STERILE PROCESSING
CERTIFICATION STUDY GUIDE 2026
FULL QUESTIONS AND ACCURATE
SOLUTIONS GRADED A+
◉ Pasteurizers disinfect using
(A) heated water.
(B) phenols.
(C) high-level disinfectants.
(D) peracetic acid. . Answer: A
◉ Devices categorized as semi-critical items, must be at least (blank)
prior to use.
(A) high-level disinfected
(B) intermediate-level disinfected
(C) low-level disinfected
(D) sterilized . Answer: A
◉ The use of test strips to test the minimum effective concentration in
high-level disinfection solutions is required
,(A) weekly preferably daily.
(B) daily.
(C) each time the solution will be used.
(D) only when manual soaking systems are used. . Answer: C
◉ The amount of time an item must remain wet with a disinfectant to
achieve disinfection is called
(A) holding time.
(B) wet contact time.
(C) activation.
(D) sterilization time. . Answer: B
◉ When using high-level disinfectants it is important to remember that
they may be deactivated by
(A) dilution.
(B) organic matter.
(C) time.
(D) all the above. . Answer: B
◉ Items that are introduced directly into the bloodstream or other
normally sterile areas of the body are classified as
,(A) critical items.
(B) semi-critical items.
(C) non-critical items.
(D) equipment. . Answer: A
◉ Phenolics are classified as
(A) intermediate- to low-level disinfectants.
(B) intermediate- to high-level disinfectants.
(C) high-level disinfectants.
(D) sterilants. . Answer: A
◉ When mixing several low- to intermediate-level disinfectants
together, it is important to remember
(A) they should be mixed in a well-ventilated room.
(B) the mixture must be tested for its minimum effective concentration
before use.
(C) nitrile gloves should be used to protect hands.
(D) chemicals should not be mixed. . Answer: D
, ◉ The process by which all forms of microorganisms are completely
destroyed is called
(A) high-level disinfection.
(B) thermal disinfection.
(C) sterilization.
(D) chemical disinfection. . Answer: C
◉ In an automated washer the key source of disinfection is
(A) hydrogen peroxide.
(B) water temperature.
(C) heat.
(D) disinfecting detergent. . Answer: B
◉ When using glutaraldehyde technicians should always wear latex
gloves for protection.
(A) True
(B) False . Answer: B
◉ The use of heat to kill all microorganisms, expect spores, is called
CERTIFICATION STUDY GUIDE 2026
FULL QUESTIONS AND ACCURATE
SOLUTIONS GRADED A+
◉ Pasteurizers disinfect using
(A) heated water.
(B) phenols.
(C) high-level disinfectants.
(D) peracetic acid. . Answer: A
◉ Devices categorized as semi-critical items, must be at least (blank)
prior to use.
(A) high-level disinfected
(B) intermediate-level disinfected
(C) low-level disinfected
(D) sterilized . Answer: A
◉ The use of test strips to test the minimum effective concentration in
high-level disinfection solutions is required
,(A) weekly preferably daily.
(B) daily.
(C) each time the solution will be used.
(D) only when manual soaking systems are used. . Answer: C
◉ The amount of time an item must remain wet with a disinfectant to
achieve disinfection is called
(A) holding time.
(B) wet contact time.
(C) activation.
(D) sterilization time. . Answer: B
◉ When using high-level disinfectants it is important to remember that
they may be deactivated by
(A) dilution.
(B) organic matter.
(C) time.
(D) all the above. . Answer: B
◉ Items that are introduced directly into the bloodstream or other
normally sterile areas of the body are classified as
,(A) critical items.
(B) semi-critical items.
(C) non-critical items.
(D) equipment. . Answer: A
◉ Phenolics are classified as
(A) intermediate- to low-level disinfectants.
(B) intermediate- to high-level disinfectants.
(C) high-level disinfectants.
(D) sterilants. . Answer: A
◉ When mixing several low- to intermediate-level disinfectants
together, it is important to remember
(A) they should be mixed in a well-ventilated room.
(B) the mixture must be tested for its minimum effective concentration
before use.
(C) nitrile gloves should be used to protect hands.
(D) chemicals should not be mixed. . Answer: D
, ◉ The process by which all forms of microorganisms are completely
destroyed is called
(A) high-level disinfection.
(B) thermal disinfection.
(C) sterilization.
(D) chemical disinfection. . Answer: C
◉ In an automated washer the key source of disinfection is
(A) hydrogen peroxide.
(B) water temperature.
(C) heat.
(D) disinfecting detergent. . Answer: B
◉ When using glutaraldehyde technicians should always wear latex
gloves for protection.
(A) True
(B) False . Answer: B
◉ The use of heat to kill all microorganisms, expect spores, is called
