Dan Has Felt Generally Sad for as Long as He

question 52

Multiple Choice

Dan has felt generally sad for as long as he can remember. He can't remember a time when he felt happy. Dan's friends tease him and call him Downer Dan, although Dan doesn't really find it funny. Dan's symptoms BEST align with _____ disorder.

• A) bipolar
• B) persistent depressive
• C) obsessive-compulsive
• D) major depressive

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Definitions:

Gas Exchange

The process of exchanging oxygen and carbon dioxide between an organism and its environment, fundamental for respiration in living beings.

Larynx

The voice box located in the throat responsible for vocalization, breathing, and protecting the trachea against food aspiration.

Inhaled Dirt

Microscopic particles from the environment that are drawn into the respiratory system during breathing.

Bacteria

Microorganisms that are single-celled and can exist either as independent organisms or as parasites.