An Expanded Chamber in the Region of the Ileum at the Ileocecal

question 28

Multiple Choice

An expanded chamber in the region of the ileum at the ileocecal valve is the

• A) appendix.
• B) sigmoid colon.
• C) rectum.
• D) haustra.
• E) cecum.

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Definitions:

Ascending Limb

The portion of the loop of Henle in the nephron that carries fluid from the renal medulla toward the cortex of the kidney, crucial for the concentration of urine.

Active Transport

The movement of molecules across a cell membrane from a region of lower concentration to a region of higher concentration, requiring energy.

Facilitated Diffusion

Carrier-mediated process that does not require ATP and moves substances into or out of cells from a high to a low concentration.

Proximal Convoluted Tubule

The proximal convoluted tubule is part of the nephron in the kidney, playing a crucial role in the reabsorption of water, ions, and nutrients back into the bloodstream.