Which statement concerning the nodes of Ranvier is true?
A) The myelinated membrane adjacent to the nodes allows the firing of action potentials.
B) The nodes are regions where the nerve axon is myelinated.
C) Action potentials jump from node to node.
D) Voltage-gated ion channels are clustered in the regions between the nodes.
E) Positive current flows along the outside of the myelinated axon in between the nodes.

Question

Quizplus · Accepted Answer

The nodes of Ranvier are the non-myelinated gaps or spaces on the axon where action potentials can jump or "saltate" from one node to the next, allowing for faster propagation of the signal.

Which Statement Concerning the Nodes of Ranvier Is True