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Neuroscience MCQ
171
How many hydrogen bonds can a single water molecule form?
A:
2
B:
3
C:
4
D:
5
172
What is the chemical formula of water?
A:
H2O
B:
H2O2
C:
HO
D:
H3O
173
What type of conduction is facilitated by myelination?
A:
Continuous conduction
B:
Saltatory conduction
C:
Passive conduction
D:
Electrochemical conduction
174
What is the effect of axonal length on signal transmission?
A:
No effect
B:
Increases speed
C:
Decreases speed
D:
Delays transmission slightly
175
How many axons does a typical neuron have?
A:
One
B:
Two
C:
Three
D:
Multiple
176
What is axoplasm?
A:
The membrane of the axon
B:
The cytoplasm of the axon
C:
The myelin sheath
D:
The terminal of the axon
177
How does temperature affect action potential conduction?
A:
No effect
B:
Slower at higher temperatures
C:
Faster at lower temperatures
D:
Faster at higher temperatures
178
What condition can disrupt the myelin sheath?
A:
Epilepsy
B:
Multiple sclerosis
C:
Alzheimer's disease
D:
Parkinson's disease
179
How does axon diameter affect conduction speed?
A:
Larger diameter increases resistance
B:
Smaller diameter increases speed
C:
Larger diameter decreases speed
D:
Larger diameter decreases resistance
180
What happens at the axon terminals?
A:
Signals are generated
B:
Action potentials are initiated
C:
Neurotransmitters are released
D:
Signals are received
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