Practice Question
A nurse is preparing to administer cefadroxil oral suspension 15 mg/kg PO for one dose to a client who weighs 98 lb. Available is cefadroxil 250 mg/5 ml.. How many mL will be administered? Round to the nearest tenth.
Answer Choices:
Correct Answer:
13.4
Rationale:
✍️Convert lb to kg (use 2.2)
✔️ Formula: kg = lb ÷ 2.2
✔️98 lb ÷ 2.2
44.5 kg (rounded)
✍️Calculate the ordered dose (mg)
✔️Formula: Dose (mg) = mg/kg × kg
✔️15 mg/kg × 44.5 kg
667.5 mg
✍️Convert available concentration to mg/mL
✔️250 mg ÷ 5 mL
50 mg/mL
✍️Find mL to administer
✔️ Formula: mL = Ordered dose (mg) ÷ Concentration (mg/mL)
✔️ mL = 667.5 mg ÷ 50 mg/mL
13.35 mL
✍️Rounded to the nearest tenth
✔️13.4 mL
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This question is from ☑️ EXAMPLIIFY FINAL EXAM FALL 2025 which contains 34 questions.
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Question Details
- Category: RN Nursing Exam(s)
- Subcategory: Examplify Exam(s)
- Domain: Pharmacology
- Answer Choices: 1