Infection Control Flashcards
The technique used for separating clean and dirty areas is called
- Sterilisation
- Cross infection
- Zoning
- Inoculation
Zoning
Chlorhexidne gluconate is a type of disinfectant that is used in the dental workplace. What is it most commonly used for?
A. For use as a skin cleaner
B. To disinfect metallic surfaces
C. To disinfect dental impressions
D. To disinfect work surfaces
For use as a skin cleaner
Which of the following items of PPE is most important in preventing cross infection by aerosol spray?
A. Mask
B. Plastic apron
C. Visor
D. Safety glasses
Mask
Which of the following is sterilised using industrial sterilisation (gamma radiation)?
A. Mouth mirror
B. Suture silk and needle
C. Extraction forceps
D. Wide bore suction tip
Suture silk and needle
Ultrasonic baths are used to:
A. Disinfect hand pieces
B. Clean impressions before sending them to laboratory
C. Remove debris before autoclaving
D. Sterilise hand instruments
Remove debris before autoclaving
Which of the following micro organisms is responsible for causing oral thrush?
A. Streptococcus mutans
B. Bacillus fusiformis
C. Herpes Varicella
D. Candida albicans
Candida albicans
You are looking at a bacteria under a microscope and see that it is round shape. Which type of bacteria are you looking at?
A. Cocci
B. Spores
C. Bailli
D. Spirochete
Cocci
What is the name of the bacteria that presents in the oral cavity and is capable of initiating dental caries?
A. Bacillus fusiformis
B. Actinomyces
C. Trepoenema Vincenti
D. Streptococcus mutans
Streptococcus mutans
During decontamination of the clinical area, work surfaces are wiped down to remove potential contamination by micro organisms. Which one of the following options describes the action of these cleaning agents?
A. Bactericidal
B. Decontaminant
C. Viricidal
D. Bacteriostatic
Viricidal
You are looking at bacteria under a microscope and see that it is round in shape. Which type of bacteria are you looking at?
A. Spirochetes
B. Cocci
C. Bacilli
D. Spores
Cocci
Creutzfeldt - Jakob disease CJD is caused by which of the following?
A. Bacteria
B. Prions
D. Spores
D. Virus
Prions
Hand hygiene is important in minimising the risk of cross infection in the dental workplace. Which one of the following levels of hand hygiene aims to physically remove routinely acquired microorganisms?
A. Clnicial
B. Hygienic
C. Social
D. Surgical
Social
Cross infection may occur in the dental workplace in a variety of ways. Which one of the following options describes the least likely method for cross infection incident to occur in a well organised environment?
A. Aerosol spray
B. Direct contact
C. Inoculation injury
D. Particle splatter
Aerosol spray
What is the correct term used to describe a person who is infected with a pathogenic microorganism but who shows no outward signs of disease?
A. Carrier
B. Contaminated
C. High risk
D. Infectious
Carrier
There are various levels of cleanliness referred to in the clinical setting. Which one of the following options is the term used when only bacteria and fungi have been destroyed by the cleaning method involved?
A. Aseptic
B. Disinfected
C. Socially clean
D. Sterillised
Disinfected
