Ati dmmsn 650 OBPediatrics Proctored Exams
Calculation
The patient has an order for a single dose of ceftriaxone 400 mg IM. The final concentration is 500 mg/1.2 ml. How many milliliters will you administer? (Round to the nearest hundredth.)
mL
Explanation & Rationale
Step 1: Divide the ordered dose by the available dose 400 ÷ 500 = 0.8 Step 2: Multiply by the available volume 0.8 × 1.2 = 0.96
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