Crohn disease and chronic ulcerative colitis are similar diseases. Several factors seem to be working together to trigger the response that leads to these diseases. Which of the following statements does NOT describe a trigger?
A. Antibiotics sometimes cause these diseases by changing the intestinal bacterial flora.
B. The ability of the immune system to regulate the immune response is impaired.
C. The intestinal epithelium is less able to resist invasion by bacteria.
D. Intestinal bacteria can penetrate the epithelium and extend into deeper tissues.
Question 2
__________ is characterized by excessive absorption of iron, which accumulates within the body and disrupts organ functions.
A. Sickle cell anemia
B. Tay-Sachs disease
C. Hemophilia
D. Hemochromatosis
Exopthalmos of Graves' disease.
Hirschsprung Disease
Different Rickettsial Groups, Diseases, and Geographical Locations
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Formation of a DNA loop allows factors that bind to an enhancer or silencer