Laudanosine is metabolite of-
**Core Concept**
Laudanosine is a metabolite of an anticholinergic medication that is used in the treatment of myasthenia gravis. It is an alkaloid compound that affects the central nervous system.
**Why the Correct Answer is Right**
Laudanosine is a metabolite of cisatracurium, a non-depolarizing neuromuscular blocking agent. Cisatracurium is metabolized by Hofmann elimination, a chemical reaction that breaks down the molecule into laudanosine and other metabolites. Laudanosine is then further metabolized by the liver and excreted in the urine.
**Why Each Wrong Option is Incorrect**
**Option A:** This option is incorrect because laudanosine is not a metabolite of succinylcholine, a depolarizing neuromuscular blocking agent.
**Option B:** This option is incorrect because laudanosine is not a metabolite of rocuronium, a non-depolarizing neuromuscular blocking agent.
**Option C:** This option is incorrect because laudanosine is not a metabolite of vecuronium, a non-depolarizing neuromuscular blocking agent.
**Clinical Pearl / High-Yield Fact**
It's essential to know the metabolism of neuromuscular blocking agents to understand their potential side effects, such as Laudanosine-induced central nervous system effects.
**Correct Answer: D. Cisatracurium.