Certified Gastroenterology RN Infection Control and Safety 3

Question 1

What is the single most effective measure to prevent transmission of infection in the endoscopy suite?

Accepted Answer

Proper hand hygiene

Answer

Hand hygiene is consistently the most effective, evidence-based way to reduce healthcare-associated infection transmission.

Question 2

Standard Precautions in the GI lab are based on which principle?

Accepted Answer

All blood and body fluids are treated as potentially infectious

Answer

Standard Precautions assume every patient's blood and body fluids may carry infectious agents regardless of diagnosis.

Question 3

A patient is admitted with Clostridioides difficile. Which hand hygiene method is required after care?

Accepted Answer

Soap and water washing

Answer

C. difficile spores are not killed by alcohol, so mechanical removal with soap and water is required.

Question 4

When should a nurse perform hand hygiene relative to patient contact in the endoscopy unit?

Accepted Answer

Before and after patient contact, even when gloves are used

Answer

Hand hygiene is performed before and after contact because gloves are not a substitute for clean hands.

Question 5

Which type of precaution is appropriate for a patient with active pulmonary tuberculosis undergoing endoscopy?

Accepted Answer

Airborne precautions with an N95 respirator and negative-pressure room

Answer

Pulmonary TB requires airborne precautions including a fit-tested N95 respirator and a negative-pressure environment.

Certified Gastroenterology RN Practice Test