A nurse is preparing to administer cefazolin 250 n IM to a client. Available is cefazolin powder for injection 500 mg vial. The nurse reconstitutes the powder with 2 mL of sterile water for a concentration of 225 mg/mL. How many mL should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["1.1"]
Determine the desired dosage:
The nurse needs to administer 250 mg of cefazolin.
Determine the volume per dose:
The concentration of the reconstituted cefazolin solution is 225 mg/mL.
The nurse needs to administer 250 mg per dose.
To find the volume per dose:
225 mg / 1 mL = 250 mg / x mL
Cross-multiplying gives us:
225x = 250
Dividing both sides by 225, we get:
x = 1.111 mL
Round the answer to the nearest tenth:
Rounding 1.111 to the nearest tenth gives us 1.1 mL.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["7.5"]
Explanation
Determine the desired dosage:
The nurse needs to administer 0.375 mg of digoxin.
Determine the volume per dose:
The digoxin elixir contains 0.05 mg per 1 mL.
The nurse needs to administer 0.375 mg per dose.
To find the volume per dose, we can set up a proportion:
0.05 mg / 1 mL = 0.375 mg / x mL
Cross-multiplying gives us:
0.05x = 0.375
Dividing both sides by 0.05, we get:
x = 7.5 mL
Correct Answer is ["75"]
Explanation
The question asks for the total volume of medication in the container after reconstitution. This information is directly provided on the medication label.
According to the label, the total volume of medication after reconstitution is 75 mL.
Therefore, the nurse should administer 75 mL of the reconstituted amoxicillin/clavulanate oral suspension.
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