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1. What is the function of the myelin sheath?
A
To support the axon
B
To speed up conduction
C
To slow down conduction
2. What do terminal buttons release?
A
Neurotransmitters
B
Hormones
C
Lipids
3. Which neuron shape is most common?
A
Bipolar
B
Unipolar
C
Multipolar
4. What do interneurons communicate with?
A
Within a neuron
B
Between dendrites
C
Between neurons
5. What causes an action potential to occur?
A
A strong stimulus
B
A change in membrane potential
C
Action potentials from surrounding neurons
6. What is the role of an Excitatory Post-Synaptic Potential?
A
To release neurotransmitters
B
To depolarize the neuron
C
To increase the chance of an action potential
7. What voltage threshold does the neuron have to reach for an action potential to occur?
A
-55 mV
B
-90 mV
C
0 mV
8. During which refractory period is another action potential impossible?
A
Relative Refractory Period
B
Absolute Refractory Period
C
Both
9. Which Post-Synaptic Potential hyperpolarizes the neuron?
A
Inhibitory
B
Excitatory
C
Both
10. Which chemical causes synaptic vesicles filled with neurotransmitters to release into the synapse?
A
Sodium
B
Magnesium
C
Calcium