CRCST Practice Exam

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Which endoscope would be dispensed for a procedure that requires visualization of the lower part of the large intestine?

  1. Gastroscope

  2. Sigmoidoscope

  3. Colonoscope

  4. Bronchoscope

The correct answer is: Sigmoidoscope

A sigmoidoscope would be dispensed for a procedure that requires visualization of the lower part of the large intestine. The sigmoidoscope is specifically designed to examine the sigmoid colon, which is part of the large intestine located just before the rectum. Options A, C, and D are not the correct choices because: - A gastroscope is used to examine the upper gastrointestinal tract, including the esophagus, stomach, and duodenum. - A colonoscope is used to examine the entire colon, not just the lower part. - A bronchoscope is used to examine the airways in the lungs, not the large intestine. Therefore, the correct choice is B, the sigmoidoscope, for visualizing the lower part of the large intestine.

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