CBSPD Final Exam Questions and
Correct Answers (Verified Answers) Plus
Rationales 2026 Q&A | Instant
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Question 1
What is the primary purpose of the sterile processing department (SPD)?
A. Dispense medications
B. Clean, disinfect, sterilize, and distribute reusable medical devices
C. Perform laboratory testing
D. Diagnose infections
Correct Answer: B. Clean, disinfect, sterilize, and distribute reusable medical
devices
Rationale:
The SPD is responsible for ensuring reusable medical instruments are properly
cleaned, disinfected or sterilized, inspected, assembled, and distributed for safe
patient care. The other options are responsibilities of other healthcare
departments.
Question 2
Which microorganism is generally the most resistant to sterilization?
A. Vegetative bacteria
B. Viruses
C. Bacterial spores
D. Fungi
Correct Answer: C. Bacterial spores
,Rationale:
Bacterial spores are the most resistant form of microorganisms. Sterilization
processes are validated to destroy bacterial spores, making them the standard
biological indicator for sterilization monitoring.
Question 3
What is the first step in processing contaminated instruments?
A. Sterilization
B. Packaging
C. Cleaning
D. Storage
Correct Answer: C. Cleaning
Rationale:
Cleaning removes soil and organic matter that can interfere with disinfection and
sterilization. Sterilization cannot be effective unless instruments are thoroughly
cleaned first.
Question 4
Which organization publishes standards commonly used by sterile processing
departments?
A. OSHA
B. AAMI
C. FEMA
D. EPA only
Correct Answer: B. AAMI
Rationale:
The Association for the Advancement of Medical Instrumentation (AAMI)
develops widely recognized standards and recommended practices for sterile
processing.
,Question 5
What does PPE stand for?
A. Patient Protection Equipment
B. Personal Protective Equipment
C. Processing Performance Equipment
D. Protective Procedure Equipment
Correct Answer: B. Personal Protective Equipment
Rationale:
PPE protects healthcare workers from exposure to blood, body fluids, and other
hazards.
Question 6
Which area of the sterile processing department is considered contaminated?
A. Sterile storage
B. Assembly area
C. Decontamination area
D. Sterilizer cooling area
Correct Answer: C. Decontamination area
Rationale:
The decontamination area receives soiled instruments and is designated as the
dirty area.
Question 7
What is the purpose of manual cleaning?
A. Replace sterilization
B. Remove soil from instruments
, C. Package instruments
D. Dry instruments only
Correct Answer: B. Remove soil from instruments
Rationale:
Manual cleaning physically removes debris from instruments, especially delicate
devices that cannot be mechanically cleaned.
Question 8
What is the recommended water quality for the final rinse of many surgical
instruments?
A. Tap water
B. Distilled or deionized water
C. Salt water
D. Chlorinated pool water
Correct Answer: B. Distilled or deionized water
Rationale:
Purified water helps prevent mineral deposits and spotting on instruments.
Question 9
Which device uses ultrasonic energy to assist cleaning?
A. Steam sterilizer
B. Ultrasonic cleaner
C. Washer-disinfector
D. Incubator
Correct Answer: B. Ultrasonic cleaner
Rationale:
Ultrasonic cleaners use cavitation bubbles to remove debris from hard-to-reach
areas.
Correct Answers (Verified Answers) Plus
Rationales 2026 Q&A | Instant
Download Pdf
Question 1
What is the primary purpose of the sterile processing department (SPD)?
A. Dispense medications
B. Clean, disinfect, sterilize, and distribute reusable medical devices
C. Perform laboratory testing
D. Diagnose infections
Correct Answer: B. Clean, disinfect, sterilize, and distribute reusable medical
devices
Rationale:
The SPD is responsible for ensuring reusable medical instruments are properly
cleaned, disinfected or sterilized, inspected, assembled, and distributed for safe
patient care. The other options are responsibilities of other healthcare
departments.
Question 2
Which microorganism is generally the most resistant to sterilization?
A. Vegetative bacteria
B. Viruses
C. Bacterial spores
D. Fungi
Correct Answer: C. Bacterial spores
,Rationale:
Bacterial spores are the most resistant form of microorganisms. Sterilization
processes are validated to destroy bacterial spores, making them the standard
biological indicator for sterilization monitoring.
Question 3
What is the first step in processing contaminated instruments?
A. Sterilization
B. Packaging
C. Cleaning
D. Storage
Correct Answer: C. Cleaning
Rationale:
Cleaning removes soil and organic matter that can interfere with disinfection and
sterilization. Sterilization cannot be effective unless instruments are thoroughly
cleaned first.
Question 4
Which organization publishes standards commonly used by sterile processing
departments?
A. OSHA
B. AAMI
C. FEMA
D. EPA only
Correct Answer: B. AAMI
Rationale:
The Association for the Advancement of Medical Instrumentation (AAMI)
develops widely recognized standards and recommended practices for sterile
processing.
,Question 5
What does PPE stand for?
A. Patient Protection Equipment
B. Personal Protective Equipment
C. Processing Performance Equipment
D. Protective Procedure Equipment
Correct Answer: B. Personal Protective Equipment
Rationale:
PPE protects healthcare workers from exposure to blood, body fluids, and other
hazards.
Question 6
Which area of the sterile processing department is considered contaminated?
A. Sterile storage
B. Assembly area
C. Decontamination area
D. Sterilizer cooling area
Correct Answer: C. Decontamination area
Rationale:
The decontamination area receives soiled instruments and is designated as the
dirty area.
Question 7
What is the purpose of manual cleaning?
A. Replace sterilization
B. Remove soil from instruments
, C. Package instruments
D. Dry instruments only
Correct Answer: B. Remove soil from instruments
Rationale:
Manual cleaning physically removes debris from instruments, especially delicate
devices that cannot be mechanically cleaned.
Question 8
What is the recommended water quality for the final rinse of many surgical
instruments?
A. Tap water
B. Distilled or deionized water
C. Salt water
D. Chlorinated pool water
Correct Answer: B. Distilled or deionized water
Rationale:
Purified water helps prevent mineral deposits and spotting on instruments.
Question 9
Which device uses ultrasonic energy to assist cleaning?
A. Steam sterilizer
B. Ultrasonic cleaner
C. Washer-disinfector
D. Incubator
Correct Answer: B. Ultrasonic cleaner
Rationale:
Ultrasonic cleaners use cavitation bubbles to remove debris from hard-to-reach
areas.
