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

Answer and Explanation

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.

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Correct Answer is A

Explanation

A. The absence of chronic disease is not a strict requirement for effective perfusion. While chronic diseases can impact perfusion, such as through the effects of diabetes or hypertension on the cardiovascular system, effective perfusion can still occur in individuals with chronic conditions if other factors are managed appropriately.

B. Adequate blood volume is essential for effective perfusion because without enough blood, oxygen and nutrients cannot be delivered to tissues.

C. An open airway is crucial for effective perfusion because it allows for proper oxygenation, which is necessary for the delivery of oxygen to tissues via the bloodstream.

D. Functional systemic circulation is required for effective perfusion, as it ensures that blood can flow throughout the body to deliver oxygen and nutrients to tissues and remove waste products.

A. Call 911 and report that the patient has probable status asthmaticus. B. Obtain the equipment and prepare the patient for intubation. C. Establish IV access to give emergency medication. D. Place the patient in a high Fowler's position and start oxygen therapy.

Correct Answer is D

Explanation

A. While status asthmaticus is a severe, life-threatening asthma exacerbation, the first step is to stabilize the patient by improving oxygenation and relieving airway obstruction, not immediately calling 911 unless the situation worsens.

B. Intubation is not the first step unless the patient's respiratory status continues to deteriorate despite initial interventions. The focus should be on improving oxygenation and managing the airway.

C. Establishing IV access and administering emergency medications, such as corticosteroids or bronchodilators, may be necessary, but the first priority is to improve the patient's breathing and oxygenation.

D. Placing the patient in a high Fowler's position helps to open the airways and facilitate breathing. Starting oxygen therapy is essential to support oxygenation in a patient with labored breathing. This should be the first intervention.

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Why is Crohn disease more likely to cause intestinal obstruction than ulcerative colitis?

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Naxlex Comprehensive Predictor Exams

Which is not a requirement for effective perfusion?

Correct Answer is A

Explanation

A patient came to the walk-in clinic with extremely labored breathing and a history of asthma that is unresponsive to prescribed inhalers or medications. What would you do first?

Correct Answer is D

Explanation

The diagnosis of Cushing syndrome is often based on:

What would happen if your patient did not have alpha cells of the pancreas?

Your patient is experiencing peripheral edema, hepatomegaly, ascites, and splenomegaly. Which of the following conditions would be consistent with the patient's findings?

Which of the following increases the risk for renal calculi?

Inflammation is ultimately needed to:

Which lab values would you expect to see when a patient with type 1 diabetes presents in ketoacidosis?

Which mechanism increases peripheral vascular resistance and contributes to the development of hypertension?