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Questions and Answers
Which mushroom toxin acts as a GABA-receptor agonist and is mildly hallucinogenic?
Which mushroom toxin inhibits RNA polymerase II and protein synthesis?
Which mushroom toxin causes renal tubular necrosis?
Which mushroom toxin stimulates M1 and M2 types of postganglionic cholinergic receptors?
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Which complication of mushroom toxicity may involve loss of airway protective reflexes?
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Study Notes
Plant Toxicity
- A poisonous plant is a plant that can be harmful or fatal to an organism when touched or ingested in sufficient quantity.
Examples of Poisonous Plants
- Mushroom
- Foxglove
- Castor bean
- Free tobacco
Mushroom Toxicity
- Mushroom toxicity occurs after ingesting mushrooms that contain toxins, which can be mistaken for non-toxic mushrooms.
- Only about 100 out of thousands of mushroom species can cause symptoms when eaten by humans.
- Only 15-20 mushroom species are potentially lethal when ingested.
Challenges in Identifying Poisonous Mushrooms
- There is no simple rule to distinguish edible mushrooms from poisonous ones.
- Over 95% of mushroom toxicity cases occur due to misidentification of poisonous mushrooms with edible ones.
Classification of Mushroom Poisoning
Early Symptom Category
- Symptoms develop within the first 6 hours of ingestion.
- Includes gastrointestinal, allergic, and neurologic syndromes.
Late Symptom Category and Delayed Symptom Categories
- Not specified in the text.
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Description
Explore the harmful effects of poisonous plants and the dangers associated with mushroom toxicity. Learn about the symptoms and reactions caused by ingesting or touching toxic plants.
