If clozapine (Clozaril) therapy is being considered, the nurse should evaluate which laboratory test to establish a baseline for comparison in order to recognize a potentially life-threatening side effect?
A. White blood cell count
B. Liver function studies
C. Creatinine clearance
D. Blood urea nitrogen
ANS: A
The nurse should establish a baseline white blood cell count to evaluate a potentially life-threatening side effect if clozapine (Clozaril) is being considered as a treatment option. Clozapine can have a serious side effect of agranulocytosis, in which a potentially fatal drop in white blood cells can occur.
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