An 18-Year-Old Man Who Had Been Found Unresponsive and Face

question 42

Multiple Choice

An 18-year-old man who had been found unresponsive and face down in his bed after spending the day working in his garage is brought to the hospital emergency department.He had not responded to naloxone administration given by the paramedics.His history reveals that he was despondent over the recent death of his father,with whom he enjoyed restoring antique automobiles.Laboratory results indicate negative serum acetone,elevated serum urea and creatinine,normal PO₂,decreased bicarbonate,increased PCO₂,and increased osmol gap and anion gap.Urinalysis indicated many oxalate crystals.Based on these laboratory results and the likely compound that has affected this individual,what are the metabolizing enzyme and the metabolite(s) formed from the toxic compound?

• A) CYP2D6; morphine
• B) Alcohol dehydrogenase; glycolic and oxalic acids
• C) Alcohol hydroxylase; acetone
• D) Aldehyde dehydrogenase; formaldehyde

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Definitions:

Unacceptable Impulses

Thoughts or desires that are often viewed as inappropriate or socially unacceptable, which can cause distress if not managed.

Displacement

In psychology, a defense mechanism where mind substitutes a new aim or object for goals felt in their original form to be dangerous or unacceptable.

Psychosexual Development

Psychosexual development is a Freudian concept describing how personality develops through stages centered on erogenous zones from infancy to adulthood.

Oral Stage

A term from Freudian psychoanalysis referring to the first stage of psychosexual development, focusing on pleasure centers around the mouth.