1. Neurotransmitters are removed from a synapse by
degradation and reuptake. True or False?
2. The endoneurium wraps around groups of fasicles to
form a never. True or False?
3. The fundamental physiological properties that enable
nerve cells are
a. the ability to respond to enviromental changes
b. the ability to produce electrical signals that are quickly
conducted to other cells at distant locations
c. the ability to secrete a chemical that will stimulate the
next cell when an electrical signal reaches the end of an axon.
d. all of these choices are correct
4. Acetylcholinesterase
a. binds to nicotinic receptors
b. catalyzes hydrolysis of AChto remove it from the synaptic
cleft
c. blocks muscarinic receptors
d. catalyzes resynthesis of ACh
5. A recently depolarized area of a cell membrane cannot
generate an action potential because of the
a. absolute refractory period
b. high concentration of sodium ions in the extracellular
fluid
c. presence of receptor sites on the membrane
d. high concentration of potassium ions in the cytoplasm





