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A nurse is preparing to administer a continuous heparin infusion at 1600 units/hr. Available is heparin 25.000 units in dextrose 5% in water (DSW) 500 mL The nurse should set the IV pump to deliver how many mL/hr? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

Answer and Explanation

The Correct Answer is ["32"]

1. Determine the concentration of heparin in the solution:

- There are 25,000 units of heparin in 500 mL of D5W.

- Concentration = 25,000 units / 500 mL = 50 units/mL.

2. Calculate the required mL/hr for the desired infusion rate:

- The order is for 1600 units/hr.

- To find the mL/hr:

ML/HR=desired units/hr divided by unts/ml

=1600/50

=32ml/hr

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Correct Answer is D

Explanation

A. 1 plain baked potato is not a significant source of calcium.

B. 1 cup carrot strips do not provide a substantial amount of calcium.

C. ½ cup chopped chicken breast is a source of protein but is not high in calcium.

D. 3 oz canned salmon is one of the highest dietary sources of calcium. It is especially beneficial for individuals with osteoporosis because it contains not only calcium but also vitamin D, which helps with calcium absorption.

A. "You will need to fast for 12 hours before the test." B. "You will need to lie flat for 4 hours following the test." C. "You will need to remove all jewelry before the test." D. "You will need to empty your bladder before the test."

Correct Answer is C

Explanation

A. Fasting is not necessary for a dual-energy x-ray absorptiometry (DXA) scan, as it does not involve ingesting anything.

B. The client does not need to lie flat for an extended period following a DXA scan. They can resume normal activities immediately after the test.

C.The nurse should instruct the client to remove all jewelry or metal objects that can interfere with the test. A DXA scan is the mostly commonly used screening and diagnostic tool for measuring bone mineral density.

D. . It is not necessary to empty the bladder before the test.

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Naxlex Comprehensive Predictor Exams

A nurse is providing nutritional teaching to a client who has osteoporosis. Which of the following foods should the nurse recommend as being the highest in calcium?

Correct Answer is D

Explanation

A nurse is teaching a client who is scheduled for dual-energy x-ray absorptiometry (DXA) to screen for osteoporosis. Which of the following instructions should the nurse include in the teaching?

Correct Answer is C

Explanation

A nurse is assessing the elastic bandage on the stump of a client who had a right below-the knee amputation. Which of the following findings should the nurse identify as a complication?

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