How Many People Are Infected with HIV Worldwide

question 27

Multiple Choice

How many people are infected with HIV worldwide?

• A) 1 million
• B) 10 million
• C) 20 million
• D) 33 million

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Definitions:

Behaviors

Actions or reactions of an individual or system in response to external or internal stimuli.

Strengthen

To make or become stronger, more forceful, or more resistant to stress.

Primary Reinforcer

A stimulus that is naturally rewarding for an individual, such as food, water, or sleep, that satisfies basic survival needs.

Grades

A system used to evaluate or rate students' performance in academic settings.