HESI RN
HESI RN Medical Surgical Nursing Questions
Extract:
Question 1 of 5
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.
Question 2 of 5
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Question 3 of 5
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Question 4 of 5
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Question 5 of 5
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