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Anaesthesia General b99bfeb5

Dibucain number refers to ?

A
Ach cholinestrase activity derangement
B
Potency of muscle relaxants
C
Potency of general anaesthetics
D
None
High-Yield Explanation
Ans. is 'a' i.e., Ach chlinestrase activity derangement Dibucain number : Dibucain (a local anaesthetic) inhibits 80% of normal pseudocholinesterase and 20% of atypical (non-functional) pseudocholinesterase. Therefore normal dibucain number is 70-80%. Dibucain number is used to measure the activity of atypical pseudocholinesterase.

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