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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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Tetraethyl ammonium acts by blocking which of the following channels?
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The correct answer is  C i.e. K+Ref: 12th edition, page 272Explanation:TetraethylammoniumGanglionic blocker which blocks voltage-gated K+ channels.Tried previously for treatment of Phantom Limb.Marshall first described the "nicotine-paralyzing" action of Tetraethylammonium (TEA) on ganglia in 1913.TEA was largely overlooked until the effects of the ion on the cardiovascular system and autonomic ganglia were analyzed.It is of historical importance only.