A nurse is providing care for a patient who has deep vein thrombosis.

The patient is prescribed heparin, which is to be administered via continuous IV infusion at a rate of 1,200 units/hr. If the available heparin is 25,000 units in 500 mL DSW, how many mL/hr should the IV pump be set to deliver?

(Round your answer to the nearest tenth or whole number. Use a leading zero if it applies. Do not use a trailing zero.)

Answer and Explanation

The Correct Answer is ["24"]

Step 1 is: To find out how many mL/hr the IV pump should be set to deliver, we need to set up a proportion with the prescribed units of heparin on one side and the available units of heparin on the other side. So, the calculation is: (1,200 units/hr ÷ 25,000 units) × 500 mL = 24 mL/hr.

Therefore, the IV pump should be set to deliver 24 mL/hr.

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Correct Answer is D

Explanation

Choice A rationale

Measuring the bladder before the patient voids would not provide an accurate measurement of postvoid residual, which is the amount of urine left in the bladder after voiding.

Choice B rationale

The position of the head of the bed does not directly impact the measurement of postvoid residual. However, the patient should be in a comfortable position during the procedure.

Choice C rationale

Similar to Choice B, the position of the head of the bed does not directly impact the measurement of postvoid residual.

Choice D rationale

Measuring the bladder within 15 minutes after the patient voids allows for an accurate measurement of postvoid residual, which can help assess bladder function.

A. Increased collagen. B. Decreased serum calcium. C. Increased muscle mass. D. Decreased circulation.

Correct Answer is D

Explanation

Choice A rationale

Increased collagen is not a factor that would lead to a pressure injury in a client with impaired mobility. Collagen is a protein that helps in the formation of skin and other connective tissues.

Choice B rationale

Decreased serum calcium is not directly related to the development of pressure injuries. While calcium is important for bone health and muscle function, it does not play a direct role in skin integrity.

Choice C rationale

Increased muscle mass is not a risk factor for pressure injuries. In fact, good muscle mass can help distribute pressure more evenly and potentially reduce the risk of pressure injuries.

Choice D rationale

Decreased circulation is a major risk factor for the development of pressure injuries. When blood flow to an area of the body is reduced, the tissues in that area can become deprived of oxygen and nutrients, leading to cell death and the formation of pressure injuries.

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Naxlex Comprehensive Predictor Exams

The nurse is preparing to test a patient for postvoid residual with a bladder scan. Which action will the nurse take?

Correct Answer is D

Explanation

A nurse is assessing a client who has impaired mobility.The nurse should monitor the client for a pressure injury due to which of the following factors?

Correct Answer is D

Explanation

A nurse is caring for a patient who receives intermittent enteral feedings through an NG tube.Before administering a feeding, the nurse should measure the gastric residual for which of the following purposes?

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