A nurse is preparing to administer ceftazidime 750 mg IM. Available is ceftazidime 1 g vial.
The nurse reconstitutes the medication to yield a final concentration of ceftazidime 280 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 ["2.7 "]
Volume (mL) = Desired dose / Concentration
Volume (mL) = 750 mg / 280 mg/mL
Volume (mL) rounded off to the nearest tenth ≈ 2.7 mL
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["50"]
Explanation
Total daily dose = 200 mg Frequency = Every 6 hours Total number of doses =24/6
=4 doses
Total dose = 200mg Per dose= 200mg/4
= 50mg
So, the nurse should administer 50 mg per dose.
Correct Answer is ["2"]
Explanation
Given:
- Desired dose of ibuprofen: 200 mg
- Available strength of ibuprofen oral suspension: 100 mg/5 mL
First, find out the concentration of ibuprofen in mg/mL:
Concentration = 100 mg / 5 mL Concentration = 20 mg/mL
Now, calculate how many milliliters (mL) of ibuprofen oral suspension are needed to achieve the desired dose:
Volume (mL) = Desired dose / Concentration Volume (mL) = 200 mg / 20 mg/mL
Volume (mL) = 10 mL
Since 1 teaspoon (tsp) is approximately 5 milliliters (mL), the nurse should instruct the client to take:
Number of teaspoons = Volume (mL) / 5 mL per tsp Number of teaspoons = 10 mL / 5 mL per tsp Number of teaspoons = 2 tsp
So, the nurse should instruct the client to take 2 teaspoons of ibuprofen oral suspension.
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