Which Category of Signal Exerts Its Effects on Target Cells

question 38

Multiple Choice

Which category of signal exerts its effects on target cells by binding to membrane-bound receptor proteins?

• A) neurohormones
• B) estrogens
• C) androgens
• D) vitamin D
• E) neurohormones, estrogens, androgens, and vitamin D

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Definitions:

Cannon-Bard Theory

A theory of emotion that suggests that physical and emotional responses to stimuli occur simultaneously and independently.

Sympathetic Nervous System Arousal

Activation of the part of the autonomic nervous system that increases heart rate, releases adrenaline, and prepares the body for a 'fight or flight' response.

Sympathetic Nervous System

The sympathetic nervous system is part of the autonomic nervous system that prepares the body for fight or flight responses, increasing heart rate, redirecting blood flow, and releasing adrenaline, among other effects.

Subjective Experience

Personal, individual perceptions and feelings that are unique to each person and cannot be fully understood or experienced by others.