Peroxyacetyl Nitrate, Called PAN for Short, Is a Powerful Lachrymator

question 22

Multiple Choice

Peroxyacetyl nitrate, called PAN for short, is a powerful lachrymator. A lachrymator is

• A) a greenhouse gas.
• B) a product of incomplete combustion.
• C) an agent that induces drowsiness.
• D) a cancer causing agent.
• E) a tear producer.

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Definitions:

Atypical

Deviating from what is usual or normal; not typical.

Peripartum Onset

Subtype of major depressive or manic episode used when the episode occurs during pregnancy or in the 4 weeks after childbirth.

Melancholic Features

Characteristics of depression that include profound sadness, despair, and a lack of pleasure in all or almost all activities.

Atypical Features

Refers to a subtype of depression or mood disorders that have specific characteristics not usually found in typical presentations, such as mood reactivity.