Question at position 20 In hypovolemic hyponatremia, which component exceeds the loss of water?SodiumCalciumPotassiumGlucoseMagnesium单项选择题
A
Sodium
B
Calcium
C
Potassium
D
Glucose
E
Magnesium

Question

Question at position 20 In hypovolemic hyponatremia, which component exceeds the loss of water?SodiumCalciumPotassiumGlucoseMagnesium

BlackTom AI · Accepted Answer

Question restatement: In hypovolemic hyponatremia, which component exceeds the loss of water?
Answer options: Sodium, Calcium, Potassium, Glucose, Magnesium

Option 1 — Sodium: This is the correct choice. In hypovolemic hyponatremia, the body loses both water and solutes, but the sodium loss typically surpasses the concurrent water loss due to mechanisms such as renal and extrarenal salt wasting. The net effect is a drop in serum Na+ concentration because a greater amount of sodium is lost relative to water, leading to hyponatremia with hypovolemia.

Option 2 — Calcium: Calcium loss is not the primary driver in hypovolemic hyponatremia. While calcium can be affected in illness, it does not systematically exceed water loss in this scenario and is not a defining feature of this condition.

Option 3 — Potassium: Potassium balance can be disturbed in fluid losses, especially with certain diuretics or renal issues, but in the classic description of hypovolemic hyponatremia, potassium loss does not inherently exceed water loss to create the characteristic hyponatremia. This makes it an unlikely answer to the prompt.

Option 4 — Glucose: Glucose is a sugar and its movement is not the primary factor in explaining the relative losses in hypovolemic hyponatremia. Hyperglycemia can cause transient shifts in water distribution, but it does not represent a component that routinely exceeds water loss in this context.

Option 5 — Magnesium: Magnesium loss is not a defining characteristic of hypovolemic hyponatremia. Like calcium and potassium, it does not typically exceed water loss in this clinical pattern and is not used to explain the hyponatremia in this setting.

Summary: Among the listed components, Sodium is the one that typically exceeds the loss of water in hypovolemic hyponatremia, making it the correct answer. The other electrolytes (calcium, potassium, magnesium) and even glucose do not consistently follow this pattern in the standard description of this condition.

Question at position 20 In hypovolemic hyponatremia, which component exceeds the loss of water?SodiumCalciumPotassiumGlucoseMagnesium单项选择题

类似问题

A condition of diluted blood sodium levels (<125 mmol/L) that can occur from excessive water intake is known as:

What is a major risk of excessive water intake during long-duration exercise?

Question at position 22 Which condition is characterized by a normal sodium concentration but diluted by an increase in total body water?HypervolemiaHypotonic hydrationHypovolemiaEuvolemic hyponatremiaHypernatremia

Question at position 20 In hypovolemic hyponatremia, which component exceeds the loss of water?PotassiumMagnesiumGlucoseSodiumCalcium

Question at position 8 Printed Blank[input]Question Blank 1 of 1[input] is caused by systemic fluid loss and leads to increased ICF.HypernatremiaHyponatremia

Question at position 22 Which condition is characterized by a normal sodium concentration but diluted by an increase in total body water?HypervolemiaHypotonic hydrationHypovolemiaHypernatremiaEuvolemic hyponatremia

A patient presents to the ED for evaluation of nausea, vomiting, headache and confusion. The patients wife informs you that he ran a marathon earlier in the day and has not felt good since. What electrolyte imbalance are you most concerned about?

What was the world's first widely adopted biodiversity policy?

更多留学生实用工具

智能学习助手

风格化写作助手

论文查重助手

文献引用助手

课堂转译助手

课堂笔记助手

Quiz搜索助手

学校历年真题

智能刷题助手

智能匹配练习

希望你的学习变得更简单