A nurse is preparing to administer a 2 mg IV bolus of morphine sulfate. Morphine sulfate is available in a concentration of 10 mg/mL. How many mL should the nurse administer per 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 ["0.2"]

- Step 1: Identify the required dose in milligrams (mg). The nurse is scheduled to administer 2 mg of morphine sulfate.

- Step 2: Identify the concentration of the available solution. The available solution contains 10 mg of morphine sulfate per 1 mL.

- Step 3: Calculate the volume of solution needed to deliver the required dose. We can set up a proportion to solve for this:

- 10 mg is to 1 mL as 2 mg is to X mL.

- In other words, 10 mg : 1 mL = 2 mg : X mL.

- Step 4: Solve for X using cross-multiplication and division:

- Cross-multiplication gives us: 10 mg × X mL = 2 mg × 1 mL.

- Simplifying this gives us: 10X = 2.

- Dividing both sides by 10 gives us: X = 2 ÷ 10.

- Calculating the division gives us: X = 0.2.

So, the nurse should administer 0.2 mL of the morphine sulfate solution per dose.

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Correct Answer is ["A","B","C","E"]

Explanation

Choice A reason: Hypoxemia, or low oxygen levels in the blood, is a primary indicator of ARF as the lungs are unable to adequately oxygenate the blood.

Choice B reason: Confusion can result from hypoxemia or hypercapnia (high carbon dioxide levels) as the brain is sensitive to changes in blood gas levels.

Choice C reason: Dyspnea, or difficulty breathing, is a hallmark symptom of ARF as the lungs struggle to maintain adequate gas exchange.

Choice D reason: Bradycardia, or a slow heart rate, is not typically associated with ARF. Tachycardia, or a fast heart rate, is more common as the body attempts to compensate for hypoxemia.

Choice E reason: Hypocarbia, or low carbon dioxide levels, can occur in ARF if the body is attempting to compensate for hypoxemia by hyperventilating.

A. BUN 8 mg/dL and creatinine 0.7 mg/dL B. BUN 45 mg/dL and creatinine 8 mg/dL C. BUN 10 mg/dL and creatinine 0.3 mg/dL D. BUN 23 mg/dL and creatinine 1.0 mg/dL

Correct Answer is B

Explanation

Choice A reason: A BUN level of 8 mg/dL and creatinine level of 0.7 mg/dL are within normal ranges and would not be expected in a client with CKD².

Choice B reason: Elevated BUN and creatinine levels, such as 45 mg/dL and 8 mg/dL respectively, are indicative of impaired kidney function, which is consistent with CKD².

Choice C reason: A BUN level of 10 mg/dL and creatinine level of 0.3 mg/dL are lower than the expected values for a client with CKD, indicating better kidney function than typically seen in CKD².

Choice D reason: A BUN level of 23 mg/dL and creatinine level of 1.0 mg/dL may be slightly elevated but are not as indicative of CKD as the values in choice B².

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A nurse is preparing to administer a 2 mg IV bolus of morphine sulfate. Morphine sulfate is available in a concentration of 10 mg/mL. How many mL should the nurse administer per dose? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is caring for a client who has acute respiratory failure (ARF). The nurse should monitor the client for which of the following manifestations of this condition? (Select all that apply).

Correct Answer is ["A","B","C","E"]

Explanation

A nurse is reviewing the BUN and creatinine levels of an older adult client who has chronic kidney disease (CKD). Which of the following findings should the nurse expect?

Correct Answer is B

Explanation

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