The Squid Giant Axon Is Approximately 500 µM in Diameter

The squid giant axon is approximately 500 µm in diameter compared to 2µm for a typical human axon) . Due to the size of the axon,

A) it can transmit action potentials much faster than small axons can.
B) it can transmit action potentials at a higher frequency i.e., fire faster) than small axons can.
C) It can generate larger amplitude action potentials than small axons can.
D) It can generate longer duration action potentials than small axons can.
E) Answers A and C are both correct.

Correct Answer:

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