What Is the Most Commonly Used Substance in Canada

question 3

Multiple Choice

What is the most commonly used substance in Canada?

• A) Opioid pain medication
• B) Alcohol
• C) Tobacco
• D) Cannabis

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Definitions:

Iris

The colored part of the eye surrounding the pupil, controlling light levels entering the eye by adjusting the pupil size.

Ciliary Body

A ring of tissue behind the iris of the eye, containing muscle that controls the shape of the lens for focusing and produces aqueous humor.

Hyperopia

A vision condition where distant objects are seen more clearly than near objects, often referred to as farsightedness.

Farsightedness

A common vision condition where distant objects are seen more clearly than close ones, also known as hyperopia.