NEW
Font size
WorksheetsINFECTION CONTROL
Total questions: 50
Worksheet time: 17mins
1 Name all the common physical agents used for the sterilization process in healthcare facilities such as microbiology laboratories, hospitals, and biotechnology industries
a. Dry heat
b. Dettol
c. formalin
d. Phenols
2. Autoclave method is the most common and reliable sterilization process used in the microbiology laboratory. Which of the following are the recommended heat temperature and time periods for the moist heat sterilization method used in an autoclave?
a. 180 o c for 5 minutes
b. 121o c for 15 minutes
c. 126o c for 3 minutes
d. 160 oc for 45 minutes
3. What is the correct statement for the term 'Bioburden'?
a. The number of microorganisms present on the surface
b. The bacterial spores present on the surface after the sterilization of the surface
c. The process of elimination of microorganisms by using physical agents
d. The aseptic process for the maintenance of the sterility of the surface
4. Which of the following best describes the process of 'Disinfection'?
a. The elimination of all forms of microorganisms and bacterial spores
b. The elimination of all forms of bacterial spores
c. The reduction or elimination of microorganisms and bacterial spores
d. The reduction or elimination of many microorganisms and some bacterial spores
5. Name the sterilization agent that is most frequently used in hospitals and clinical laboratories for the heat-labile liquid substances or antibiotics
a. Dry heat
b. Radiation
c. Filtration
d. Formaldehyde
6. Which of the following methods has been found safe and effective in the elimination of COVID-19?
a. Use of 60-70 % isopropyl alcohol
b. Use of antibacterial ointments
c. Hand wash with Soap and water
d. Intake of antibiotics when symptoms appear
7. Which of the following ''water purification'' methods is most common in the rural parts of the countries like India, Nepal, and Africa that is also a simple, reliable, and economical method?
a. Solar disinfection
b. Chlorination
c. Advanced purifiers
d. Salt
8. All of the following chemical disinfectants used in laboratories and healthcare industries have been found to be effective against many bacteria, fungi, and viruses, Except?
a. Alcohol
b. Ethylene oxide
c. Formaldehyde
d. Steam heat
9. Which of the following sterilizing agent is found to have less or no sporicidal activity?
a. Hot air oven
b. Ethyl alcohol
c. Pasteurization
d. Autoclave
10. Name the spore containing the pathogen which shows resistance to heat and is usually not destroyed by using heat at 100 degrees Celsius.
a. E. coli
b. Candida albicans
c. Vibrio cholera
d. Clostridium perfringens
11. Joseph Lister first introduced the use of antiseptics in hospitals, what is the name of the chemical he used for the antisepsis process?
a. Ethyl alcohol
b. Carbolic acid
c. Hydrogen peroxide
d. Chlorohexidine
12. The Quality and Safety of products in pharmaceutical industries, food, and other biotechnology companies are mainly controlled by which of the following regulation departments in the USA?
a. Food and drug administration
b. International Standard Organization 9001
c. Good manufacturing practices
d. Center for Disease Control and prevention
13. Which of the following is the correct definition for the 'pasteurization' process of milk and fermented products?
a. The sterilization method that uses heat at a boiling temperature of 100 degrees Celsius
b. The sterilization method that uses heat at 100 to 120 degrees Celsius
c. The sterilization method that uses moist heat below 100 degrees Celsius
d. The sterilization method that uses moist heat above 100 degrees Celsius
14. Nonionizing radiation and ionizing radiation are sterilization methods mainly used in hospitals. Ultraviolet radiation is one example of nonionizing radiation, name the ionizing radiation?
a. Infrared
b. X-rays and gamma rays
c. Halogens
d. Ethylene oxide
15. Identify the temperature and time period commonly used for the hot air oven while sterilizing glassware in the laboratory
a. 180 degrees Celsius for 30 mins
b. 63 degrees Celsius for 30 mins
c. 121 degrees Celsius for 15 mins
c. 160 degrees Celsius for 45 mins
16. This Symbol indicate
a. Poison
b. Danger
c. Biohazards
d. Recycle
17. Select all the common and effective methods of disinfection that can help in reducing the highly transmissible waterborne infections like typhoid and cholera.
a. Boiling of the water
b. Using chlorine for purification
c. Use of water filters
d. All of the above
18. Good sanitation practices have played a vital role in reducing the spread of Covid-19 infection and other respiratory diseases. All of the following are important sanitation practices that can help in killing or reducing viable pathogens, Except?
a. Handwashing and use of an oral mask for personal hygiene
b. Use of chemical disinfectants to clean the surface area
c. Fumigation of area for the decontamination of air
d. Getting the recommended vaccine shot against the diseases
Cleaning of objects with chemical agents
19. What is the correct meaning of the term known as the 'terminal sterilization process?
a. The initial sterilization of the raw materials for the product
b. The final sterilization of the healthcare products and medical devices
c. The decontamination of the environmental bioburden
d. The aseptic technique used during the manufacturing process of the product
20. Name the chemical which is an active ingredient of 'bleach', a household decontamination product used to kill bacteria, fungi, and viruses?
