Pedro Is at a Party and Has Taken a Substance

question 22

Multiple Choice

Pedro is at a party and has taken a substance that has made him euphoric and disinhibited; he then experiences lethargy, loss of coordination and other signs of central nervous system depression. He has most likely taken:

• A) amphetamines.
• B) cocaine.
• C) benzodiazepines.
• D) phencyclidine.

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Definitions:

Hydrogen Ions

Positively charged ions (H+) that are formed when hydrogen loses its electron and are involved in acid-base balance in the body.

ATP Production

The process by which cells generate adenosine triphosphate (ATP), the primary carrier of energy within cells.

Chemiosmosis

A process by which ATP is generated in the mitochondria through the movement of hydrogen ions across a membrane.

Inner Mitochondrial Membrane

The membrane inside mitochondria that is the site of the electron transport chain and ATP (adenosine triphosphate) production.