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A nurse is collecting data from a client who has systemic lupus erythematosus (SLE). Which of the following laboratory values should the nurse review to determine the client's renalfunction?

A.

C-reactive protein

B.

Serum creatinine

C.

Antinuclear antibody

D.

Erythrocyte sedimentation rate

Answer and Explanation

The Correct Answer is B

a. C-reactive protein: This is a marker of inflammation and is not specific to renal function. It is more commonly used to assess inflammation in various conditions.

b. Serum creatinine: Elevated levels of serum creatinine are indicative of impaired renal

function. Creatinine is a waste product that is normally filtered by the kidneys. Increased levels suggest decreased renal filtration.

c. Antinuclear antibody: This test is used to diagnose autoimmune diseases like SLE but does not directly measure renal function.

d. Erythrocyte sedimentation rate: This is a nonspecific marker of inflammation and is not directly related to renal function.


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Related Questions

Correct Answer is B

Explanation

a. Instruct the client to tilt her head back when she swallows: This action is not recommended, as it increases the risk of aspiration. Tilted head positions can lead to improper bolus control and

swallowing difficulties.

b. Add thickener to fluids: This is an appropriate intervention for a client with dysphagia, as thickened fluids are easier to control during swallowing and reduce the risk of aspiration.

c. Place food on the left side of the client's mouth: This action may not directly address the risk of aspiration associated with dysphagia and left-sided weakness.

d. Serve food at room temperature: While serving food at room temperature may be preferred for some clients, it does not directly address the safety concerns associated with dysphagia and left- sided weakness.

Correct Answer is D

Explanation

a. Heart rate 90/min: A heart rate of 90/min is within the normal range, and it is not an abnormal finding postoperatively.

b. Serum potassium 3.7 g/dL: The serum potassium level of 3.7 g/dL is within the normal range, and it is not an abnormal finding postoperatively.

c. Bowel sounds 10/min: Bowel sounds of 10/min are within the normal range and indicate return of bowel function postoperatively.

d. Urine output 48 m/2 hr: A urine output of 48 m/2 hr is less than the expected urine output (30 mL/hr), and it may indicate inadequate renal perfusion or function. This finding should be

reported to the provider.

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