The Precursor for Vitamin D in the Skin Is

question 6

Multiple Choice

The precursor for vitamin D in the skin is

• A) Tachysterol
• B) 7-dehydro cholesterol
• C) Pregnenolone
• D) Lanosterol
• E) Cholecalciferol

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Definitions:

Classical Conditioning

A learning process that occurs when two stimuli are repeatedly paired; a response that is at first elicited by the second stimulus is eventually elicited by the first stimulus alone.

Systematic Desensitization

A therapeutic technique used in behavioral therapy to gradually reduce phobia, anxiety, or fear by exposing the individual to the feared object or context in a controlled manner.

Causal Attribution

Explanation for why an event occurred.

Behavioral Theories

Theories that explain human behavior by focusing on observable behaviors and the external stimuli that may cause them, rather than on internal psychological processes.