CRCST Sterile Processing Technician Exam Pack — Document 1
(Regenerated)
Title: Foundations of Sterile Processing and Central Service Operations
1. What is the primary purpose of the Sterile Processing Department (SPD)?
A) To diagnose patients
B) To provide safe, sterile instruments and supplies to patient care areas
C) To perform surgical procedures
D) To manage hospital billing
Correct Answer: B) To provide safe, sterile instruments and supplies to patient care areas
Rationale: The SPD exists to ensure that all reusable medical devices are properly
decontaminated, inspected, assembled, sterilized, and distributed for safe patient use.
2. Which of the following is the correct order of the sterile processing workflow?
A) Sterilization, decontamination, preparation, storage
B) Decontamination, preparation and packaging, sterilization, storage and distribution
C) Preparation, decontamination, storage, sterilization
D) Storage, sterilization, decontamination, preparation
Correct Answer: B) Decontamination, preparation and packaging, sterilization, storage and
distribution
Rationale: The workflow moves from dirty to clean to sterile, following a one-way flow to
prevent cross-contamination.
3. The area where contaminated instruments are received and cleaned is called the:
A) Clean area
B) Sterile storage area
C) Decontamination area
D) Preparation area
Correct Answer: C) Decontamination area
Rationale: The decontamination area is the designated "dirty" zone where soiled instruments
are received and cleaned.
4. Which of the following is a key principle of the one-way workflow in SPD?
A) Clean and dirty items may be transported together
B) Contaminated items must never cross into clean or sterile areas
,C) Sterile items may be stored in the decontamination area
D) Decontamination can occur in the sterile storage room
Correct Answer: B) Contaminated items must never cross into clean or sterile areas
Rationale: One-way workflow prevents cross-contamination by ensuring dirty items never move
into clean or sterile zones.
5. What is the minimum required air pressure relationship for the decontamination area?
A) Positive pressure relative to adjacent areas
B) Negative pressure relative to adjacent areas
C) Neutral pressure
D) No pressure requirement
Correct Answer: B) Negative pressure relative to adjacent areas
Rationale: Negative air pressure keeps contaminated air from escaping into clean areas.
6. What type of air pressure is required in the clean preparation and packaging area?
A) Negative pressure
B) Positive pressure
C) Neutral pressure
D) Alternating pressure
Correct Answer: B) Positive pressure
Rationale: Positive pressure helps keep contaminants out of the clean area.
7. The recommended air exchanges per hour in the decontamination area is:
A) 2
B) 4
C) 6
D) 10
Correct Answer: D) 10
Rationale: Decontamination areas require a minimum of 10 air exchanges per hour to remove
contaminants.
8. What is the recommended temperature range for the decontamination area?
A) 50–55°F
B) 60–65°F
, C) 68–73°F
D) 75–80°F
Correct Answer: C) 68–73°F
Rationale: The decontamination area should be maintained between 68–73°F for staff comfort
and safety.
9. What is the recommended humidity range for the decontamination area?
A) 20–30%
B) 30–60%
C) 60–70%
D) 70–80%
Correct Answer: B) 30–60%
Rationale: Humidity between 30–60% helps control microbial growth and maintains staff
comfort.
10. Which of the following is considered personal protective equipment (PPE) required in the
decontamination area?
A) Scrubs only
B) Gloves, gown, mask, and eye protection
C) Lab coat only
D) No PPE is required
Correct Answer: B) Gloves, gown, mask, and eye protection
Rationale: PPE protects staff from bloodborne pathogens and chemical exposure during
decontamination.
11. What is the first step in the decontamination process?
A) Manual cleaning
B) Sorting and disassembly
C) Sterilization
D) Packaging
Correct Answer: B) Sorting and disassembly
Rationale: Instruments must be sorted and disassembled before cleaning so all surfaces can be
reached.
(Regenerated)
Title: Foundations of Sterile Processing and Central Service Operations
1. What is the primary purpose of the Sterile Processing Department (SPD)?
A) To diagnose patients
B) To provide safe, sterile instruments and supplies to patient care areas
C) To perform surgical procedures
D) To manage hospital billing
Correct Answer: B) To provide safe, sterile instruments and supplies to patient care areas
Rationale: The SPD exists to ensure that all reusable medical devices are properly
decontaminated, inspected, assembled, sterilized, and distributed for safe patient use.
2. Which of the following is the correct order of the sterile processing workflow?
A) Sterilization, decontamination, preparation, storage
B) Decontamination, preparation and packaging, sterilization, storage and distribution
C) Preparation, decontamination, storage, sterilization
D) Storage, sterilization, decontamination, preparation
Correct Answer: B) Decontamination, preparation and packaging, sterilization, storage and
distribution
Rationale: The workflow moves from dirty to clean to sterile, following a one-way flow to
prevent cross-contamination.
3. The area where contaminated instruments are received and cleaned is called the:
A) Clean area
B) Sterile storage area
C) Decontamination area
D) Preparation area
Correct Answer: C) Decontamination area
Rationale: The decontamination area is the designated "dirty" zone where soiled instruments
are received and cleaned.
4. Which of the following is a key principle of the one-way workflow in SPD?
A) Clean and dirty items may be transported together
B) Contaminated items must never cross into clean or sterile areas
,C) Sterile items may be stored in the decontamination area
D) Decontamination can occur in the sterile storage room
Correct Answer: B) Contaminated items must never cross into clean or sterile areas
Rationale: One-way workflow prevents cross-contamination by ensuring dirty items never move
into clean or sterile zones.
5. What is the minimum required air pressure relationship for the decontamination area?
A) Positive pressure relative to adjacent areas
B) Negative pressure relative to adjacent areas
C) Neutral pressure
D) No pressure requirement
Correct Answer: B) Negative pressure relative to adjacent areas
Rationale: Negative air pressure keeps contaminated air from escaping into clean areas.
6. What type of air pressure is required in the clean preparation and packaging area?
A) Negative pressure
B) Positive pressure
C) Neutral pressure
D) Alternating pressure
Correct Answer: B) Positive pressure
Rationale: Positive pressure helps keep contaminants out of the clean area.
7. The recommended air exchanges per hour in the decontamination area is:
A) 2
B) 4
C) 6
D) 10
Correct Answer: D) 10
Rationale: Decontamination areas require a minimum of 10 air exchanges per hour to remove
contaminants.
8. What is the recommended temperature range for the decontamination area?
A) 50–55°F
B) 60–65°F
, C) 68–73°F
D) 75–80°F
Correct Answer: C) 68–73°F
Rationale: The decontamination area should be maintained between 68–73°F for staff comfort
and safety.
9. What is the recommended humidity range for the decontamination area?
A) 20–30%
B) 30–60%
C) 60–70%
D) 70–80%
Correct Answer: B) 30–60%
Rationale: Humidity between 30–60% helps control microbial growth and maintains staff
comfort.
10. Which of the following is considered personal protective equipment (PPE) required in the
decontamination area?
A) Scrubs only
B) Gloves, gown, mask, and eye protection
C) Lab coat only
D) No PPE is required
Correct Answer: B) Gloves, gown, mask, and eye protection
Rationale: PPE protects staff from bloodborne pathogens and chemical exposure during
decontamination.
11. What is the first step in the decontamination process?
A) Manual cleaning
B) Sorting and disassembly
C) Sterilization
D) Packaging
Correct Answer: B) Sorting and disassembly
Rationale: Instruments must be sorted and disassembled before cleaning so all surfaces can be
reached.
