CGRN General 3

Question 1

Which type of GI cancer screening has the strongest evidence for reducing cancer mortality?

Accepted Answer

Colorectal cancer screening with colonoscopy

Answer

Colorectal cancer screening with colonoscopy has the strongest evidence for reducing cancer incidence and mortality.

Question 2

What is the difference between diagnostic and therapeutic endoscopy?

Accepted Answer

Diagnostic examines and biopsies; therapeutic treats conditions like bleeding, strictures, or removes lesions

Answer

Diagnostic endoscopy focuses on visualization and biopsy; therapeutic involves interventional treatment.

Question 3

A patient asks what Helicobacter pylori is. Which response is most accurate?

Accepted Answer

A bacterium that colonizes the stomach and is the primary cause of peptic ulcers and a risk factor for gastric cancer

Answer

H. pylori is a gram-negative bacterium causing peptic ulcers and classified as a WHO Group 1 carcinogen.

Question 4

What is capsule endoscopy primarily used to evaluate?

Accepted Answer

Small bowel pathology including obscure GI bleeding, Crohn's disease, and tumors

Answer

Capsule endoscopy visualizes the small bowel, largely inaccessible to conventional endoscopy.

Question 5

What is the primary difference between moderate and deep sedation in endoscopy?

Accepted Answer

In moderate sedation patients respond purposefully to verbal/tactile stimulation; in deep sedation patients respond only to repeated or painful stimulation

Answer

The key distinction is patient responsiveness and status of protective reflexes.

CGRN - Certified Gastroenterology Registered Nurse Practice Test

CGRN - Certified Gastroenterology Registered Nurse Practice Test

CGRN General 3