a. Sodium chloride
b. Ethylene oxide
c. Sodium hypochlorite
d. Ethyl alcohol
21. Hand washing is critical to infection control. Which of these is not considered as cleaning agent?
Water
Alcohol hand gel
Liquid soap
None of these
22. When handling items which are soiled with bodily fluids, it’s important to wear gloves. Which of these would not be suitable?
a. Latex
b. Neoprene
c. Polythene
d. plastic
23. Which color bag should you use when disposing of clinical waste?
a. Red
b. Yellow
c. Green
d. White
24. Which of the following can be worn on hands during patient care?
a. Ring with a plain band
b. False nails
c. Rings with stones
d. None of the above
25. In which color bin the tube which is shown in the picture has to be discarded.
a. Blue
b. Yellow
c. Red
d. Black
26. What container would you put a cytotoxic vial into?
a) Red pail
b) Sharps container
c) Pharma pail
d) Grey tote/yellow pail
27. What container would you choose for a placenta?
a. Red
b. Grey
c. Yellow
d. Blue
28. Where would you discard pills?
a. Down the toilet
b. In the regular waste
c. Pharma pail
d. Red pail
29. Where would you put a blood product pack?
a. Red pail
b. Grey tote/Yellow pail
c. Regular waste
d. Pharma pail
30. Where would you put a scalpel?
a. Yellow
b. Red
c. Blue
d. Sharps container
31. Which of the following is not included in Standard Infection Control Precautions?
a. Management of blood and bodily fluid spillage
b. Patient’s personal hygiene
c. Safe handling of linen
d. Cleanliness of care equipment
32. How long should hands be washed for after wetting hands and applying soap?
a. 5 seconds
b. 2-3 minutes
c. For as long as you feel appropriate
d. 15-20 seconds
33. Which method of disinfection can be suitable for patient room?
a. Sterilization
b. Fumigation
c. Incineration
d. Autoclaving
34. When should you dispose of a plastic disposable apron?
a. At the end of each shift
b. Every hour
c. Between caring for each patient
d. After it’s been washed once
35. Which of the following would not be advisable when cleaning a faeces spillage?
a. Discarding disposables as household waste
b. Washing hands
c. Putting on an apron and gloves
d. Removing the spillage with disposable paper towels
36.What Does PPE stand for?
a. Protective Preventive Equipment
b. Personal Preventive equipment
c. Personal Protective Equipment
d. Peoples Protective Equipment
37. What is the definition of a ‘single use’ item?
a. An item that can be used by a single patient, multiple times
b. An item that can only be used once before it needs disinfecting
c. An item that can only be used once before being disposed of
d. An item that can only be used for a single day
38. What type of protection is needed when you are exposed to hazards from flying particles?
a. Eye Protection
b. Face Protection
c. Head Protection
d. Both a & b
39. Removal and Killing of microorganism is known as
a. Destruction
b. Sterilization
c. Pasteurization
d. Removal
40. Identify the term that is used to ensure surgical instrument are free from microorganism.
a. Disinfection
b. Cleaning
c. Debrided
d. Sterilization
41. Portal of Entry means.
a. Transferred or spread
b. Invasion of the body by pathogenic microorganisms that multiply, causing disease or damage to tissue
c. Route by which microorganisms leave the body
d. Pathway by which microorganisms enter the body
42. Which of the following is not a physical disinfection method?
a. Heat
b. Sunlight
c. Metals
d. UV
43. which of the following means cannot be used for sterilization?
a. Physical
b. Chemical
c. Physiochemical
d. Biological
44. what is the process of elimination of most pathogenic microorganisms.
a. Pyrolysis
b. Incineration
c. Disinfection
d. Sterilization
45. What is the chemical or mechanical cleaning process called
a. Sterilization
b. Disinfection
c. Decontamination
d. Sanitization
46. Portal of exit means.
a. Route by which microorganisms leave the body
b. Transferred or spread
c. Route by which microorganisms enter the body
d. None of these
47. Organisms leave the body through all of the following except through
a. Excessive perspiration
b. Drainage of wound
c. Saliva and blood
d. Urine and feces
48. Microorganisms are spread by all of the following except:
a. Moisture in the air
b. Sterile items
c. Contaminated food
d. Contact of secretions
49. Who is considered a susceptible host?
a. Everyone who is in a long term care facility
b. Everyone who is working in a hospital or long term care facility
c. Everyone who has low resistance or decreased immunity
d. Everyone who has low resistance or increased immunity
50. The most commonly used disinfectant for drinking water through out the world is
a. Alum
b. Nitrogen
c. Lime
d. Chlorine
