A physician gives the following order: "Infuse 0.9% sodium chloride solution, 2.5 L over 15 hours." What is the mL/hr flow rate for continuous infusion?

41.67 mL/hr

166.67 mL/hr

250 mL/hr

1000 mL/hr

Answer and Explanation

The Correct Answer is B

To calculate the flow rate in mL/hr for a continuous infusion, we need to divide the total volume to be infused by the total time of infusion, and then convert the units as necessary.

In this case, the total volume is 2.5 L, which is equivalent to 2500 mL (1 L = 1000 mL), and the total time is 15 hours.

Flow rate = Total volume to be infused / Total time of infusion Flow rate = 2500 mL / 15 hours

Flow rate = 166.67 mL/hr

Therefore, the flow rate for continuous infusion of 0.9% sodium chloride solution in this case is 166.67 mL/hr.

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Correct Answer is C

Explanation

To calculate the dose that the child receives, we need to first convert the volume of the suspension from teaspoons to milliliters. One teaspoon is equal to 5 milliliters, so 2 teaspoons is equal to 10 milliliters. Then, we can use the concentration of the suspension to find the amount of cefuroxime in 10 milliliters. The concentration is 25 mg in 2 mL, or 12.5 mg in 1 mL. Therefore, the amount of cefuroxime in 10 mL is:

10 mL × 12.5 mg/mL = 125 mg

Therefore, the child receives 125 mg of cefuroxime once a day orally.

A. 1 bottle B. 2 bottles C. 3 bottles D. 4 bottles

Correct Answer is B

Explanation

The correct answer is choice B. 2 bottles. To find the number of bottles required, use the formula: (dose x duration) / (bottle size x tablet strength). In this case, (600 mg/day x 7 days) / (7 tablets/bottle x 300 mg/tablet) = 2 bottles.

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A physician gives the following order: "Infuse 0.9% sodium chloride solution, 2.5 L over 15 hours." What is the mL/hr flow rate for continuous infusion?

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Naxlex Comprehensive Predictor Exams

Cefuroxime is available as a suspension of 25 mg in 2 mL. A mother informs a nurse that she gives her child 2 tsp of the suspension once a day orally. What is the dose that the child receives?

Correct Answer is C

Explanation

A client is prescribed a course of 600 mg/day of ciprofloxacin for 1 week to treat a throat infection. Each bottle contains 7 tablets that are 300 mg. How many bottles would be required for the client's prescribed course of treatment throughout the week?

Correct Answer is B

Explanation

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