A Given Photon of Light May Trigger an Action Potential

question 49

Multiple Choice

A given photon of light may trigger an action potential with thousands of times more energy because the signal strength is amplified by ________.

• A) the receptor
• B) ion channels
• C) a signal transduction pathway
• D) triggering several receptors at once

---

Definitions:

Impossible

That which cannot occur, exist, or be done; a situation or condition not feasible within the current laws of physics or reality.

Defensive Self-esteem

Self-esteem that is fragile and sensitive to criticism, often leading individuals to respond defensively to perceived threats.

Self-serving Bias

The common tendency to attribute positive events to one’s own character but attribute negative events to external factors.

Narcissism

A personality trait characterized by an inflated sense of one's own importance, a deep need for excessive attention and admiration, coupled with a lack of empathy for others.