What is the total volume of medication in a vial with lot number 666, containing 100 tablets, each 333 mg and expiring on 2-22-16?

100

333

666

Answer and Explanation

The Correct Answer is C

The number of tablets and their weight only provide information about the total amount of medication in the vial (100 tablets x 333 mg = 33,300 mg or 33.3 g).

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Correct Answer is B

Explanation

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.

A. Dextrose 50%, add 1 mL to 4 mL injectable saline B. Dextrose 50%, add 2 mL to 3 mL injectable saline C. Dextrose 50%, add 3 mL to 2 mL injectable saline D. Dextrose 50%, add 4 mL to 1 mL injectable saline E. Dextrose 50%, add 4 mL to 1 mL injectable saline

Correct Answer is A

Explanation

Dextrose 50%, add 1 mL to 4 mL injectable saline. To obtain 5 mL of 10% dextrose, 0.5 mL of the 50% dextrose should be diluted with 4.5 mL of sterile water or normal saline. Therefore, the nurse should add 1 mL of the 50% dextrose to 4 mL of injectable saline to get a final concentration of 10% dextrose in 5 mL. This will give the client the appropriate dose.

Choice B is incorrect because adding 2 mL of the 50% dextrose to 3 mL of saline would give a final concentration of 20%, which is higher than the prescribed concentration of 10%.

Choice C is incorrect because adding 3 mL of the 50% dextrose to 2 mL of saline would give a final concentration of 30%, which is significantly higher than the prescribed concentration of 10%.

Choice D is incorrect because adding 4 mL of the 50% dextrose to 1 mL of saline would give a final concentration of 40%, which is much higher than the prescribed concentration of 10%.

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What is the total volume of medication in a vial with lot number 666, containing 100 tablets, each 333 mg and expiring on 2-22-16?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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?

Correct Answer is B

Explanation

A physician ordered 5 mL 10% dextrose stat. The only dextrose available is a vial of 5 mL 50% dextrose. How can the nurse provide the appropriate dose?

Correct Answer is A

Explanation

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