HESI RN Medical Surgical Nursing Related

Review HESI RN Medical Surgical Nursing related questions and content

The healthcare provider prescribes cefazolin 800 mg IM every six hours. The available vial is labeled, 'Cefazolin 1 gram,' and the instructions for reconstitution state, For IM use add 2.5 mL sterile water for Injection to provide a total volume of 3.0 mL. After reconstitution, the solution contains how many mg/mL? Enter numeric value only. If rounding is required, round to the nearest whole number.)

Correct Answer: 333

Rationale: One gram (1000 mg) reconstituted in 3.0 mL yields a concentration of 1000 mg / 3 mL = 333.33 mg/mL, rounded to 333 mg/mL.