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

Only hand washing

Answer

Only isolation

Answer

Only antibiotics

Question 2

What are standard precautions?

Accepted Answer

Infection prevention practices applied to all patient care regardless of diagnosis

Answer

Precautions only for contagious patients

Answer

Emergency procedures only

Answer

Fire safety protocols

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

Only before lunch

Answer

Once per shift

Answer

Only when hands are visibly dirty

Question 4

What is contact isolation?

Accepted Answer

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

Answer

Isolating the patient from all visitors

Answer

Only wearing masks

Answer

Normal care without special equipment

Question 5

What is a healthcare-associated infection (HAI)?

Accepted Answer

An infection acquired during the course of receiving healthcare treatment

Answer

A pre-existing condition

Answer

An infection from home

Answer

A community-acquired illness

Question 6

What is proper PPE donning and doffing sequence?

Accepted Answer

Don: gown, mask, goggles, gloves. Doff: gloves, goggles, gown, mask — with hand hygiene between steps

Answer

Any order is acceptable

Answer

Gloves first always

Answer

Remove everything at once