Which Statement About the Axon Hillock Is False

question 187

Multiple Choice

Which statement about the axon hillock is false?

• A) The axon hillock is located at the base of the axon.
• B) The cell membrane at the axon hillock is not insulated by glia.
• C) The axon hillock has no voltage-gated Na⁺ channels.
• D) When depolarized to threshold, the axon hillock fires an action potential.
• E) The axon hillock is the location where summation takes place in most neurons.

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Definitions:

Posterior Tibial

Pertaining to the rear (posterior) tibial nerve or artery, which are located in the lower leg and supply regions of the foot.

Smooth Muscle Fibers

Specialized muscle tissues that contract involuntarily, found in the walls of internal organs such as the stomach, intestines, and blood vessels.

Elastic Tissue

A type of connective tissue that allows many tissues in the body to resume their shape after stretching or contracting.

Thinner Walls

Structures, particularly in the context of blood vessels or chambers of the heart, having less thickness, which can impact their function and efficiency.