Greg Is Using the Most Frequently Used Psychoactive Drug in the United

question 519

Multiple Choice

Greg is using the most frequently used psychoactive drug in the United States, which is

• A) marijuana.
• B) cocaine.
• C) alcohol.
• D) caffeine.

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Definitions:

Carbon Dioxide Retention

The inability to expel carbon dioxide effectively from the body, typically due to respiratory disorders.

Surfactant Production

The process of producing a substance in the lungs that reduces surface tension within the air sacs, aiding in proper lung function and gas exchange.

Respiratory Distress Syndrome

A serious condition most commonly seen in premature infants, where the lungs are not fully developed, leading to difficulty breathing.

Alveoli

Tiny air sacs within the lungs where the exchange of oxygen and carbon dioxide takes place.