In patients with large-volume ascites, urine sodium concentrations of 10 mmol/L are consistent with:
Decreased fluid intake
Increased fluid intake
Insensible loss
Sodium retention
The Correct Answer is D
Choice A reason: Decreased fluid intake would typically result in lower urine output and higher urine concentration, but it does not directly explain a urine sodium concentration of 10 mmol/L.
Choice B reason: Increased fluid intake would generally lead to higher urine output and lower urine sodium concentration, as the kidneys excrete excess sodium. Therefore, this is not consistent with a urine sodium concentration of 10 mmol/L.
Choice C reason: Insensible loss refers to fluid loss that is not easily measured, such as through sweating or breathing. It does not directly explain the urine sodium concentration.
Choice D reason: Sodium retention is consistent with a low urine sodium concentration of 10 mmol/L in patients with large-volume ascites. In conditions like cirrhosis, the body retains sodium, leading to fluid accumulation in the abdomen (ascites) and lower sodium excretion in the urine.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A reason: Increasing red meat in the diet is not an appropriate treatment for hypovolemia due to hemorrhage. While red meat contains iron, which is important for blood production, it does not address the immediate need to replace lost blood volume.
Choice B reason: Infusing D5NS (5% Dextrose in Normal Saline) at 75 ml/hr for 10 hours may help replenish fluid volume, but it does not provide the necessary components to replace lost blood cells and clotting factors. This option is not sufficient for severe hemorrhage.
Choice C reason: Replacement of volume with blood products is the treatment of choice for hypovolemia due to hemorrhage. Blood transfusions provide the necessary red blood cells, plasma, and clotting factors to restore blood volume and improve oxygen delivery to organs. This is crucial in managing severe blood loss and preventing complications such as hypovolemic shock.
Choice D reason: Increasing H2O (water) intake to 400 ml/4 hr for 24 hours is not an appropriate treatment for hypovolemia due to hemorrhage. While hydration is important, it does not address the immediate need to replace lost blood volume and components.
Correct Answer is D
Explanation
Choice A reason: Fasting blood glucose measures the blood sugar level after an individual has not eaten for at least 8 hours. While it provides a snapshot of current blood glucose levels, it does not reflect long-term blood glucose control.
Choice B reason: Urinalysis can detect the presence of glucose or ketones in the urine, which can indicate poor blood glucose control. However, it does not provide a direct measure of blood glucose levels over time and is not the best predictor of long-term control.
Choice C reason: Feasting (postprandial) blood glucose measures blood sugar levels after eating. It can indicate how well the body manages glucose after a meal but does not provide information about overall blood glucose control over the previous few months.
Choice D reason: Hemoglobin A1C, also known as HbA1c, measures the percentage of glycated hemoglobin in the blood. It reflects the average blood glucose levels over the past 2-3 months. This test is considered the best predictor of long-term blood glucose control because it provides a comprehensive view of blood sugar management over an extended period. The normal range for HbA1c is typically below 5.7% for individuals without diabetes.
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