Page | 1
BIO 181 ASU EXAM 3 2025| BRAND NEW ACTUAL EXAM
WITH 100% VERIFIED QUESTIONS AND CORRECT
SOLUTIONS| GUARANTEED VALUE PACK| ACE YOUR
GRADES.
T or F: Potassium ions are at high concentrations inside of cells,
including neurons - correct answer - True
The action potential is a result of: - correct answer - the
movement of ions
The post-synaptic cell can be: - correct answer - in glands,
muscle cells and neurons
Th resting potential of a neuron is - correct answer - -60mV
T or F: The cell body refers to the part of the neurons that begin at
the dendrites and extend to the axon terminal - correct answer -
false
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T or F: Voltage gated ion channels open when a protein binds to
the receptor - correct answer - false
T or F: Excitatory synapses cause hyperpolarization of post-
synaptic cells - correct answer - false
T or F: Acetylcholinesterase breaks acetylcholine into muscarinic
acid - correct answer - false
In the motor end plate, the event that is the immediate trigger for
exocytosis is - correct answer - calcium ions
T or F: Fast Neurons as described in lecture require cytoplasmic
signal transduction to open an ion channel. - correct answer -
False
T or F: Only pre-synaptic neurons are coated with myelin. -
correct answer - False
BIO 181 ASU EXAM 3 2025| BRAND NEW ACTUAL EXAM
WITH 100% VERIFIED QUESTIONS AND CORRECT
SOLUTIONS| GUARANTEED VALUE PACK| ACE YOUR
GRADES.
T or F: Potassium ions are at high concentrations inside of cells,
including neurons - correct answer - True
The action potential is a result of: - correct answer - the
movement of ions
The post-synaptic cell can be: - correct answer - in glands,
muscle cells and neurons
Th resting potential of a neuron is - correct answer - -60mV
T or F: The cell body refers to the part of the neurons that begin at
the dendrites and extend to the axon terminal - correct answer -
false
, Page | 2
T or F: Voltage gated ion channels open when a protein binds to
the receptor - correct answer - false
T or F: Excitatory synapses cause hyperpolarization of post-
synaptic cells - correct answer - false
T or F: Acetylcholinesterase breaks acetylcholine into muscarinic
acid - correct answer - false
In the motor end plate, the event that is the immediate trigger for
exocytosis is - correct answer - calcium ions
T or F: Fast Neurons as described in lecture require cytoplasmic
signal transduction to open an ion channel. - correct answer -
False
T or F: Only pre-synaptic neurons are coated with myelin. -
correct answer - False
