Megan's patient is on strict intake and output measurements. Her patient's total output is 2200 mL. What should the total intake be for an average adult?
2200 mL
3000 mL
3800 mL
2400 mL
The Correct Answer is A
Choice A reason: For an average adult, the total intake should be approximately equal to the total output every day¹². Therefore, if the patient's total output is 2200 mL, the total intake should also be around 2200 mL.
Choice B reason: 3000 mL is more than the recommended daily fluid intake for an average adult, which is about 2500 mL³. If the patient's intake is higher than their output, they may develop fluid overload or edema.
Choice C reason: 3800 mL is much more than the recommended daily fluid intake for an average adult, which is about 2500 mL³. If the patient's intake is higher than their output, they may develop fluid overload or edema.
Choice D reason: 2400 mL is slightly less than the recommended daily fluid intake for an average adult, which is about 2500 mL³. However, if the patient's intake is lower than their output, they may develop dehydration or electrolyte imbalance.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A reason: This is incorrect because sodium level of 145 mEq/L is within the normal range of 135 to 145 mEq/L. Sodium is not directly affected by respiratory alkalosis, but it may be altered by fluid balance or other conditions.
Choice B reason: This is incorrect because magnesium level of 1.3 mEq/L is within the normal range of 1.3 to 2.1 mEq/L. Magnesium is not directly affected by respiratory alkalosis, but it may be altered by renal function or other conditions.
Choice C reason: This is incorrect because phosphorus level of 3.0 mg/dL is within the normal range of 2.5 to 4.5 mg/dL. Phosphorus is not directly affected by respiratory alkalosis, but it may be altered by calcium balance or other conditions.
Choice D reason: This is correct because potassium level of 3.0 mEq/L is below the normal range of 3.5 to 5.0 mEq/L. Potassium is inversely related to hydrogen ions, which are decreased in respiratory alkalosis. As hydrogen ions move out of the cells to buffer the blood, potassium ions move into the cells to maintain electrical neutrality. This causes hypokalemia, or low potassium level.
Correct Answer is D
Explanation
Choice A reason: This is incorrect because metabolic alkalosis is characterized by a high pH and a high HCO3-. The patient's pH and HCO3- are both low, indicating acidosis, not alkalosis.
Choice B reason: This is incorrect because respiratory alkalosis is characterized by a high pH and a low PaCO2. The patient's pH is low and PaCO2 is normal, indicating a metabolic problem, not a respiratory one.
Choice C reason: This is incorrect because respiratory acidosis is characterized by a low pH and a high PaCO2. The patient's pH is low, but PaCO2 is normal, indicating a metabolic problem, not a respiratory one.
Choice D reason: This is correct because metabolic acidosis is characterized by a low pH and a low HCO3-. The patient's pH and HCO3- are both low, indicating a metabolic disorder. The condition is uncompensated because the PaCO2 is normal, meaning the respiratory system is not compensating for the metabolic acidosis.
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