Myelinated axons have large numbers of ion channels a. along ...

[TFauchery]

Myelinated axons have large numbers of ion channels
 
  a. along the entire length.
 b. only at the axon hillock and nodes of Ranvier.
 c. only at the axon terminals.
 d. only at the axon hillock.

Question 2

Compared with unmyelinated axons, myelinated axons
 
  a. use more energy to transmit a neural message.
  b. have wider nodes of Ranvier.
 c. have narrower nodes of Ranvier.
 d. use less energy to transmit a neural message.

[sarajane1989]

Answer to Question 1

b

Answer to Question 2

d