Toxicology and Overdose Management — MCQs

A 2-year-old boy presents with fever for 3 days which responded to paracetamol. Three days later, he developed acute renal failure, marked acidosis, and encephalopathy. His urine showed plenty of oxalate crystals. The blood anion gap and osmolal gap were increased. Which of the following is the most likely diagnosis?

In methyl alcohol poisoning, CNS depression, cardiac depression, and optic nerve atrophy result from the production of which of the following metabolites?

A 20-year-old man is brought to the hospital emergency department by a friend who found him unconscious in his apartment after trying to contact him for 3 days. On arrival, the patient is in a state of respiratory depression. He experiences convulsions for 2 minutes, followed by cardiac arrest. Advanced cardiac life support measures are instituted, and he is stabilized and intubated. On physical examination, there are needle tracks in the left antecubital fossa, miosis, and a loud diastolic heart murmur. His temperature is 39.2 deg C. Use of which of the following substances by this man most likely produced these findings?

Which clinical finding is indicative of raindrop pigmentation?

A 42-year-old man presents with sudden-onset diarrhea and nausea after consuming fish at a barbeque. The following day, he develops a left wrist drop and bradycardia (pulse 56/min). His pupils are normal and he has no difficulty eating. What is the most appropriate management for this patient's condition?