CBIC Trivia 3

Question 1

Which of the following pathogens is most commonly associated with healthcare-associated pneumonia in ventilated patients?

Accepted Answer

All of the above are common causes

Answer

Ventilator-associated pneumonia (VAP) is polymicrobial and frequently caused by gram-negative rods such as Pseudomonas and Klebsiella as well as gram-positive S. aureus.

Question 2

The term 'sterilization' is best defined as:

Accepted Answer

Destruction of all forms of microbial life including spores

Answer

Sterilization destroys all forms of microbial life, including highly resistant bacterial endospores, unlike disinfection which may spare spores.

Question 3

In Spaulding's classification system, which category of medical devices requires sterilization before use?

Accepted Answer

Critical items

Answer

Critical items contact sterile tissue or the vascular system and carry the highest risk of infection; they must be sterilized.

Question 4

What is the minimum contact time required for most EPA-registered hospital disinfectants to achieve their labeled kill claim?

Accepted Answer

The wet contact time listed on the product label

Answer

The surface must remain visibly wet for the full contact time stated on the EPA-registered product label to ensure efficacy.

Question 5

Which bloodborne pathogen has the highest risk of transmission following a needlestick injury from an infected source patient?

Accepted Answer

Hepatitis B virus (HBV)

Answer

HBV has the highest post-exposure transmission risk, estimated at 6–30% per needlestick from an HBeAg-positive source, compared to ~1.8% for HCV and ~0.3% for HIV.

CBIC - Certification Board of Infection Control Practice Test

CBIC - Certification Board of Infection Control Practice Test

CBIC Trivia 3