GI Endoscopy & Procedural Care

Question 1

What is the primary purpose of a colonoscopy?

Accepted Answer

To visualize the entire large intestine from rectum to cecum

Answer

To examine the esophagus and stomach

Answer

To assess the small intestine for bleeding

Answer

To evaluate bile duct obstruction

Question 2

Which patient position is typically used for the insertion phase of a colonoscopy?

Accepted Answer

Left lateral decubitus (Sims' position)

Answer

Supine with legs elevated

Answer

Prone with head turned to the side

Answer

Fowler's position at 45 degrees

Question 3

Which medication class is most commonly used for conscious sedation during upper endoscopy?

Accepted Answer

Benzodiazepines such as midazolam

Answer

Anticholinergics such as atropine

Answer

Beta-blockers such as metoprolol

Answer

Antihistamines such as diphenhydramine

Question 4

Which complication is most specifically associated with ERCP compared to other endoscopic procedures?

Accepted Answer

Post-procedural pancreatitis

Answer

Aspiration pneumonia

Answer

Colonic perforation

Answer

Esophageal stricture formation

Question 5

Per current fasting guidelines, how long should a patient be NPO before an elective upper endoscopy (EGD)?

Accepted Answer

At least 6 hours for solids and 2 hours for clear liquids

Answer

2 hours for all food and liquids

Answer

12 hours for all food and liquids

Answer

No fasting required if only taking oral medications

Question 6

Which parameters must be continuously monitored in a patient receiving conscious sedation during endoscopy?

Accepted Answer

Oxygen saturation, heart rate, blood pressure, and respiratory rate

Answer

Blood glucose and urine output only

Answer

Temperature and blood pressure only

Answer

Oxygen saturation and pupillary response only

Question 7

Which finding during colonoscopy requires immediate physician notification and potential emergency response?

Accepted Answer

Signs of perforation with active hemorrhage

Answer

Multiple colonic diverticula without bleeding

Answer

Diminutive polyps under 5mm in size

Answer

Mild patchy mucosal erythema