Animal Poisons (Snake, Scorpion etc.) MCQ Quiz | Clinical Toxicology

Welcome to the Clinical Toxicology quiz on Animal Poisons, specifically designed for MBBS students. This module covers the critical aspects of envenomation from snakes, scorpions, and other venomous creatures commonly encountered in clinical practice. This quiz, consisting of 25 multiple-choice questions, will test your knowledge on the pathophysiology, clinical manifestations, differential diagnosis, and, most importantly, the latest management protocols, including first aid, antivenom therapy, and supportive care. A thorough understanding of this topic is vital for timely and effective intervention to reduce morbidity and mortality. After completing the quiz, you can review your performance and download a PDF document containing all the questions along with their correct answers for your future reference and revision.

1. Which of the following is NOT one of the “Big Four” medically significant venomous snakes in India?

2. A patient presents with bilateral ptosis, dysphagia, and descending paralysis after a snakebite with minimal local signs. Which snake is most likely responsible?

3. The 20-minute whole blood clotting test (20WBCT) is primarily used to detect envenomation by which type of snake?

4. Which of the following first aid measures is strongly discouraged for a snakebite victim?

5. The administration of Neostigmine and Atropine is beneficial in the management of envenomation by which snake?

6. A patient stung by a red scorpion (Mesobuthus tamulus) presents with excessive salivation, sweating, priapism, and hypertension. This clinical syndrome is described as:

7. What is the drug of choice for managing hypertension and preventing myocardial dysfunction in a severe scorpion sting?

8. Massive local swelling, blistering, and ecchymosis are hallmark features of envenomation by which type of snake?

9. A “dry bite” in the context of a venomous snakebite refers to a bite where:

10. Acute Kidney Injury (AKI) is a common and severe complication following a bite from which snake?

11. What is the mechanism of action of neurotoxins in cobra venom (e.g., α-cobratoxin)?

12. A patient develops urticaria, bronchospasm, and hypotension 15 minutes after receiving Anti-Snake Venom (ASV). What is the immediate management?

13. Sea snake venom is predominantly:

14. What is the role of fasciotomy in the management of snakebite-induced limb swelling?

15. The venom of the black widow spider (Latrodectus) primarily causes its effects by:

16. The primary mechanism of venom-induced consumption coagulopathy (VICC) seen in viper bites is:

17. A key differentiating feature between a cobra bite and a krait bite is that:

18. First aid for a jellyfish sting should primarily involve:

19. Which snake venom component is responsible for the severe pain at the bite site?

20. Anaphylaxis following a bee sting is a Type I hypersensitivity reaction mediated by:

21. The most reliable sign of systemic envenomation after a snakebite is:

22. What is the role of Tetanus Toxoid administration in a patient with a snakebite?

23. Serum sickness is a delayed complication of Anti-Snake Venom (ASV) therapy, typically occurring:

24. A patient is bitten by a Hump-nosed pit viper (Hypnale hypnale). Which of the following is the most likely clinical presentation?

25. The principle of polyvalent antivenom produced in India is that it contains antibodies raised against the venoms of:

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