The Initial Influx of Sodium Ions When an Action Potential

question 135

Multiple Choice

The initial influx of sodium ions when an action potential begins causes which of the following to follow?

• A) a chain reaction in which more and more sodium channels open
• B) a chain reaction in which potassium channels open
• C) sodium channels rapidly close
• D) potassium channels rapidly close
• E) the cytoplasm becomes more negatively charged

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Definitions:

Sequential Design

A research methodology that combines elements of both cross-sectional and longitudinal designs to study changes within a population over time.

Cross-sectional Comparisons

Cross-sectional comparisons involve looking at data from a population at one specific point in time to identify patterns and relationships.

Longitudinal Comparisons

A research technique that involves studying the same group of individuals over a period of time to observe changes and developments.

Intellectual Growth

The development of mental capacity and cognitive skills, including problem-solving, critical thinking, and the acquisition of knowledge.