A Patient Is Prescribed a Trough Blood Level to Evaluate

question 37

Multiple Choice

A patient is prescribed a trough blood level to evaluate the therapeutic effect of an antibiotic. When should the nurse schedule this blood test to be drawn?

• A) a few minutes before the next scheduled dose of medication
• B) 1-2 hours after the oral administration of the medication
• C) 30 minutes after the intravenous administration of the medication
• D) during the infusion of the antibiotic