A Client Is Ordered to Receive Phenytoin (Dilantin)

question 11

Multiple Choice

A client is ordered to receive phenytoin (Dilantin) . The client's serum phenytoin level is noted to be 15 mcg/mL. How does the nurse interpret this level?

• A) 5 to 10 mcg/mL is subnormal.
• B) 8 to 15 mcg/mL is above normal.
• C) 10 to 20 mcg/mL is therapeutic.
• D) 15 to 30 mcg/mL is toxic.

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