In the Normal Axon, Reverse Propagation of the Action Potential

question 6

Multiple Choice

In the normal axon, reverse propagation of the action potential is not possible because the membrane is

• A) Refractory because of sodium channel inactivation
• B) Refractory owing to potassium channel inactivation
• C) Refractory as a result of sodium ion influx
• D) Refractory because of potassium ion influx
• E) At its resting potential

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Definitions:

Canalized

A process by which the genetic development of an organism is guided by the environment so that a certain phenotype is produced regardless of variability in the environment or genetics.

Niche Construction

The process by which organisms alter their own and each other’s environments, potentially affecting both their own evolution and that of other species.

Environmental Modification

The process of changing or altering the environment to suit specific needs or to mitigate detrimental impacts on human and ecological health.

Kinship Studies

Research and analysis focusing on family relationships and how they influence behaviors, traits, and social structures.