IAHCSMM CRCST 8TH EDITION - CHAPTER 9 (Complete) Question and answers rated A+ 2023CHAPTER 9 - TERMS
CHAPTER 9 - TERMS
Bactericidal
Relating to the destruction of bacteria.
Sterilization
The process by which all forms of microbial life, including bacteria, viruses, spores and fungi...
IAHCSMM CRCST 8TH EDITION - CHAPTER 9 (Complete) Question and answers rated A+ 2023
CHAPTER 9 - TERMS - correct answer CHAPTER 9 - TERMS
Bactericidal - correct answer Relating to the destruction of bacteria.
Sterilization - correct answer The process by which all forms of microbial life, including
bacteria, viruses, spores and fungi, are completely destroyed.
Disinfection - correct answer The destruction of nearly all pathogenic microorganisms on an inanimate (non-living) surface.
Disinfectant - correct answer A chemical that kills most pathogenic organisms, but does not kill all spores.
Spaulding Classification System - correct answer A system developed by Dr. E. H. Spaulding that divides medical devices into categories based on the risk of infection involved with their use.
Sterile/sterilized - correct answer Completely devoid of all living microorganisms.
High-level disinfection - correct answer The destruction of all vegetative microorganisms, mycobacterium, small or nonlipid viruses, medium or lipid viruses, fungal spores and some bacterial spores.
Low-level disinfection - correct answer The destruction of vegetative forms of bacteria,
some fungi and lipid viruses (but not bacterial spores).
Intermediate-level disinfection - correct answer The destruction of viruses, mycobacteria, fungi and vegetative bacteria (but not bacterial spores).
Organic materials - correct answer Compounds containing oxygen, carbon and hydrogen; derived from living organisms. Organic matter in the form of serum, blood, pus or fecal
material can interfere with the activity of disinfectants.
Alkylation - correct answer A chemical reaction where hydrogen
is replaced with an alkyl group. This causes the cell
to be unable to normally metabolize or reproduce, or both. Activated (activation) - correct answer Process by which a solution is combined with an activating chemical before use. Glutaraldehydes must be activated before initial use.
Minimum effective concentration (MEC) - correct answer The percentage concentration of the active ingredient in a disinfectant or chemical sterilantthat is the minimum concentration at which the chemical meets all its label claims for activity against specific microorganisms.
Thermal disinfection - correct answer The use of heat to reduce the amount of microorganisms (excluding spores) on a medical device.
CHAPTER 9 - PRE-TEST - correct answer CHAPTER 9 - PRE-TEST
Chlorine - correct answer This intermediate-level disinfectant is a member of the halogen disinfectant family. Although it may be found in Central Service decontamination areas, it is not recommended for use on instruments because of its corrosive qualities.:
Glutaraldehyde - correct answer This high-level disinfectant is used for semi-critical devices such as endoscopes. Once it is activated (mixed) it must be checked routinely using test strips to ensure its concentration. Because of its fumes employees who work with it must follow specific Occupational Safety and Health Administration guidelines for safety.:
Quats (quaternary ammonium compounds) - correct answer This low-level disinfectant is often used in environmental sanitation such as on floors, walls, and furniture. It is incompatible with soaps. Its concentration may be diminished by some materials such as cotton, wool, filter paper, and charcoal. They are:
Alcohol - correct answer This common disinfectant has been in use for several years. It is often used to disinfect equipment. It is inactivated by organic soil in order to achieve
a reasonable level of disinfection it must remain in wet contact with the item being disinfected for at least 5 minutes. That can be a problem because it evaporates quickly. It is:
Thermal Disinfection - correct answer The use of heat to kill all microorganisms, except spores.
Disinfectant - correct answer A chemical which kills most pathogenic organisms, but does not kill spores.
Antiseptic - correct answer A solution which inhibits the growth of bacteria usually used topically and only on animate objects.
Wet contact time - correct answer The length of time an item must remain wet with a disinfectant. Disinfection - correct answer The destruction of nearly all pathogenic microorganisms on an inanimate surface.
Bactericidal - correct answer Relating to the destruction of bacteria.
Sterilization - correct answer A process by which all forms of microbial life are destroyed.
Each use - correct answer The frequency the concentration level of a high-level disinfectant must be tested.
Ortho-phthalaldehyde - correct answer Minimum effective concentration testing is required when using this disinfectant.
Air bubbles - correct answer When manually disinfecting lumens, care should be taken to ensure there are no _______ present inside the lumens.
CHAPTER 9 - REVIEW QUIZ - correct answer CHAPTER 9 - REVIEW QUIZ
Antiseptics - correct answer These chemicals are used on animate (living tissue) to slow the growth of microorganisms: Glutaraldehydes Disinfectants Halogens Antiseptics
Halogens - correct answer Iodophors are a member of this chemical family: Halogens Quaternary Ammonium Compounds Alcohol
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