Substance X Is Freely Filtered at the Glomerulus

question 55

Multiple Choice

Substance X is freely filtered at the glomerulus. 3 mmole X is filtered, 2 mmole X is reabsorbed, and 2 mmole X is secreted per minute. How much X is excreted per minute?

• A) 1 mmole
• B) 2 mmole
• C) 3 mmole
• D) 4 mmole
• E) 5 mmole

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