Multiple Choice Questions (MCQ)

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Category: Surgery--->Small Intestine
Page: 3

Question 11# Print Question

Therapy of a small bowel obstruction usually consists of prompt surgical correction. In patients with no evidence of closed -loop obstruction, and in whom there is no fever or leukocytosis or tachycardia, a period of careful observation with nasogastric decompression may be successful in all of the following conditions EXCEPT:

A. Partial small bowel obstruction
B. Obstruction in the early postoperative period
C. Obstruction due to Crohn disease
D. Obstruction due to an internal hernia

Question 12# Print Question

Interventions which may reduce the incidence and duration of postoperative ileus include all of the following EXCEPT:

A. Epidural analgesia
B. A μ-opioid receptor antagonist
C. Intravenous erythromycin
D. Avoiding excess intra- and postoperative fluid administration

Question 13# Print Question

Risk factors for the development of Crohn's disease include all of the following EXCEPT:

A. Having a family member with Crohn's disease
B. Smoking
C. Having Chinese ancestry
D. Having Ashkenazi Jewish ancestry

Question 14# Print Question

The primary genetic defect associated with Crohn's disease is a mutation of the NOD2 gene on chromosome 16. This gene encodes for a protein product which:

A. Mediates the innate immune response to microbial pathogens
B. Activates stellate cells to produce collagen
C. Regulates the rate of crypt-to-villus enterocyte migration
D. Mediates the production of enterocyte alkaline phosphatase

Question 15# Print Question

In the resection of a stenotic area of intestine in a patient with Crohn's disease, the best approach is:

A. A resection margin of 2 cm from gross disease
B. A resection margin of 12 cm from gross disease
C. A resection margin 2 cm from microscopic disease on frozen section
D. A resection margin 12 cm from microscopic disease on frozen section

Category: Surgery--->Small Intestine
Page: 3 of 5