LVN Infection Control

Question 1

What is the chain of infection?

Accepted Answer

Infectious agent, reservoir, portal of exit, mode of transmission, portal of entry, susceptible host

Answer

Breaking any link in this chain prevents infection transmission.

Question 2

What are standard precautions?

Accepted Answer

Infection prevention practices applied to all patient care regardless of diagnosis

Answer

Standard precautions assume all patients may be infectious and include hand hygiene, PPE, and safe injection practices.

Question 3

When should hand hygiene be performed?

Accepted Answer

Before and after patient contact, before procedures, after body fluid exposure, and after touching surfaces

Answer

Hand hygiene at the five key moments is the most effective way to prevent healthcare-associated infections.

Question 4

What is contact isolation?

Accepted Answer

Precautions for patients with infections spread by direct or indirect contact, requiring gown and gloves

Answer

Contact precautions include gown and gloves for all patient contact, plus dedicated equipment.

Question 5

What is a healthcare-associated infection (HAI)?

Accepted Answer

An infection acquired during the course of receiving healthcare treatment

Answer

HAIs occur during healthcare delivery and were not present at admission, representing a significant patient safety concern.

(LVN) Licensed Vocational Nurse Practice Test