<unk>  occurs when a living organism ingests<unk> .  The<unk>  ion, if used as poison, is generally delivered in the form of gaseous hydrogen<unk>  or in the form of potassium<unk>  or sodium<unk> .
Cyanide poisoning
Carbon monoxide poisoning
Strychnine poisoning
Organophosphate poisoning
Nitrogen narcosis
Nicotine poisoning
Malignant hyperthermia
Black nightshade poisoning