2017.1 : SAQ 4

Outline the genetic variations in the cytochrome P450 2D6 enzyme and discuss the clinical relevance for drugs used in the perioperative period.

BT_GS 1.20

This enzyme is responsible for much of the variation in efficacy and toxicity of some commonly used drugs.

This enzyme metabolises tramadol into a more active metabolite   TRUE/FALSE

Ondansetron may be ineffective with poor metabolisers  TRUE/FALSE

Patients from the middle east are more likely to be ultrarapid metabolisers  TRUE/FALSE

Approximately 90% of caucasians are poor metabolisers  TRUE/FALSE

This enzyme metabolises codeine into a more active metabolite  TRUE/FALSE

 

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