Jenna Is Jittery,finding It Impossible to Sit Still and Concentrate

question 66

Multiple Choice

Jenna is jittery,finding it impossible to sit still and concentrate.She has not slept in 30 hours.What class of psychoactive drug might you suspect she has taken?

• A) Alcohol
• B) Depressant
• C) Hallucinogen
• D) Stimulant

---

Definitions:

Klutzes

Informal for clumsy people who are often prone to accidents or mishandling objects.

Dull Lectures

Boring or unenthusiastic presentations or talks, often resulting in little interest or engagement from the audience.

Marginal Cost

The rise in expense associated with the production of an extra good or service unit.

Marginal Rate of Substitution

The measure of how much of one good a consumer can give up in favor of another, without impacting their level of well-being.