Which of These Lists the Events of an Action Potential

question 41

Multiple Choice

Which of these lists the events of an action potential in the correct order?

• A) Na ⁺ gates open→inside of axon becomes positive→Na ⁺ gates close→K ⁺ gates open→inside of axon becomes negative
• B) K ⁺ gates open→inside of axon becomes positive→K ⁺ gates close→Na ⁺ gates open→inside of axon becomes negative
• C) K ⁺ gates open→inside of axon becomes negative→K ⁺ gates close→Na ⁺ gates open→inside of axon becomes positive
• D) Na ⁺ gates open→inside of axon becomes negative→Na ⁺ gates close→K ⁺ gates open→inside of axon becomes positive
• E) Na ⁺ gates open→inside of axon becomes positive→K ⁺ gates close→Na ⁺ gates open→inside of axon becomes negative

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Definitions:

Trichromatic Theory

A theory of color vision stating that the human eye has three types of receptors sensitive to red, green, and blue wavelengths, forming the basis of our color perception.

Opponent-Process Pairing

A theory in visual and emotional perception stating that elements are controlled by the interaction of opposing processes, leading to experiences of complementary contrasts.

Color Constancy

The perceptual property of recognizing the consistent color of objects despite changes in lighting or environmental conditions.

Luminance Contrast

Amount of light an object reflects relative to its surroundings.