Blood Alcohol Concentration (BAC) and Toxicity Due: Friday 29th Toxicology Questions 1. Pick a category of drug and give 3 examples of that drug. 2. What is the difference between a screening test and a confirmatory test? 3. How do colour tests work? Are they used for screening or confirmation? 4. Describe how Microcrystalline tests work. 5. List 3 examples of substances that are beneficial in small quantities, but poisonous in larger doses. 6. Name three properties of toxin that influence its effect on the body. 7. What is an LD50? Based on this definition, what do you think a LD100 means? 8. What is the role of a toxicologist? What types of testing can they perform? Conversion: 1 pound (lbs) = 0.453kg 9. What is the estimated dosage needed to kill a 160-pound person based on the LD50 of sodium chloride? (LD50 of sodium chloride = 3 000 mg/kg) 10. What is the estimated dosage needed to kill a 125-pound person based on the LD50 of botulin toxin? (LD50 of botulin toxin = 0.000005 mg/kg) 11. What is the estimated dosage needed to kill a 210-pound person based on the LD50 of arsenic pentaoxide? (LD50 of arsenic pentaoxide = 8 mg/kg)