In multiple sclerosis,what happens at the level of the neuron?
A) The myelin sheath deteriorates.
B) The gates in the membrane are fused shut.
C) Sodium can no longer cross the membrane.
D) The neuron stops making neurotransmitters.
Correct Answer:
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Q13: The fluid that bathes neural cells is
Q14: The outer membrane of a neuron is
Q15: The _ is the physical space between
Q16: What is meant by the "all-or-none" principle?
A)
Q17: The primary function of the axon is
Q19: Computer is to wire as _ is
Q20: The nucleus of the neuron is located
Q21: Some simple reflexes,such as the reflexive withdrawal
Q22: Recent research has suggested that glial cells
Q23: _ cells assist _ by transporting nutrients
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