Statistics for Toxins and Poisons

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Hint	Answer	% Correct
Inhibits mitochondrial cytochrome oxidase and blocks oxidative metabolism.	Cyanide	76%
Blocks glycine receptors, resulting in muscle spasms.	Strychnine	38%
Binds to presynaptic receptors and prevents release of Ach vesicles.	Botulinum toxin	28%
From nightshade, competitively inhibits muscarinic Ach receptors.	Atropine	24%
Agonist at nicotinic Ach receptors.	Nicotine	24%
Gaseous form burns eyes and lungs. Liquid form seeps through skin and breaks down bones.	Hydrofluoric acid	14%
Voltage gated Na channel blocker.	Tetrodotoxin	14%
From fungi, overstimulates muscarinic Ach receptors.	Muscarine	10%
Blocks Nicotinic Ach receptors.	Curare	7%
Blocks glycine release in CNS, by binding to receptors in the brain stem and spinal chord.	Tetanus	7%
From snakes, binds and blocks nicotinic receptors.	Alpha-bungarotoxin	3%
Black widow spider venom, causes over release of Ach.	Alpha-Latrotoxin	3%
Antibodies against Ach receptors.	Myasthenia gravis	3%
Inhibits Na/K ATPase.	Ouabain	0%