A nurse is caring for a client who is receiving IV fluids to correct dehydration. Which of the following laboratory values should indicate to the nurse that the client is effectively responding to treatment?

Urine specific gravity 1.020.

Potassium 5.2 mEq/L.

Hct 6296.

Sodium 165 mEq/L.

Answer and Explanation

The Correct Answer is A

Urine specific gravity 1.020.

Choice A rationale:

Urine specific gravity is a measure of urine concentration, indicating the ability of the kidneys to concentrate or dilute urine. A specific gravity of 1.020 falls within the normal range (typically 1.010 to 1.030). An appropriate specific gravity indicates that the client's kidneys are responding well to the IV fluids, maintaining adequate urine output and concentration.

Choice B rationale:

Potassium level of 5.2 mEq/L is above the normal range of 3.5 to 5 mEq/L. However, this value does not specifically indicate whether the client is responding effectively to the IV fluids for dehydration.

Choice C rationale:

Hct (Hematocrit) of 6296 is not a valid measurement; it appears to be a typographical error or an incomplete value. Therefore, it cannot be used to assess the client's response to treatment.

Choice D rationale:

Sodium level of 165 mEq/L is elevated beyond the normal range of 136 to 145 mEq/L. However, this value does not provide information about the client's response to IV fluids for dehydration.

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Correct Answer is B

Explanation

Metabolic alkalosis.

Choice A rationale:

The given blood gas results show a pH of 7.53, which is alkaline (above the normal range of

7.35 to 7.45), and a high bicarbonate level of 36 mEq/L (normal range is 22 to 26 mEq/L). This combination indicates metabolic alkalosis, a condition where there is an excessive accumulation of bicarbonate in the blood, leading to increased pH.

Choice B rationale:

Metabolic alkalosis is characterized by increased blood bicarbonate levels, which can occur due to conditions like vomiting, diuretic use, or excessive ingestion of bicarbonate-containing substances. It results in symptoms such as muscle twitching, tetany, and respiratory depression.

Choice C rationale:

Respiratory alkalosis is characterized by an elevated blood pH and low carbon dioxide levels (hypocapnia). However, the bicarbonate level is not directly related to respiratory alkalosis, making this choice incorrect based on the given information.

Choice D rationale:

Metabolic acidosis is characterized by a decreased blood pH and low bicarbonate levels. The presented blood gas results show an alkaline pH and high bicarbonate, making this choice incorrect.

A. Increased urine ketones. B. Decreased Hgb. C. Decreased urine specific gravity. D. Increased BUN.

Correct Answer is D

Explanation

Choice A rationale:

Increased urine ketones are not indicative of fluid volume deficit. Instead, they may suggest diabetic ketoacidosis or starvation ketosis.

Choice B rationale:

Decreased Hgb (hemoglobin) is not specific to fluid volume deficit and can be seen in various conditions such as anemia or bleeding.

Choice C rationale:

Decreased urine specific gravity is not consistent with fluid volume deficit, as it usually results in concentrated urine with increased specific gravity.

Choice D rationale:

An increased blood urea nitrogen (BUN) level is expected in fluid volume deficit due to reduced kidney perfusion and function. BUN is a marker of kidney function and is elevated when fluid volume is low.

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A nurse is caring for a client who is receiving IV fluids to correct dehydration. Which of the following laboratory values should indicate to the nurse that the client is effectively responding to treatment?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A patient's blood gases show a pH of 7.53 and bicarbonate level of 36 mEq/L. The nurse realizes that the patient is demonstrating which acid-base disorder?

Correct Answer is B

Explanation

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Correct Answer is D

Explanation

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