Author Question: Unlike irritable bowel syndrome, inflammatory bowel disease: A) is likely to be caused by elevated ... (Read 107 times)

scienceeasy · **on:** Aug 20, 2018

Unlike irritable bowel syndrome, inflammatory bowel disease:
A) is likely to be caused by elevated levels of serotonin.
B) is believed to affect the lower gastrointestinal tract.
C) is believed to develop when exposure to a substance causes an immunologic response.
D) is not associated with any known structural abnormalities and is considered a functional disorder.

Question 2

Which of the following is true of a passive transport mechanism?
A) It includes osmosis, simple diffusion, and facilitated diffusion.
B) It is exclusively responsible for the movement of nutrients into and out of the enterocytes.
C) It requires energy to move substances across cell membranes.
D) It enables nutrients to move from a region of lower concentration to a region of higher concentration.