Multiple Choice
In normal adult renal physiology, approximately how much glomerular filtrate is produced by both kidneys per day?
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25. The Urinary System
Renal Physiology Step 1: Glomerular Filtration
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Every day the kidneys filter nearly __________ of fluid from the bloodstream.
A
500 liters
B
200 liters
C
50 liters
D
100 liters
Verified step by step guidance1
Understand the function of the kidneys: The kidneys are vital organs responsible for filtering waste products and excess substances from the blood, maintaining fluid and electrolyte balance, and regulating blood pressure.
Recognize the daily filtration rate: The kidneys filter a significant amount of fluid from the bloodstream each day, which is crucial for maintaining homeostasis in the body.
Identify the typical range of fluid filtered: In a healthy adult, the kidneys filter approximately 180 to 200 liters of fluid per day. This fluid is processed to form urine, with most of it being reabsorbed into the bloodstream.
Evaluate the given options: Compare the provided options (500 liters, 200 liters, 50 liters, 100 liters) with the typical range of 180 to 200 liters.
Select the correct answer: Based on the typical filtration rate, the correct answer is 200 liters, as it falls within the normal range of daily kidney filtration.
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