Which of the Following Would Help Maintain the Medullary Concentration

question 126

Multiple Choice

Which of the following would help maintain the medullary concentration gradient?

• A)movement of urea from the distal convoluted tubule to the proximal convoluted tubule
• B)urea movement from the collecting duct to medullary interstitial fluid
• C)movement of water from the ascending limb into the medullary interstitial fluid
• D)active transport of sodium and chloride from the medullary interstitial fluid into the collecting duct
• E)urea movement into the collecting duct

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Definitions:

Fechner's Law

A principle in psychophysics stating that the perceived intensity of a stimulus changes proportionally to the logarithm of the actual stimulus intensity.

Thorndike's Law

A principle stating that behaviors followed by positive outcomes are more likely to be repeated, whereas behaviors followed by negative outcomes are less likely to be repeated.

Ames Room

An optical illusion room designed to manipulate perceived size and perspective, where objects appear larger or smaller than they really are.

Proximal Stimulus

The physical energy from an object that directly interacts with sensory receptors, leading to perception.