Which is false regarding ideal wrapping materials for sterilization?
A. Need to be permeable to steam or appropriate gases
B. Heat resistant
C. Long shelf life
D. Extensive wrap memory
E. Strong and durable
Ans: D. Extensive wrap memory
Quiz How does a steam sterilizer/autoclave kill microorganisms?
A. Coagulation and denaturation of proteins by moist heat
B. By alkylation of proteins and nucleic acids
C. Obstructing cell metabolism
D. Oxidizes molecules to cause destruction of microorganisms
,E. Electromagnetic energy
Ans: A. Coagulation and denaturation of proteins by moist heat
Quiz What does cold sterilization mean?
A. Cooling instruments to achieve acceptable reduction in microbial presence
B. Heating instruments to achieve acceptable reduction in microbial presence
C. Soaking instruments in disinfectant to achieve acceptable reduction in
microbial presence
D. All of the above
E. None of the above
Ans: C. Soaking instruments in disinfectant to achieve acceptable reduction in
microbial presence
Quiz Which method of cleaning is most effective for surgical instruments?
A. Manual cleaning
B. Mechanical cleaning
C. Chemical cleaning
D. Manual and chemical cleaning
E. All of the above
, Ans: B. Mechanical cleaning
Quiz When considering the need for sterilization of equipment, semi-critical items
are defined as:
A. Those associated with high risk for infection if they become contaminated
because they come into contact with the bloodstream or sterile tissues
B. Those that come in contact with mucous membranes or non intact skin and
should be subject to sterilization or high-level disinfection
C. Those that contact only skin and should be disinfected with intermediate-level
disinfectants
D. Those that are used in the process of sterilization and require aseptic handling
E. None of the above
Ans: B. Those that come in contact with mucous membranes or non intact skin and
should be subject to sterilization or high-level disinfection
Quiz Which of the following should be considered as a disinfectant rather than a
sterilant?
A. Glutaraldehyde
B. Ortho-phthalaldehyde
C. Formaldehyde 37% solution
D. Hydrogen peroxide 7.5% solution
E. Quaternary ammonium and hypochlorites
A. Need to be permeable to steam or appropriate gases
B. Heat resistant
C. Long shelf life
D. Extensive wrap memory
E. Strong and durable
Ans: D. Extensive wrap memory
Quiz How does a steam sterilizer/autoclave kill microorganisms?
A. Coagulation and denaturation of proteins by moist heat
B. By alkylation of proteins and nucleic acids
C. Obstructing cell metabolism
D. Oxidizes molecules to cause destruction of microorganisms
,E. Electromagnetic energy
Ans: A. Coagulation and denaturation of proteins by moist heat
Quiz What does cold sterilization mean?
A. Cooling instruments to achieve acceptable reduction in microbial presence
B. Heating instruments to achieve acceptable reduction in microbial presence
C. Soaking instruments in disinfectant to achieve acceptable reduction in
microbial presence
D. All of the above
E. None of the above
Ans: C. Soaking instruments in disinfectant to achieve acceptable reduction in
microbial presence
Quiz Which method of cleaning is most effective for surgical instruments?
A. Manual cleaning
B. Mechanical cleaning
C. Chemical cleaning
D. Manual and chemical cleaning
E. All of the above
, Ans: B. Mechanical cleaning
Quiz When considering the need for sterilization of equipment, semi-critical items
are defined as:
A. Those associated with high risk for infection if they become contaminated
because they come into contact with the bloodstream or sterile tissues
B. Those that come in contact with mucous membranes or non intact skin and
should be subject to sterilization or high-level disinfection
C. Those that contact only skin and should be disinfected with intermediate-level
disinfectants
D. Those that are used in the process of sterilization and require aseptic handling
E. None of the above
Ans: B. Those that come in contact with mucous membranes or non intact skin and
should be subject to sterilization or high-level disinfection
Quiz Which of the following should be considered as a disinfectant rather than a
sterilant?
A. Glutaraldehyde
B. Ortho-phthalaldehyde
C. Formaldehyde 37% solution
D. Hydrogen peroxide 7.5% solution
E. Quaternary ammonium and hypochlorites
