NAPLEX (North American Pharmacist Licensure Examination) Practice Exam

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Study for the NAPLEX exam with a comprehensive quiz featuring multiple-choice questions and in-depth explanations. Build your pharmacological knowledge and increase your chances of passing the pharmacist licensure examination!

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Which drug is known to cause blue discoloration of the body fluids?

  1. Mitoxantrone

  2. Doxorubicin

  3. Etoposide

  4. Bleomycin

The correct answer is: Mitoxantrone

Mitoxantrone (A) is a chemotherapeutic drug that is known to cause blue-green discoloration of the urine, tears, and sweat. This discoloration is caused by the drug's metabolite, which has a blue color. This side effect is not seen with other drugs like Doxorubicin (B), Etoposide (C), or Bleomycin (D). Doxorubicin may cause a red discoloration of urine, but not blue. Etoposide may cause a yellow or pink discoloration of urine or saliva, but not blue. Bleomycin does not cause any discoloration of body fluids.