrates the Action Potential.What does "D" represent?

LouAnn is being treated for a neurological condition with a specific drug that target neurons deep within the brain.Which glial cell must be bypassed by this drug in order for it to be effective?

Most unipolar neurons are ____________ neurons.

Digestion of food is regulated by the

During the absolute refractory period,the cell

Fran has a microbial infection attacking his brain.Which cell type would you expect to proliferate and be most active during this time?

Gray matter consists of bundles of myelinated axons.

The sensory (afferent)division of the peripheral nervous system

Saltatory conduction of an action potential means that

White matter is composed of