Opioid renal failure — DGM MCQ
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Correct answer: A — Morphine
Morphine metabolites accumulate in severe renal impairment and can cause drowsiness and myoclonus. Senna, metoclopramide, paracetamol and mouth care do not explain opioid neurotoxicity as directly. Renal function should guide opioid choice in palliative care.
Reference: BNF; palliative care guidance