180 Exam-Style MCQs with Notes & Practice Quizzes
Comprehensive Study Guide for Sterile Processing Technicians
SECTION 1
SPD ENVIRONMENT & WORKFLOW
MCQs
1. What is the recommended temperature for the decontamination area?
A. 68–73°F
B. 60–65°F
C. 75–80°F
D. 65–70°F
✅ Answer: B
Explanation:
Decontamination areas are kept cooler (60–65°F) to reduce microbial growth and improve
worker comfort when wearing PPE.
2. The humidity level in the decontamination area should be:
A. 10–20%
B. 30–60%
C. 60–90%
D. 5–10%
✅ Answer: B
,Explanation:
Humidity must remain 30–60% to prevent microbial growth and ensure staff comfort.
3. The air pressure in the decontamination area must be:
A. Positive
B. Neutral
C. Negative
D. Variable
✅ Answer: C
Explanation:
Negative pressure prevents contaminated air from moving into clean areas.
4. The minimum number of air exchanges in the decontamination area is:
A. 2
B. 4
C. 6
D. 10
✅ Answer: D
5. The preparation and packaging area must be maintained at which pressure?
A. Negative
B. Positive
C. Neutral
D. Alternating
✅ Answer: B
Explanation:
Positive pressure keeps contaminated air from entering the clean area.
, 6. The ideal humidity level in the prep and packaging area is:
A. 10%
B. 20%
C. 50%
D. 70%
✅ Answer: C
7. The sterile storage area temperature should not exceed:
A. 65°F
B. 70°F
C. 75°F
D. 80°F
✅ Answer: C
8. Sterile storage areas must have at least how many air exchanges per hour?
A. 2
B. 4
C. 6
D. 10
✅ Answer: B
SECTION 1 QUIZ
Choose the correct answers
1. The decontamination area must operate under:
A Negative Pressure
B Positive Pressure
C Neutral Pressure
D Alternating Pressure