CRCST EXAM #1 2025 PRACTICE QUESTIONS AND
CORRECT VERIFIED ANSWERS (ASSURED
SUCCESS) GRADED A+.
Central Service Technicians should be familiar with which entity's
regulations on how to handle medical waste - ANSWERS-Environmental
Protection Agency
When traveling through a biohazard area, what attire is required? -
ANSWERS-OSHA-required PPE
Which of the following is the most likely source for cross contamination to
occur? - ANSWERS-keyboards
All of the following are recommendations for operating a
washer/sterilizer EXCEPT: - ANSWERS-detergent should be high-
sudsing
The contents of a set of instruments used in a procedure should be written
on which of the following places? - ANSWERS-a tray list
Water soluble lubricants designed for surgical instruments were originally
designed as which of the following? - ANSWERS-rust inhibitors for drills
Ideally which of the following should be utilized as the free rinsing agent
to minimize the deposit of minerals that appear as water spots when dry?
- ANSWERS-de-ionized water
What is the best way to ensure getting the best results with the correct
cleaning method? - ANSWERS-consulting the instrument manufacturer's
written instructions
, Enzyme products are commonly used to clean heavily soiled items.
Amylas enxymes catalyze which of the following? - ANSWERS-starch
If there is a possibility that a medical device will cause a temporary or
reversible health problem, this is considered which class of FDA product
recall? - ANSWERS-class ii
The removal of any residue of cleaning agents and chemicals remaining
after the cleaning process is known as: - ANSWERS-free-rinsing
Only detergents that have been specially formulated for use in ultrasonic
cleaners should be used in them. They must be all of the following
EXCEPT: - ANSWERS-allow for slow, controlled soil removal
Acids turn litmus paper what color? - ANSWERS-red
Phenolics are recommended for use in the decontamination area for
disinfection of which of the following? - ANSWERS-hard surfaces
Which of the following would be categorized as a semi-critical item in
terms of disinfection? - ANSWERS-endotracheal tubes
Enzymes are specific in their action. A protein enzyme will recognize
which of the following? - ANSWERS-proteins in their natural state
Chelating or sequestering agents help do all of the following EXCEPT: -
ANSWERS-measures alkalinity
The method for testing different types of detergents to find out if one
performs better or more effectively than another is: - ANSWERS-
validating testing
Bedpans, blood pressure cuffs, and bed rails are examples of which
Spaulding classification? - ANSWERS-non-critical
CORRECT VERIFIED ANSWERS (ASSURED
SUCCESS) GRADED A+.
Central Service Technicians should be familiar with which entity's
regulations on how to handle medical waste - ANSWERS-Environmental
Protection Agency
When traveling through a biohazard area, what attire is required? -
ANSWERS-OSHA-required PPE
Which of the following is the most likely source for cross contamination to
occur? - ANSWERS-keyboards
All of the following are recommendations for operating a
washer/sterilizer EXCEPT: - ANSWERS-detergent should be high-
sudsing
The contents of a set of instruments used in a procedure should be written
on which of the following places? - ANSWERS-a tray list
Water soluble lubricants designed for surgical instruments were originally
designed as which of the following? - ANSWERS-rust inhibitors for drills
Ideally which of the following should be utilized as the free rinsing agent
to minimize the deposit of minerals that appear as water spots when dry?
- ANSWERS-de-ionized water
What is the best way to ensure getting the best results with the correct
cleaning method? - ANSWERS-consulting the instrument manufacturer's
written instructions
, Enzyme products are commonly used to clean heavily soiled items.
Amylas enxymes catalyze which of the following? - ANSWERS-starch
If there is a possibility that a medical device will cause a temporary or
reversible health problem, this is considered which class of FDA product
recall? - ANSWERS-class ii
The removal of any residue of cleaning agents and chemicals remaining
after the cleaning process is known as: - ANSWERS-free-rinsing
Only detergents that have been specially formulated for use in ultrasonic
cleaners should be used in them. They must be all of the following
EXCEPT: - ANSWERS-allow for slow, controlled soil removal
Acids turn litmus paper what color? - ANSWERS-red
Phenolics are recommended for use in the decontamination area for
disinfection of which of the following? - ANSWERS-hard surfaces
Which of the following would be categorized as a semi-critical item in
terms of disinfection? - ANSWERS-endotracheal tubes
Enzymes are specific in their action. A protein enzyme will recognize
which of the following? - ANSWERS-proteins in their natural state
Chelating or sequestering agents help do all of the following EXCEPT: -
ANSWERS-measures alkalinity
The method for testing different types of detergents to find out if one
performs better or more effectively than another is: - ANSWERS-
validating testing
Bedpans, blood pressure cuffs, and bed rails are examples of which
Spaulding classification? - ANSWERS-non-critical
