CGRN Lower Endoscopy Procedures 2

Question 1

What is the recommended minimum withdrawal time during a screening colonoscopy?

Accepted Answer

6 minutes

Answer

2 minutes

Answer

4 minutes

Answer

10 minutes

Question 2

During colonoscopy, a 1.5 cm sessile polyp is encountered. Which removal technique is most appropriate?

Accepted Answer

Endoscopic mucosal resection (EMR)

Answer

Cold forceps biopsy

Answer

Cold snare polypectomy

Answer

Observation only

Question 3

Which bowel preparation outcome is adequate according to the Boston Bowel Preparation Scale?

Accepted Answer

Total score of 6 or higher with each segment at least 2

Answer

Total score of 3 or higher

Answer

Total score of 9 (perfect)

Answer

Any score where the cecum is reached

Question 4

What is the primary risk associated with electrocautery polypectomy in the right colon compared to the left?

Accepted Answer

Higher perforation rate due to thinner wall

Answer

Higher bleeding rate

Answer

Increased polyp recurrence

Answer

Greater patient discomfort

Question 5

A patient taking clopidogrel for a recent coronary stent needs elective colonoscopy with polypectomy. How should the medication be managed?

Accepted Answer

Discontinue 7 days before

Answer

Continue without interruption

Answer

Switch to aspirin 5 days before

Answer

Hold for 24 hours before

Question 6

What anatomic landmark confirms cecal intubation during colonoscopy?

Accepted Answer

Appendiceal orifice and triradiate fold

Answer

Hepatic flexure

Answer

Splenic flexure

Answer

Ileocecal valve only