CRCST CERTIFICATION EXAM QUESTIONS WITH CORRECT ANSWERS / A+ RATED / VERIFIED BY EXPERTS
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Course
CRCST
Institution
CRCST
What is the primary purpose of decontamination? - ANSWER To reduce the presence of microorganisms
and prevent the soread of infections.
What's is the difference between disinfection and sterilization? - ANSWER Disinfection eliminates many
or all pathogenic microorganisms except bacterial spore...
CRCST CERTIFICATION EXAM QUESTIONS WITH
CORRECT ANSWERS / A+ RATED / VERIFIED BY
EXPERTS
What is the primary purpose of decontamination? - ANSWER To reduce the presence of microorganisms
and prevent the soread of infections.
What's is the difference between disinfection and sterilization? - ANSWER Disinfection eliminates many
or all pathogenic microorganisms except bacterial spores, while sterilization destroys all microorganisms
including bacterial spores
Which type of cleaning solution is most commonly used for instrument decontamination? - ANSWER
Enzymatic detergents
What is the recommended temperature for manual cleaning of instruments? - ANSWER Minimum of 110
degree Fahrenheit ( 43 degrees Celsius)
Why are prolonged soaking tines discouraged during instrument cleaning? - ANSWER It can cause
instrument discoloration and compromise the instruments integrity
What's does PPE stand for in the context of decontamination? - ANSWER Personal protective equipment
How does ultrasonic cleaning work? - ANSWER It uses sound waves to produce microscopic bubbles that
implode on contact, removing debris from instruments
What is the significance of point of use cleaning? - ANSWER It refers to the cleaning of instruments
immediately after use, at the location where they were used
,Which of the following is not a factor affecting the efficiency of disinfection process - ANSWER Color of
the disinfectant
Why is it important to rinse instruments after cleaning? - ANSWER To remove any residual detergent and
prevent spotting or staining
Name a common method of cleaning surgical instruments - ANSWER Manual scrubbing with appropriate
detergent
What is an enzymatic cleaner? - ANSWER A detergent containing enzymes that breaking down organic
material
How does temperature affect the cleaning process? - ANSWER Higher temperature can improve cleaning
effectiveness but may damage sensitive instruments
What is the role of pH in detergents used for decontamination? - ANSWER It affects the detergent's
ability to break down soils and proteins
What is an ultrasonic cleaner? - ANSWER A device that uses high frequency sound waves to remove
debris from instruments.
What is the purpose of disinfection in the decontamination process? - ANSWER To reduce the level of
microbial contamination
What are high level disinfectants? - ANSWER Chemical agents capable of killing spores and high numbers
or microorganisms
What are the difference between high-level; and low level disinfectants? - ANSWER High level
disinfectants kill more types of microorganisms including spores.
What is an autoclave? - ANSWER A device that uses steam under pressure to sterilize medical equipment
, Explain the process of sterilization - ANSWER The complete elimination of all forms of microbial life
including spores
What is the importance of following manufacturers instruction for cleaning agents? - ANSWER Ensuring
the effectiveness of the cleaning process and preventing damage to instruments
What are the risks of improper decontamination? - ANSWER Infection transmission and damage to
medical equipment
What personal protective equipments should be worn during the decontamination process? - ANSWER
Gloves
Gown
Mask
Eye protection
What is a disinfectant soak station? - ANSWER An area where instruments are soaked in disinfectant
solution
Why is it importance to rinse instruments after cleaning? - ANSWER To remove detergent residue and
prevent corrosion
What factors influence the effectiveness of a disinfectant? - ANSWER Concentration contact time
temperature and pH
What is the purpose of a pre cleaning process for surgical instruments? - ANSWER To remove gross
contamination before formal decontamination
Define thermal disinfection - ANSWER A method of disinfection using high temperature to kill
microorganisms
What are benefits of using automated washing machines in decontamination? - ANSWER Consistent
cleaning result and reduce risk if exposure to contaminants
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