Multiple Choice
___ allow some ions to move against their gradient to provide extra energy to the cell.
A) Voltage gradients
B) Chemical gradients
C) Sodium-potassium pumps
D) Metabolic activities
E) Both A and D
Correct Answer:
Verified
Correct Answer:
Verified
Q12: An adequate stimulus to a neuron may
Q13: Myelin:<br>A)is most common in smaller nerve fibers
Q14: At the synapse,what event must occur before
Q15: A neurotransmitter:<br>A)serves to open ionic channels in
Q16: In adults,regeneration of neurons and return to
Q18: _ is an example of an anion.<br>A)Potassium<br>B)Chloride<br>C)Sodium<br>D)Calcium
Q19: All of the following are characteristic of
Q20: _ results from an inability to transmit
Q21: An electrical synapse:<br>A)occurs at the synaptic cleft<br>B)occurs
Q22: The direction of a neural impulse travels