Which of the Following Is True About the Movement of Ions

question 34

Multiple Choice

Which of the following is true about the movement of ions across excitable living membranes?

• A) Ions always move actively across membranes through leakage channels.
• B) Sodium gates in the membrane can open in response to electrical potential changes.
• C) Ions always move from an area of higher concentration to an area of lower concentration.
• D) Ions always move passively across membranes.

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Definitions:

Trait Theories

Psychological perspectives that focus on measuring, identifying, and analyzing individual differences in personality traits.

Fluid Cognitive Structure

Refers to an aspect of cognitive ability that involves the capacity to reason quickly and think abstractly, allowing for problem-solving and the learning of new tasks.

Consistently

Acting or behaving in the same way over time, showing steady conformity to the same principles, course, form, etc.

Chronically Underaroused

Describes a condition or state in which an individual consistently exhibits lower than average levels of physiological or psychological arousal.