Which Is NOT True About the Countercurrent Multiplier System of the Kidney

question 12

Multiple Choice

Which is NOT true about the countercurrent multiplier system of the kidney?

• A) It creates a hyperosmolar medullary interstitium that allows the kidneys to form hypertonic urine.
• B) The descending loop of Henle is permeable to water.
• C) There is active transport of sodium and chloride out of the ascending limb of the loop of Henle.
• D) The ascending loop of Henle is not permeable to water.
• E) The fraction of filtered NaCl reabsorbed from the ascending limb equals the fraction of filtered water reabsorbed from the descending limb.

---

Definitions:

Cognitive Development

The process by which individuals acquire and understand knowledge through thought, experience, and the senses, often studied in children.

Drawing Pictures

The act or skill of producing images on a surface, typically paper, by making marks, usually with a pen, pencil, or crayon.

Perspective

The particular attitude towards or way of regarding something; a point of view, or the art technique that helps represent three-dimensional objects on a two-dimensional surface.

Sensorimotor

Refers to the developmental stage in infants where they learn to use their senses and muscles together.