Certified Gastroenterology RN Endoscopic Procedures and Equipment 4

Question 1

A patient on the endoscopy schedule for variceal band ligation suddenly vomits bright red blood in pre-op. What is the nurse's priority action?

Accepted Answer

Position the patient to protect the airway and notify the team immediately

Answer

Active variceal hemorrhage threatens the airway from aspiration, making airway protection and rapid escalation the priority.

Question 2

Which device is used to achieve hemostasis by delivering ionized argon gas without tissue contact?

Accepted Answer

Argon plasma coagulation probe

Answer

Argon plasma coagulation is a non-contact thermal method that conducts current through ionized argon gas to coagulate tissue.

Question 3

What is the purpose of applying a bite block before upper endoscopy?

Accepted Answer

Protect the patient's teeth and prevent damage to the endoscope

Answer

The bite block prevents the patient from biting the insertion tube while also protecting dentition.

Question 4

During polypectomy with electrocautery, the nurse verifies the grounding pad placement. Where should the pad be applied?

Accepted Answer

Over a large, well-perfused muscle mass close to the surgical site, avoiding bony prominences

Answer

The dispersive electrode must sit on well-vascularized muscle away from bone and implants to prevent burns.

Question 5

A patient returns from colonoscopy with polypectomy and reports increasing abdominal pain, fever, and tachycardia 12 hours later without rebound tenderness or free air on imaging. What should the nurse suspect?

Accepted Answer

Post-polypectomy electrocoagulation syndrome

Answer

Transmural burn from cautery can cause localized peritoneal irritation with fever and pain without frank perforation.

Certified Gastroenterology RN Practice Test

Certified Gastroenterology RN Practice Test

Certified Gastroenterology RN Endoscopic Procedures and Equipment 4