Which of the Following Statements Concerning Water Reabsorption Is Correct

question 56

Multiple Choice

Which of the following statements concerning water reabsorption is correct?

• A) water reabsorption is under control of vasopressin throughout the length of the nephron.
• B) the ascending limb of the loop of Henle is always impermeable to water.
• C) vasopressin makes the distal and collecting tubules impermeable to water.
• D) fifteen percent of the filtered water osmotically follows the absorption of Na⁺ and other solutes in the proximal tubule.
• E) water reabsorption is passive in the early portions of the nephron but is active in the distal portions of the nephron.

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Definitions:

Economy

The organized system of human activity involved in the production, consumption, and trading of goods and services.

Say's Law

An economic principle that suggests supply creates its own demand, meaning production of goods and services generates the purchasing power needed to buy those goods and services.

Supply

The total amount of a product or service that is available for purchase at any given price in a given market.

Demand

The quantity of a good or service that consumers are willing and able to purchase at various prices during a certain period.