HISTOLOGY
URINARY SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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During which process is 99% of the water returned to the blood vessels?
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Filtration
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Reabsorption
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Secretion
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None of the above
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Explanation:
Detailed explanation-1: -Tubular reabsorption is the process that moves solutes and water out of the filtrate and back into your bloodstream.
Detailed explanation-2: -Water Intake On average, 180L of water is filtered by the kidneys daily. However, only 1.5-2L actually ends up being excreted as urine. This means almost 99% of the water filtered is either reabsorbed into the circulation or enters the interstitium.
Detailed explanation-3: -About 67 percent of the water, Na+, and K+ entering the nephron is reabsorbed in the PCT and returned to the circulation. Almost 100 percent of glucose, amino acids, and other organic substances such as vitamins are normally recovered here.
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