Nurse Aide NNAAP Exam Prep

Category - Pharmacological

A client prescribed phenytoin (Dilantin) had his blood drawn for routine monitoring of his serum phenytoin level. The laboratory result reveals a serum level of 18 mcg/ml. The nurse interprets that the client’s serum phenytoin level:
  1. Is below the normal range
  2. Is within the normal range
  3. Is above the normal range
  4. Needs further assessment
Explanation
Answer: B - The therapeutic serum level for phenytoin is between 10 and 20 mcg/ml. The client’s serum level is within the normal range.
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