Ethanol and Methanol Poisoning
- Previous year questions on Ethanol and Methanol Poisoning for NEET PG (National Eligibility cum Entrance Test - Postgraduate), from the Forensic Medicine section of the exam.
- Most questions here come from previous-year papers of Indian postgraduate medical entrance and licensing exams; where a paper and year are recorded the question carries them. The image-based questions are original vignettes written around an openly licensed figure, and were never asked in any exam.
- 15 live questions in Ethanol and Methanol Poisoning.
- 1 of 15 questions carries a verified exam year: 2017.
- Forensic Medicine is worth about 10 of 300 questions on the exam. See every subject’s weightage.
- Question set last updated 28 Aug 2026.
Q1.All the following statements are true regarding methyl alcohol poisoning except
- AIt is characterized by high anion gap acidosis
- BIt causes ocular toxicity
- CIt causes high osmolal gap
- DConcurrent ethanol ingestion worsens the clinical features✓ Correct answer
Q2.Which of these is the best for management of methanol poisoning?
- AAcamprosate
- BFomepizole✓ Correct answer
- CDisulfiram
- DNaltrexone
Q3.A 7 years girl, parents gave a history of fever for which she was treated with Paracetamol following which the fever subsided. Later she developed seizures and altered sensorium. The urine examination revealed oxalate crystals on microscopy, Blood anion gap and osmolality were increased. The diagnosis is
- ALactic acidosis
- BEthylene glycol poisoning✓ Correct answer
- CRenal tubular acidosis
- DParacetamol poisoning
Q4.All are true for the following about methanol poisoning EXCEPT:
- AFomepizole is a competitive inhibitor of aldehyde dehydrogenase✓ Correct answer
- BMinimum lethal dose of methanol is 1.25 ml/kg body weight
- CFormic acid is mainly responsible for toxicity
- DMethanol causes snow field vision
Q5.A young patient presented to casualty with a history of some substance abuse. His pulse was 130 beats per minute and respiratory rate was 30 per minute. Blood gas analysis revealed metabolic acidosis and his urea was 100 mg/dL and creatinine was 4 mg/dL. Urinalysis revealed calcium oxalate crystals. He improved symptomatically after management with intravenous fluids, gastric lavage, sodium bicarbonate, calcium gluconate and 4-methylpyrazole administration. What is the most likely substance that he consumed?
- AFormaldehyde
- BMethyl alcohol
- CEthylene glycol✓ Correct answer
- DParaldehyde
Q6.In relation to Ethylene glycol poisoning
- AIt may present with an acute ascending motor and sensory neuropathy✓ Correct answer
- BA normal anion gap acidosis is usually seen
- CAlcohol dehydrogenase catabolises the metabolism of EG into metabolites including oxalate and glycolic acid
- DHaemodialysis is not effective
Q7.Optic atrophy can be caused by poisoning -a) Phosphorusb) Ethyl alcoholc) Methyl alcohol d) Lead
- Abc✓ Correct answer
- Bc
- Cac
- Dad
Q8.A 39 year old Carpenter has taken two bottles of liquor from the local shop. After about and hour, he develops confusion, vomiting and blurring of vision. He has been brought to the emergency depament. He should be given
- ANaloxone
- BDiazepam
- CFlumazelnil
- DEthyl alcohol✓ Correct answer
Q9.The legal responsibilities of an intoxicated person is given under Section of IPC
- A82
- B83
- C84
- D85✓ Correct answer
Q10.All of the following are true about methanol poisoning except:
- AFomepizole is a competitive inhibitor of aldehyde dehydrogenase✓ Correct answer
- BToxic level of methanol is 1.25 gm/kg body weight
- CFormic acid is mainly responsible for toxicity
- DMethanol causes obscured snowy vision
Answer key
Q1: D. Concurrent ethanol ingestion worsens the clinical features; Q2: B. Fomepizole; Q3: B. Ethylene glycol poisoning; Q4: A. Fomepizole is a competitive inhibitor of aldehyde dehydrogenase; Q5: C. Ethylene glycol; Q6: A. It may present with an acute ascending motor and sensory neuropathy; Q7: A. bc; Q8: D. Ethyl alcohol; Q9: D. 85; Q10: A. Fomepizole is a competitive inhibitor of aldehyde dehydrogenase.
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