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Toxins and Poisons

Here is a list of descriptions of the affect of the toxin, can you name which ones are being described.
Quiz by MedSoc
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Last updated: December 28, 2017
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First submittedDecember 28, 2017
Times taken39
Average score21.4%
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Hint
Answer
Blocks glycine release in CNS, by binding to receptors in the brain stem and spinal chord.
Tetanus
Blocks glycine receptors, resulting in muscle spasms.
Strychnine
Blocks Nicotinic Ach receptors.
Curare
Agonist at nicotinic Ach receptors.
Nicotine
From fungi, overstimulates muscarinic Ach receptors.
Muscarine
From nightshade, competitively inhibits muscarinic Ach receptors.
Atropine
From snakes, binds and blocks nicotinic receptors.
Alpha-bungarotoxin
Hint
Answer
Binds to presynaptic receptors and prevents release of Ach vesicles.
Botulinum toxin
Black widow spider venom, causes over release of Ach.
Alpha-Latrotoxin
Antibodies against Ach receptors.
Myasthenia gravis
Inhibits mitochondrial cytochrome oxidase and blocks oxidative metabolism.
Cyanide
Inhibits Na/K ATPase.
Ouabain
Voltage gated Na channel blocker.
Tetrodotoxin
Gaseous form burns eyes and lungs. Liquid form seeps through skin and breaks down bones.
Hydrofluoric acid
1 Comments
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Bletsch
+1
Level 67
Jun 20, 2023
Myasthenia gravis is a disease, not a poison, right?
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