Why is Crohn disease more likely to cause intestinal obstruction than ulcerative colitis?
Crohn disease is located in the small intestine
Crohn disease is exacerbated by certain foods, such as spicy foods
Crohn disease causes granulomas to form in the submucosal layers
Crohn disease causes abdominal pain and watery diarrhea
The Correct Answer is C
A. While Crohn disease can affect any part of the gastrointestinal tract, it often affects the small intestine, particularly the ileum. However, the location alone does not explain the increased risk of obstruction.
B. Certain foods, such as spicy foods, may exacerbate symptoms of Crohn disease, but this is not the primary reason it causes intestinal obstruction.
C. Crohn disease causes inflammation that can lead to the formation of granulomas, particularly in the submucosal layers. These granulomas contribute to fibrosis and narrowing of the bowel, which can lead to intestinal obstruction. This is a key feature of Crohn disease that makes it more likely to cause obstruction compared to ulcerative colitis.
D. Abdominal pain and watery diarrhea are common symptoms of both Crohn disease and ulcerative colitis, but they are not directly related to the increased risk of obstruction in Crohn disease.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. This option is incorrect because impaired sodium excretion by the kidneys does contribute to increased peripheral vascular resistance and hypertension.
B. Impaired sodium excretion by the kidneys can lead to fluid retention, which increases blood volume. This results in increased peripheral vascular resistance, a key factor in the development of hypertension.
C. Overstimulation of the parasympathetic nervous system typically causes a reduction in heart rate and vasodilation, which would generally lower blood pressure, not contribute to hypertension.
D. The renin-angiotensin-aldosterone system plays a crucial role in regulating blood pressure. Reduced secretion of renin, angiotensin, and aldosterone would not contribute to increased peripheral vascular resistance. In fact, these systems typically work to raise blood pressure when needed.
Correct Answer is B
Explanation
A. Increased chloride levels, also known as hyperchloremia, can occur in metabolic acidosis as part of the body's attempt to balance acid-base status.
B. All of the options listed contribute to metabolic acidosis. Increased metabolic acids, decreased bicarbonate, and increased chloride levels can all be present in metabolic acidosis, making this the correct answer.
C. Increased metabolic acids, such as lactic acid or ketoacids, are a key feature of metabolic acidosis.
D. In metabolic acidosis, bicarbonate levels decrease as the body compensates by buffering excess acid with available bicarbonate.
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