In Mammals, the Nonurea Solutes Are Trapped in the Collecting

question 9

Multiple Choice

In mammals, the nonurea solutes are trapped in the collecting duct because the collecting duct is

• A) permeable to both water and nonurea solutes.
• B) impermeable to both water and nonurea solutes.
• C) impermeable to nonurea solutes but permeable to water.
• D) permeable to nonurea solutes but impermeable to water.

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