A nurse is reviewing the laboratory results of a client who has fluid volume deficit. The nurse would expect which of the following findings?
Urine specific gravity 1.035.
BUN 19 mg/dL.
Hematocrit 44.9%.
Sodium 155 mEq/L.
The Correct Answer is D
Sodium 155 mEq/L. Choice A rationale:
A urine specific gravity of 1.035 indicates concentrated urine and is consistent with fluid volume deficit. However, it is not the most specific finding for this condition.
Choice B rationale:
A BUN (blood urea nitrogen) level of 19 mg/dL can be a normal value. It is within the reference range (usually around 7-20 mg/dL) and does not provide specific information about fluid volume deficit.
Choice C rationale:
A hematocrit of 44.9% can also be within the normal range for some individuals, and while it can be elevated in cases of fluid volume deficit, it is not as sensitive as other parameters for detecting this condition.
Choice D rationale:
This is the correct answer because a sodium level of 155 mEq/L is elevated and indicates hypernatremia, which is associated with fluid volume deficit. Hypernatremia occurs when there is a relative lack of water in relation to the sodium concentration in the blood, and it can lead to dehydration
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
PacO2 50 mm Hg. Choice A rationale:
Potassium levels are not directly related to respiratory acidosis. Potassium levels may be affected in certain conditions, but they are not specific indicators of respiratory acidosis.
Choice B rationale:
HCO3- (bicarbonate) levels may be elevated in metabolic alkalosis, not respiratory acidosis. In respiratory acidosis, the primary abnormality is an increased PacO2, not HCO3-.
Choice C rationale:
The partial pressure of carbon dioxide (PacO2) is a key parameter in diagnosing respiratory acidosis. In this case, a PacO2 of 50 mm Hg suggests hypoventilation and an excess of carbon dioxide in the blood, contributing to acidosis.
Choice D rationale:
The pH level given (pH 7.45) is within the normal range, which contradicts the diagnosis of respiratory acidosis. In respiratory acidosis, the pH would be expected to be below the normal range of 7.35-7.45 due to increased carbon dioxide levels.
Correct Answer is D
Explanation
Choice A rationale:
Hypokalemia is not a direct adverse effect of dextrose 10% in water infusion. This solution does not contain potassium, and unless the patient already has low potassium levels or other contributing factors, it would not cause hypokalemia.
Choice B rationale:
Hypercalcemia is unrelated to dextrose 10% in water infusion. The solution does not contain calcium, and it would not lead to an increase in serum calcium levels.
Choice C rationale:
Hypovolemia, or low blood volume, is not typically associated with dextrose 10% in water infusion. However, if administered rapidly in large amounts, it could potentially cause fluid overload leading to hypervolemia.
Choice D rationale:
Hyperglycemia is a possible adverse effect of dextrose 10% in water infusion. The solution contains a high concentration of glucose, which can raise blood sugar levels if the body cannot adequately utilize or regulate the glucose. Regular monitoring of blood glucose levels is essential during such an infusion, especially in patients with diabetes or impaired glucose tolerance.
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