Infection Control and Disinfection Quiz

Which of the following best describes the main aim of infection control procedures in healthcare settings?

• To reduce the cost of cleaning supplies

• To prevent the spread of infectious diseases

• To improve the appearance of the facility

• To increase patient turnover

What is the primary difference between disinfection and sterilisation?

• Disinfection removes all microorganisms, sterilisation only removes some

• Disinfection removes visible dirt, sterilisation does not

• Sterilisation destroys all forms of microbial life, disinfection reduces the number of microorganisms

• Disinfection is only used on skin, sterilisation is only used on instruments

Which of the following is an example of a physical method of sterilisation?

• Using sodium hypochlorous acid

• High-pressure steam (autoclaving)

• Alcohol wipes

• Chlorine tablets

What does COSHH stand for?

• Control of Substances Hazardous to Health

• Control of Sanitation and Hygiene Hazards

• Care of Sterile and Hygienic Health

• Cleaning of Surfaces and Health Hazards

Which of the following is a key function of a HEPA filter?

• To add fragrance to the air

• To remove at least 99.97% of airborne particles as small as 0.3 microns

• To sterilise surgical instruments

• To disinfect surfaces

Which cleaning agent is most effective for killing a broad spectrum of bacteria and viruses on surfaces?

• Water

• Sodium hypochlorous acid

• Soap

• Vinegar

What is the purpose of colour-coding cleaning equipment in healthcare environments?

• To match the décor

• To prevent cross-contamination between different areas

• To make cleaning more enjoyable

• To reduce the cost of cleaning supplies

Which of the following is NOT a method of physical sterilisation?

• High-pressure steam

• Irradiation

• Filtration

• Alcohol wipes

Which type of radiation is commonly used for sterilising medical equipment?

• Infrared radiation

• Gamma radiation

• Microwave radiation

• Radio waves

What is the main risk associated with improper use of cleaning agents under COSHH regulations?

• Increased cost

• Health hazards to staff and patients

• Unpleasant odours

• Reduced cleaning speed