A client who weighs 76.5 kg is ordered hydromorphone 0.2 mg/kg/day intravenous push divided as needed every 6 hours. Available supply is 1 mg/mL. How many milliliters would the nurse administer in one dose? Round the answer to the nearest tenths place. Record the numeric answers only.

Step 1: Calculate total daily dose 0.2 mg × 76.5 kg = 15.3 mg/day Step 2: Determine number of doses per day (every 6 hours → 4 doses/day) 15.3 mg ÷ 4 = 3.825 mg per dose Step 3: Convert to milliliters (1 mg/mL) 3.825 mg ÷ 1 mg/mL = 3.825 mL Step 4: Round to nearest tenth = 3.8 mL