Multiple Choice
What is formed as wastes and excess water are removed from the blood and excreted by the kidneys?
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25. The Urinary System
Introduction to the Urinary System
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In the context of the urinary system, which organ is most affected by hyponatremia?
A
Kidneys
B
Heart
C
Liver
D
Lungs
Verified step by step guidance1
Understand the condition: Hyponatremia is a condition characterized by low sodium levels in the blood. Sodium is crucial for maintaining fluid balance, nerve function, and muscle function.
Identify the role of each organ in sodium regulation: The kidneys play a central role in regulating sodium levels in the body by filtering blood and adjusting the excretion or reabsorption of sodium.
Consider the impact of hyponatremia on the kidneys: When sodium levels are low, the kidneys respond by adjusting the amount of sodium reabsorbed or excreted to help restore balance.
Evaluate the other organs: While the heart, liver, and lungs are important for overall body function, they do not directly regulate sodium levels like the kidneys do.
Conclude that the kidneys are most affected by hyponatremia due to their direct involvement in sodium regulation and fluid balance in the body.
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