Neuromuscular Blockers · Pharmacology

Which enzyme is responsible for the metabolism of succinylcholine in plasma?

  1. Acetylcholinesterase
  2. Monoamine oxidase
  3. Pseudocholinesterase
  4. Catechol-O-methyltransferase
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Correct answer: Pseudocholinesterase

Succinylcholine is rapidly hydrolyzed by plasma pseudocholinesterase (butyrylcholinesterase). Variations or deficiencies in this enzyme can prolong the drug’s effects.

Difficulty: Medium Question 6 of 20

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