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Toxicology — MCQs Biology

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1. Toxicology is the study of:





2. A toxin is:





3. A toxicant is:





4. Dose-response relationship in toxicology shows:





5. LD50 refers to:





6. LC50 refers to:





7. Acute toxicity refers to:





8. Chronic toxicity refers to:





9. Xenobiotics are:





10. The main organs involved in detoxification are:





11. Biotransformation in toxicology refers to:





12. Phase I biotransformation reactions include:





13. Phase II biotransformation reactions include:





14. Bioaccumulation refers to:





15. Biomagnification refers to:





16. Neurotoxins affect:





17. Hepatotoxins affect:





18. Nephrotoxins affect:





19. Hemotoxins affect:





20. Cytotoxins affect:





21. Carcinogens are substances that:





22. Mutagens are substances that:





23. Teratogens are substances that:





24. Carcinogenesis involves:





25. Mechanism of toxicity can include:





26. Poisoning by organophosphates primarily inhibits:





27. Carbon monoxide poisoning results from:





28. Heavy metals like lead and mercury act as:





29. Toxicology studies include:





30. Poisoning can occur via:





31. LD50 value helps to:





32. Toxic effects of chemicals can be:





33. Synergistic effect occurs when:





34. Antagonistic effect occurs when:





35. Detoxification of poisons can involve:





36. Cyanide poisoning inhibits:





37. Methanol poisoning primarily affects:





38. Alcohol toxicity mainly affects:





39. Dose threshold in toxicology refers to:





40. Acute poisoning symptoms can include:





41. Chronic poisoning symptoms may include:





42. Poisoning diagnosis involves:





43. Treatment of poisoning may include:





44. Activated charcoal is used in poisoning to:





45. Chelation therapy is used to treat:





46. Paracetamol overdose can cause:





47. Pesticide poisoning affects:





48. Toxicology testing can include:





49. Toxicokinetics studies:





50. Toxicodynamics studies:





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