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. ganglion

B. sensory receptor

C. spinal cord

D. plexus

Question #3

These cell types produce and help circulate cerebrospinal fluid:

A. astrocytes

B. ependymal cells

C. Schwann cells

D. microglia

Question #4

These statements about unipolar neurons are all true except:

A. have a single process extending from the cell body

B. located in the eye and nasal cavity

C. have no dendrites

D. most are sensory neurons

Question #5

This statement best describes the myelin sheath:

A. helps conduct the action potential more rapidly

B. made of Schwann cells(neurolemmocytes)

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

D. covering surrounding an axon

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. afferent

B. autonomic

C. sympathetic

D. somatic