Synaptic Transmission

Quiz
•
Biology
•
University
•
Easy

Aaron Moreno
Used 1+ times
FREE Resource
33 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What ion triggers the release of neurotransmitters from the presynaptic neuron?
Sodium (Na+)
Potassium (K+)
Calcium (Ca2+)
Chloride (Cl-)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which process describes the release of neurotransmitters into the synaptic cleft?
Endocytosis
Exocytosis
Diffusion
Phagocytosis
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the small gap between the presynaptic and postsynaptic neurons called?
Axon hillock
Synaptic cleft
Synaptic vesicle
Neurotransmitter receptor
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of receptor directly opens ion channels when a neurotransmitter binds?
Metabotropic receptor
G-protein-coupled receptor
Ionotropic receptor
Voltage-gated receptor
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What occurs during an EPSP?
The neuron becomes hyperpolarized
The membrane potential moves closer to threshold
The postsynaptic neuron becomes less likely to fire an action potential
Chloride ions enter the postsynaptic neuron
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens during an IPSP?
The postsynaptic neuron becomes more likely to fire
The postsynaptic neuron depolarizes
The postsynaptic membrane hyperpolarizes
Sodium ions enter the postsynaptic neuron
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the process by which a neurotransmitter is removed from the synaptic cleft by
the presynaptic neuron?
Reuptake
Diffusion
Enzymatic degradation
Hyperpolarization
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