Why is Crohn's disease more likely to cause intestinal obstruction than ulcerative colitis?
Crohn's disease causes granulomas to form in the submucosal layer.
Crohn's disease is located in the small intestine.
Crohn's disease causes abdominal pain and watery diarrhea.
Crohn's disease is exacerbated by certain foods, such as spicy foods.
The Correct Answer is A
A. Crohn's disease can cause granulomatous inflammation that leads to strictures in the bowel, increasing the risk of obstruction.
B. While Crohn's disease often affects the small intestine, ulcerative colitis typically affects the colon, and both can lead to obstructions, but the nature of Crohn's lesions contributes more to this risk.
C. Abdominal pain and diarrhea are symptoms but do not specifically explain obstruction risk.
D. Dietary triggers may exacerbate symptoms but are not a primary reason for increased obstruction risk in Crohn's.
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Related Questions
Correct Answer is D
Explanation
A. The fecal-oral route is associated with gastrointestinal viruses, not respiratory infections like influenza.
B. While influenza can spread through airborne transmission, it primarily spreads via respiratory droplets, which are larger and do not remain suspended in the air for long distances.
C. Direct contact can also transmit the virus, but it is less common compared to the droplet route.
D. Respiratory droplets are the primary mode of transmission for influenza, occurring when an infected person coughs or sneezes, releasing droplets that can be inhaled by others nearby.
Correct Answer is B
Explanation
A. Apoptosis refers to programmed cell death, which is a controlled process rather than a direct consequence of infection and blood flow issues.
B. Necrosis occurs when there is unregulated cell death due to injury or lack of blood flow, often resulting from infection or inflammation leading to tissue damage.
C. Cellular adaptation refers to changes that occur in cells in response to stress or injury but does not encompass the direct consequences of infection and impaired blood flow.
D. Cellular damage can occur as a result of necrosis or other processes, but in the context of infection and blood flow issues, necrosis is the more definitive outcome.
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