How Does the Loop of Henle Enable the Mammalian Kidney

question 37

Multiple Choice

How does the loop of Henle enable the mammalian kidney to produce hyperosmotic urine?
I-The ascending limb of the loop actively extrudes Na+.
II-The descending limb interacts with the ascending limb to raise the concentration of the extracellular fluid in the renal medulla.
III-The concentration is further enhanced by the presence of urea,which draws water out of the collecting ducts by osmosis.

• A)just I
• B)II and III
• C)just III
• D)I and II
• E)I,II,and III

Recognize the components and purposes of surgical instruments, including specific forceps and scissors.

Identify appropriate attire and preparation for a patient on the day of surgery.

Distinguish between various sterilization methods and the maintenance of sterility during surgical procedures.

Understand the principles of surgical asepsis and the techniques used to maintain a sterile environment.

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