Benzoylecgonine is a urinary metabolite used to indicate exposure to which drug?

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Study for the Ciulla Clinical Chemistry Test. Enhance your knowledge with flashcards and multiple-choice questions. Prepare for the exam with comprehensive study materials and detailed explanations for each question.

Multiple Choice

Benzoylecgonine is a urinary metabolite used to indicate exposure to which drug?

Explanation:
Benzoylecgonine is the urinary metabolite that signals cocaine exposure. When cocaine is processed in the body, it is rapidly broken down, and benzoylecgonine is formed and excreted in urine. This metabolite is more stable and detectable for a longer period than cocaine itself, making it a reliable marker for cocaine use in drug screens. Other drugs listed have different metabolic byproducts, so finding benzoylecgonine specifically points to cocaine rather than codeine, amphetamine, or propoxyphene.

Benzoylecgonine is the urinary metabolite that signals cocaine exposure. When cocaine is processed in the body, it is rapidly broken down, and benzoylecgonine is formed and excreted in urine. This metabolite is more stable and detectable for a longer period than cocaine itself, making it a reliable marker for cocaine use in drug screens. Other drugs listed have different metabolic byproducts, so finding benzoylecgonine specifically points to cocaine rather than codeine, amphetamine, or propoxyphene.

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