ASU BIO 181 Exam 3 A+ Frequently Tested Questions and Answers Verified Solutions Latest Update 2026/2027

ASU BIO 181 Exam 3 A+ Frequently
Tested Questions and Answers Verified
Solutions Latest Update 2026/2027

Question:
The action potential is a result of:

Answer:
the movement of ions


Question:
The post-synaptic cell can be:

Answer:
in glands, muscle cells and neurons


Question:
Th resting potential of a neuron is

Answer:
60mV


Question:
T or F: The cell body refers to the part of the neurons that begin at the dendrites and extend to the
axon terminal

Answer:
false


Question:
T or F: Voltage gated ion channels open when a protein binds to the receptor

, Answer:
false


Question:
T or F: Excitatory synapses cause hyperpolarization of post-synaptic cells

Answer:
false


Question:
T or F: Acetylcholinesterase breaks acetylcholine into muscarinic acid

Answer:
false


Question:
T or F: Fast Neurons as described in lecture require cytoplasmic signal transduction to open an ion
channel.

Answer:
False


Question:
T or F: Only pre-synaptic neurons are coated with myelin.

Answer:
False


Question:
T or F: When the presynaptic cell contacts a muscle cell, the synapse area is called a motor end
plate.

Answer: