Treatment of Poisoning & Antidotes MCQ Quiz | Miscellaneous

About This Quiz

Welcome to this specialized MCQ quiz on the Treatment of Poisoning and Antidotes, a critical topic within the MBBS curriculum. This quiz is designed to test your knowledge of emergency toxicology, including the recognition of common toxidromes, principles of patient decontamination, and the specific application of antidotes for various poisons like organophosphates, paracetamol, opioids, and heavy metals. You will face 25 challenging questions that reflect clinical scenarios and core pharmacological principles. This assessment will help you consolidate your learning and prepare for your examinations. After submitting your answers, you can review your score and see the correct responses highlighted. You can also download a complete list of all questions and their correct answers in PDF format for future revision.

1. A farmer is brought to the emergency department with symptoms of salivation, lacrimation, urination, defecation (SLUDGE), and bradycardia after pesticide exposure. Which of the following is the most appropriate initial antidote?

2. What is the primary mechanism of action of N-acetylcysteine (NAC) in treating paracetamol (acetaminophen) overdose?

3. A patient presents with respiratory depression, pinpoint pupils, and altered mental status. Opioid overdose is suspected. Which medication is the specific antagonist?

4. Flumazenil is the antidote for overdose of which class of drugs?

5. The specific chelating agent used for acute iron poisoning is:

6. A child presents with abdominal pain, constipation, and developmental regression. A diagnosis of lead poisoning is made. Which of the following is a primary chelating agent for lead?

7. In cyanide poisoning, which agent works by converting hemoglobin to methemoglobin, which has a higher affinity for cyanide?

8. Fomepizole is an effective antidote for poisoning with methanol and ethylene glycol. What is its mechanism of action?

9. A patient on warfarin therapy presents with a dangerously high INR and signs of active bleeding. Which of the following should be administered for rapid reversal?

10. Protamine sulfate is the specific antidote for an overdose of:

11. A patient with heart failure on digoxin presents with life-threatening arrhythmia and hyperkalemia. What is the most specific and effective treatment?

12. For a patient with severe bradycardia and hypotension due to beta-blocker overdose, which of the following is considered a first-line antidote?

13. In tricyclic antidepressant (TCA) overdose, what is the primary indication for administering sodium bicarbonate?

14. A patient on tuberculosis treatment develops peripheral neuropathy and seizures. Overdose of which drug is likely, and what is the antidote?

15. What is the cornerstone of treatment for a patient with carbon monoxide poisoning?

16. The antidote for methemoglobinemia is:

17. A patient presents with dry mouth, blurred vision, tachycardia, hyperthermia, and delirium. This toxidrome is characteristic of which class of substances?

18. Physostigmine is a cholinesterase inhibitor that can be used to reverse severe toxicity from which of the following agents?

19. In a patient with severe salicylate (aspirin) poisoning, what intervention is crucial for enhancing elimination and correcting acid-base disturbances?

20. Dimercaprol (BAL) is an effective chelator for which group of heavy metals?

21. Pralidoxime (2-PAM) is administered in organophosphate poisoning to:

22. Which of the following is NOT a contraindication for gastric lavage?

23. In a patient who has ingested a toxic amount of theophylline, which of the following is a key management strategy for life-threatening toxicity?

24. Hydroxocobalamin (Vitamin B12a) is an effective antidote for cyanide poisoning. Its mechanism involves:

25. A patient with Amanita phalloides (death cap mushroom) poisoning may benefit from which of the following treatments?

Author

  • G S Sachin Author Pharmacy Freak
    : Author

    G S Sachin is a Registered Pharmacist under the Pharmacy Act, 1948, and the founder of PharmacyFreak.com. He holds a Bachelor of Pharmacy degree from Rungta College of Pharmaceutical Science and Research and creates clear, accurate educational content on pharmacology, drug mechanisms of action, pharmacist learning, and GPAT exam preparation.

    Mail- Sachin@pharmacyfreak.com

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