The Depolarization of an Axon Is Most Likely to Occur

question 34

Multiple Choice

The depolarization of an axon is most likely to occur when

• A) positively charged ions rush into the axon.
• B) negatively charged ions rush into the axon.
• C) positively charged ions rush out of the axon.
• D) negatively charged ions rush out of the axon.

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Definitions:

Amphibia

A class of cold-blooded vertebrates that includes frogs, toads, salamanders, and newts, distinguished by their ability to live both in water and on land.

Vertebrate Classes

Categories within the subphylum Vertebrata, distinguishing animals based on key features like presence of a backbone, including mammals, birds, reptiles, amphibians, and fish.

Cartilaginous Skeleton

A type of skeleton found in certain animals where the principal structural component is cartilage, rather than bone.

Paired Fins

Appendages found on fish that are used for stabilization, steering, and propulsion through the water.