BRPT Infection Control and Safety Protocols 2

Question 1

EEG gold cup electrodes that are reused between patients should be processed using which minimum standard?

Accepted Answer

High-level disinfection or sterilization

Answer

Low-level disinfection with a quaternary ammonium compound

Answer

Intermediate-level disinfection with 70% isopropyl alcohol wipe

Answer

Simple soap and water wash

Question 2

Glutaraldehyde (e.g., Cidex) used for high-level disinfection of sleep study equipment is considered hazardous because it:

Accepted Answer

Can cause respiratory irritation, skin sensitization, and mucous membrane damage

Answer

Is carcinogenic at any exposure level

Answer

Inactivates all viruses but not bacteria

Answer

Must be heated above 60°C to be effective

Question 3

Which sterilization method is preferred for heat-sensitive sleep lab equipment such as CPAP circuit tubing?

Accepted Answer

Ethylene oxide (EtO) gas sterilization

Answer

Steam autoclave at 134°C

Answer

Dry heat at 160°C for 2 hours

Answer

Ultraviolet (UV) light exposure

Question 4

A patient arrives for a sleep study with an active MRSA wound infection. Which precautions should be implemented in addition to Standard Precautions?

Accepted Answer

Contact precautions

Answer

Airborne precautions

Answer

Droplet precautions

Answer

Reverse isolation

Question 5

After removing PPE following care of an isolation patient, in which order should items be removed to minimize self-contamination?

Accepted Answer

Gloves → gown → goggles/face shield → mask/respirator → hand hygiene

Answer

Gloves → goggles/face shield → gown → mask/respirator → hand hygiene

Answer

Gown → gloves → goggles/face shield → mask/respirator → hand hygiene

Answer

Mask → gloves → gown → goggles → hand hygiene

Question 6

Which agent is classified as an intermediate-level disinfectant and is commonly used for routine cleaning of sleep lab environmental surfaces?

Accepted Answer

70% isopropyl alcohol

Answer

Quaternary ammonium compounds (quats)

Answer

0.5% hydrogen peroxide

Answer

Glutaraldehyde 2.4%

Question 7

When must a polysomnographic technologist change gloves during a patient sleep study?

Accepted Answer

Between contact with different body sites on the same patient and between patients

Answer

Only when moving between patients

Answer

Only when gloves are visibly torn

Answer

Once per hour regardless of contact type