More Than One Answer May Apply

question 220

Multiple Choice

More than one answer may apply.
-PTH contributes to its regulation.

• A)Ca²⁺ homeostasis
• B)Ca²⁺ balance

---

Definitions:

Perceptual Set

A mental predisposition to perceive one thing and not another, influenced by expectations, emotions, and experiences.

Gestalt Psychologist

A psychologist who studies how people perceive and experience objects as whole patterns or configurations, not just as simple sums of their parts.

Negative Afterimages

A visual phenomenon where an image continues to appear in one's vision after the exposure to the original image has ceased.

Opponent-Process Theory

A psychological and neurological model that accounts for a wide range of behaviors, including color vision. This theory suggests that emotions are paired in a way that when one is activated, the other is suppressed.