The Capture of One Photon of Light in a Photoreceptor

question 68

Multiple Choice

The capture of one photon of light in a photoreceptor can block the entry of _______ Na⁺ ion(s) .

• A) one
• B) thousands of
• C) hundreds of thousands of
• D) millions of

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Definitions:

Negative Affectivity

A characteristic of personality marked by a consistent tendency toward negative feelings and a low self-esteem.

Sunk Costs

Costs that have already been incurred and cannot be recovered, which should not affect future decision-making but often do.

Information Overload

A situation where an individual is exposed to more information than they can process, leading to stress or decision paralysis.

Neuroticism

A personality trait associated with negative emotional states such as anxiety, depression, and vulnerability.