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
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Chew the medication thoroughly. - Nitroglycerin tablets should not be chewed or swallowed.
B. Drink 8 oz of water with the medication. - Nitroglycerin tablets are typically taken sublingually (under the tongue) without water.
C. Take the medication with food. - Nitroglycerin is usually taken on an empty stomach to facilitate rapid absorption.
D. Place the medication under the tongue. - Correct. Nitroglycerin tablets are administered sublingually to facilitate rapid absorption into the bloodstream.
Correct Answer is ["1.1 "]
Explanation
Given:
- Desired dose of cefazolin: 250 mg
- Reconstituted concentration of cefazolin: 225 mg/mL
First, calculate the volume of the reconstituted solution needed to administer the desired dose:
Volume (mL) = Desired dose / Concentration
Volume (mL) = 250 mg / 225 mg/mL Volume (mL) ≈ 1.11 mL
So, the nurse should administer approximately 1.1 mL of the reconstituted cefazolin solution.
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