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A nurse is preparing to administer heparin 15,000 units every 12 hr subcutaneously to a client who weighs 80 kg. Available is 10,000 units/mL. How many mL should the nurse administer with each dose?

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

Answer and Explanation

The Correct Answer is ["1.5"]

The correct answer is 1.5 mL. Here is the explanation:

To calculate the amount of mL to administer, the nurse should use the following formula:

mL = (units ordered / units available) x mL available

Plugging in the values from the question, we get:

mL = (15,000 / 10,000) x 1

mL = 1.5 x 1

mL = 1.5

Therefore, the nurse should administer 1.5 mL of heparin with each dose.

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Correct Answer is A

Explanation

Choice A reason: Oxybutynin is an anticholinergic drug that relaxes the muscles of the bladder and reduces spasms, urgency, and frequency of urination. It is used to treat overactive bladder and urinary incontinence.

Choice B reason: Oxybutynin does not increase tissue perfusion in the lungs, as it has no effect on the respiratory system. It can actually cause dry mouth, nasal congestion, and blurred vision as side effects.

Choice C reason: Oxybutynin does not increase venous return to the heart, as it has no effect on the cardiovascular system. It can actually cause tachycardia, palpitations, and hypertension as side effects.

Choice D reason: Oxybutynin does not relax the muscles of the colon, as it has no effect on the gastrointestinal system. It can actually cause constipation, nausea, and abdominal pain as side effects.

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A. Blood glucose 98 mg/dL B. BUN 18 mg/dL C. Hemoglobin 8.6 g/dL D. Potassium 3.5 mEq/L

Correct Answer is C

Explanation

Choice A: This is incorrect because blood glucose 98 mg/dL is within the normal range of 70 to 110 mg/dL. The nurse does not need to notify the provider for this value.

Choice B: This is incorrect because BUN 18 mg/dL is within the normal range of 10 to 20 mg/dL. The nurse does not need to notify the provider for this value.

Choice C: This is correct because hemoglobin 8.6 g/dL is below the normal range of 12 to 18 g/dL. The nurse should notify the provider for this value as it indicates anemia, which can be caused by blood loss during surgery or impaired bone marrow function.

Choice D: This is incorrect because potassium 3.5 mEq/L is within the normal range of 3.5 to 5.0 mEq/L. The nurse does not need to notify the provider for this value.

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Naxlex Comprehensive Predictor Exams

A nurse is reinforcing teaching with a client who is taking oxybutynin. The nurse should tell the client that the medication will have which of the following effects?

Correct Answer is A

Explanation

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Correct Answer is C

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