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Question
What is the volume of glomerular filtrate formed in one day?
What is the volume of glomerular filtrate formed in one day?
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Solution
The correct option is A 170 - 180 l
The total volume of blood passing through the kidneys is about 1200 ml per minute, or about one fourth of the entire cardiac output. As plasma passes through the glomerulus, it loses more than 10% of its volume to the glomerular filtrate. The normal glomerular filtration rate amounts to about 180 litres each 24 hours. This is 4.5 times the amount of fluid in the entire body. The renal tubules reabsorb about 99% of the filtrate into the blood, leaving only about 1.5 litres to be excreted as urine during a 24-hour period.
The total volume of blood passing through the kidneys is about 1200 ml per minute, or about one fourth of the entire cardiac output. As plasma passes through the glomerulus, it loses more than 10% of its volume to the glomerular filtrate. The normal glomerular filtration rate amounts to about 180 litres each 24 hours. This is 4.5 times the amount of fluid in the entire body. The renal tubules reabsorb about 99% of the filtrate into the blood, leaving only about 1.5 litres to be excreted as urine during a 24-hour period.
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