A Client with Breast Cancer Has Had Genetic Testing That

A client with breast cancer has had genetic testing that shows she is a CYP2D6 ultra-rapid metabolizer.How would the nurse explain this result?

A) "You do not have the functional enzyme to break down tamoxifen."
B) "Your ability to break tamoxifen down to active metabolites is normal."
C) "Your body will break down tamoxifen to its active metabolites very quickly,which increases your ability to fight your cancer."
D) "You will break tamoxifen down so quickly that it will be metabolized out of your system before it can work on cancer cells."