LVN Infection Control & Safety Practices 5

Question 1

A nurse accidentally spills blood on the countertop. Which is the correct sequence for decontamination?

Accepted Answer

Wipe visible blood away first, then apply an EPA-approved disinfectant

Answer

Visible organic material must first be removed mechanically because it inactivates disinfectants; then the surface is disinfected with an EPA-approved agent.

Question 2

Which patient is the most appropriate candidate for protective (reverse) isolation?

Accepted Answer

A neutropenic patient receiving chemotherapy with ANC < 500

Answer

Protective isolation shields severely immunocompromised patients (like those with severe neutropenia) from environmental pathogens and staff/visitor organisms.

Question 3

During a fire emergency (RACE protocol), what does the letter 'C' stand for?

Accepted Answer

Contain the fire by closing doors

Answer

In the RACE mnemonic — Rescue, Alarm, Contain, Extinguish/Evacuate — Contain means closing doors to slow fire and smoke spread.

Question 4

The nurse is caring for a patient with herpes zoster (shingles) involving a rash covered by clothing. Which precautions are required?

Accepted Answer

Contact precautions in addition to standard precautions

Answer

Localized zoster with covered lesions requires contact precautions; disseminated or immunocompromised cases additionally require airborne precautions.

Question 5

Which statement about hand hygiene timing is correct according to the WHO 'Five Moments'?

Accepted Answer

Hand hygiene must occur before and after patient contact, and after contact with the patient's environment

Answer

The WHO Five Moments include: before patient contact, before aseptic tasks, after body fluid exposure, after patient contact, and after touching the patient's environment.

(LVN) Licensed Vocational Nurses Certification Practice Test

(LVN) Licensed Vocational Nurses Certification Practice Test

LVN Infection Control & Safety Practices 5