Which plant is a cycad linked to hepatic toxicity?

Get ready for the ACVPM Toxicology Exam with our comprehensive quiz. Enhance your knowledge with multiple-choice questions and detailed explanations. Prepare effectively for your certification exam!

Multiple Choice

Which plant is a cycad linked to hepatic toxicity?

Explanation:
Cycads contain a hepatotoxin called cycasin, which is metabolized to methylazoxymethanol and causes liver cell damage leading to hepatic necrosis. Ingested cycads are a classic cause of liver injury in animals and are the plant type linked to hepatic toxicity. Other options may cause toxicity in animals for different reasons (for example, certain plants cause liver injury but are not cycads; and Microcystis is a cyanobacterium, not a plant), but the characteristic hepatic toxicity associated with cycads points to Cycas.

Cycads contain a hepatotoxin called cycasin, which is metabolized to methylazoxymethanol and causes liver cell damage leading to hepatic necrosis. Ingested cycads are a classic cause of liver injury in animals and are the plant type linked to hepatic toxicity. Other options may cause toxicity in animals for different reasons (for example, certain plants cause liver injury but are not cycads; and Microcystis is a cyanobacterium, not a plant), but the characteristic hepatic toxicity associated with cycads points to Cycas.

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