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Question

A farmer was suspected of some unknown substance poisoning, as he presented with bronchorrhoea, sweating and excessive salivation. Examination revealed bradycardia with bilateral miosis. Consider the following statements regarding his poisoning:

1. The symptoms represent Anti-Cholinergic Syndrome.

2. Activation of Acetylcholinesterase (AChE) enzyme is the underlying mechanism.

3. Intravenous Atropine should be given for treatment.

Which of the statements given above is/are correct?

This question was previously asked in
UPSC CMS 2026 Surgery, Gynaecology & Obstetrics, and PSM Question Paper (02-Aug-2026)
The correct answer is

3 only

This presentation (bronchorrhoea, salivation, sweating, bradycardia, miosis) is the classic cholinergic (SLUDGE) syndrome of organophosphate poisoning, not an anticholinergic syndrome, so statement 1 is false. The mechanism is inhibition, not activation, of acetylcholinesterase, so statement 2 is false. IV Atropine is the correct first-line antidote, making only statement 3 correct.

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Important Questions from Chemical Poisoning

  1. The toxic effects of aluminium phosphide is due to the release of:
  2. Consider the following statements regarding organophosphate-induced delayed polyneuropathy (OPIDN) : 

    1. It is a rare complication and occurs 2 - 3 weeks after acute exposure. 

    2. It is a feature of poisoning with certain organophosphorus compounds such as triorthocresyl phosphate. 

    3. Inhibition of acetylcholinesterase causes motor polyneuropathy with no evidence of sensory loss. 

    4. There is no specific therapy although regular physiotherapy may limit deformity caused by muscle wasting. 

    Which of the statements given above are correct?

  3. A young female of 22 year old presented to the medical emergency with complaints of nausea, vomiting, abdominal pain, diarrhoea, and convulsions along with methaemoglobulinemia. What is the likely diagnosis ?
  4. Which of the following parts of the human body can be used as a sample/samples for the presence of mercury?

     1. Blood 

    2. Hair 

    3. Nail

     Select the correct answer using the code given below:

  5. Consider the following statements: 

    1. All organochlorine pesticides (OCPs) enter the human bodies through food chain only. 

    2. Some of the OCPs are categorized as Persistent Organic Pollutants. 

    Which of the statements given above is/are correct?

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