Prince George Community College » Biology » Bio 2050 - Anatomy and Physiology » Spring 2021

Question #1

Axons terminate by branching to form small extensions with enlarged ends which are called this:

A. neuron cell bodies

B. postsynaptic membranes

C. axon hillocks

D. presynaptic terminals

Question #2

This extensive network of axon outside of the CNS:

A. spinal cord

B. sensory receptor

C. ganglion

D. plexus

Question #3

These cell types produce and help circulate cerebrospinal fluid:

A. Schwann cells

B. astrocytes

C. ependymal cells

D. microglia

Question #4

These statements about unipolar neurons are all true except:

A. located in the eye and nasal cavity

B. have a single process extending from the cell body

C. most are sensory neurons

D. have no dendrites

Question #5

This statement best describes the myelin sheath:

A. made of Schwann cells(neurolemmocytes)

B. helps conduct the action potential more rapidly

C. covering surrounding an axon

D. provides insulation from other axons, covering surrounding an axon and made of Schwann cells(neurolemmocytes)

E. provides insulation from other axons

Question #6

This portion of the motor division of the nervous system conducts action potentials from the central nervous system to skeletal muscle fibers.

A. sympathetic

B. afferent

C. somatic

D. autonomic