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

Esophageal cancer screening with EGD

Answer

Gastric cancer screening with barium swallow

Answer

Small bowel cancer screening with capsule endoscopy

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

No difference

Answer

Diagnostic uses sedation while therapeutic does not

Answer

Diagnostic is by nurses, therapeutic by physicians

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

A virus causing stomach flu

Answer

A normal part of the gut microbiome

Answer

A fungal infection of the esophagus

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

Esophageal varices

Answer

Colonic polyps in colonoscopy refusers

Answer

Biliary duct stones

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

Type of monitoring required

Answer

Cost of procedure

Answer

Moderate uses IV, deep uses inhaled anesthetics

Question 6

What is the recommended method for handling biopsy specimens during endoscopy?

Accepted Answer

Separate labeled containers with formalin for each site, with accurate location documentation

Answer

Place all in a single container

Answer

Air-dry before placing in transport media

Answer

The nurse does not handle specimens