$\underline {\text { Variable } }$ Atmospheric Components Refer to
A) Only Natural Gases and Materials

question 14

Multiple Choice

$\underline {\text { Variable } }$ atmospheric components refer to

• A) only natural gases and materials.
• B) nitrogen, oxygen, argon, and carbon dioxide.
• C) natural sources of dust and aerosols, such as volcanic dust and forest fire smoke, but nothing anthropogenic (human-caused).
• D) both natural and anthropogenic gases and materials.

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Definitions:

Sundowning

A symptom of Alzheimer's disease and other forms of dementia that involves increased confusion, anxiety, and agitation beginning at dusk and continuing into the night.

Delirium

Cognitive disorder including disorientation and memory loss that is acute and usually transient.

Antipsychotic Drugs

Drugs used to treat psychotic symptoms, such as delusions, hallucinations, and disorganized thinking.

Behavioral Therapy

A therapeutic approach that seeks to modify harmful behaviors through learning techniques.