Multiple Choice
Diseases such as multiple sclerosis and Guillain-Barre syndrome damage myelin.What is the common result of this damage?
A) There are fewer astrocytes left to protect the axons.
B) Glial cells reproduce faster.
C) The blood-brain barrier becomes more permeable.
D) Conduction of action potentials is impaired.
E) The mitochondria within a neuron cannot function.
Correct Answer:
Verified
Correct Answer:
Verified
Q237: All of the following are parts of
Q238: If you wanted to cause a voltage-gated
Q239: During limb movement, one muscle of a
Q240: Which statement about voltage-gated channels is true?<br>A)
Q241: When an action potential arrives at an
Q243: When you recorded the membrane potential of
Q244: Once an action potential is initiated, there
Q245: In a resting neuron, there is a
Q246: The drug pentylenetetrazole (PTZ) blocks the action
Q247: Which statement about electrical synapses is false?<br>A)