A nurse is assessing a client who has fluid volume deficit. The nurse should expect which of the following findings?
Increased urine ketones.
Decreased Hgb.
Decreased urine specific gravity.
Increased BUN.
The Correct Answer is D
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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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 A
Explanation
The correct answer is choice A. Client has an NG tube to gastric suction.
Choice A rationale:
Having an NG tube to gastric suction can lead to hypokalemia because the suctioning process removes potassium from the stomach contents, leading to a decrease in serum potassium levels.
Choice B rationale:
While a history of alcohol abuse disorder can lead to various electrolyte imbalances, it is not the most direct cause of hypokalemia compared to gastric suction.
Choice C rationale:
Drinking 3.5 to 4 liters of water each day can lead to dilutional hyponatremia but is less likely to cause hypokalemia directly.
Choice D rationale:
Spironolactone is a potassium-sparing diuretic, which means it helps retain potassium in the body. Therefore, it is not a causative factor for hypokalemia.
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