NAVLE: TOXICOLOGY EXAM
QUESTIONS AND ANSWERS GRADED A+
2025/2026
Acetaminophen will kill a: - ANS Cat
(there is no safe dose)
Acetaminophen & ibuprofen are toxic to: - ANS Ferrets
Acetaminophen is tolerated in dogs up to: - ANS 15 mg/kg PO TID
Antidote for Acetaminophen toxicity: - ANS Acetylcysteine
Rabbits can tolerate up to __________ of Acetaminophen - ANS 200-500 mg/kg
(& are resistant to hepatotoxic effects)
Aspirin can be given to: - ANS Dogs
(less frequently given to cats)
-Well tolerated in herbivores (horses), but not as well in carnivores (cats)
Ursodiol is toxic to: - ANS Hindgut fermenters (rabbits & horses)
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
, Xylitol is toxic to: - ANS Dogs (& ferrets), (not cats)
(found in chewing gum, peanut butter, & human meds: gabapentin liquid, meloxicam liquid,
omeprazole powder)
Xylitol effects: - ANS - 0.1 gram/kg causes hypoglycemia
- 0.5 grams/kg causes acute liver failure
(1 piece of gum = 0.3 grams)
Prolonged cumulative effects of certain drugs in cats b/c deficient in: -
ANS Glucuronyltransferase enzymes (for glucuronidation of drugs)
Oral antibiotics that kill gram pos bacteria are toxic to: - ANS -Adult horses
-Rabbits (Clindamycin)
Minimum lethal dose for ethylene glycol in cats & dogs: - ANS Cats: 1.5 mL/kg
Dogs: 4.4-6.6 mL/kg
Antidote for ethylene glycol - ANS 4-Methylpyrazole (Fomepizole)
Effect of oral diazepam in cats: - ANS Hepatic necrosis
What drug can cause esophageal lesions in cats: - ANS Oral dry tablet doxycycline
Permethrins are toxic to: - ANS Cats
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
QUESTIONS AND ANSWERS GRADED A+
2025/2026
Acetaminophen will kill a: - ANS Cat
(there is no safe dose)
Acetaminophen & ibuprofen are toxic to: - ANS Ferrets
Acetaminophen is tolerated in dogs up to: - ANS 15 mg/kg PO TID
Antidote for Acetaminophen toxicity: - ANS Acetylcysteine
Rabbits can tolerate up to __________ of Acetaminophen - ANS 200-500 mg/kg
(& are resistant to hepatotoxic effects)
Aspirin can be given to: - ANS Dogs
(less frequently given to cats)
-Well tolerated in herbivores (horses), but not as well in carnivores (cats)
Ursodiol is toxic to: - ANS Hindgut fermenters (rabbits & horses)
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
, Xylitol is toxic to: - ANS Dogs (& ferrets), (not cats)
(found in chewing gum, peanut butter, & human meds: gabapentin liquid, meloxicam liquid,
omeprazole powder)
Xylitol effects: - ANS - 0.1 gram/kg causes hypoglycemia
- 0.5 grams/kg causes acute liver failure
(1 piece of gum = 0.3 grams)
Prolonged cumulative effects of certain drugs in cats b/c deficient in: -
ANS Glucuronyltransferase enzymes (for glucuronidation of drugs)
Oral antibiotics that kill gram pos bacteria are toxic to: - ANS -Adult horses
-Rabbits (Clindamycin)
Minimum lethal dose for ethylene glycol in cats & dogs: - ANS Cats: 1.5 mL/kg
Dogs: 4.4-6.6 mL/kg
Antidote for ethylene glycol - ANS 4-Methylpyrazole (Fomepizole)
Effect of oral diazepam in cats: - ANS Hepatic necrosis
What drug can cause esophageal lesions in cats: - ANS Oral dry tablet doxycycline
Permethrins are toxic to: - ANS Cats
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
