IAHCSMM CRCST Exam Actual Exam

IAHCSMM CRCST Exam | / Actual Exam – 150 Verified Questions and Correct Answers​ Real Exam-Based Questions and Verified Answers | 100% Accuracy | Graded A+ | Certified Registered Central Service Technician (CRCST) by IAHCSMM (now HSPA)

Introduction​ This comprehensive resource features 150 verified multiple-choice questions and correct answers based on the latest / IAHCSMM CRCST Certification Exam.It covers essential topics including cleaning and decontamination, sterilization processes, equipment maintenance, infection control, and industry standards—aligned with current HSPA (formerly IAHCSMM) guidelines.Answer Format​ All correct answers are clearly marked in bold and green for efficient review and confident preparation.

IAHCSMM CRCST Exam | / Verified Q&A | 150 Questions | Graded A+ | Master Sterile Processing with Confidence Question 1​ What is the maximum allowable weight for a single sterilization load according to HSPA guidelines?​

• 10 kg (22 lbs)​

B) 11.3 kg (25 lbs)​

• 15 kg (33 lbs)​
• 20 kg (44 lbs)​

Rationale: 11.3 kg is the standard limit to ensure proper steam penetration.

Question 2​ Which type of water is recommended for the final rinse in automated washers to prevent mineral buildup?​

• Tap water​

B) Reverse osmosis water​

• Distilled water​ 1 / 4

• Hard water​

Rationale: Reverse osmosis water minimizes residue.

Question 3​ What is the primary purpose of a pass-through window in a sterile processing department?​

• To store sterile items​

B) To transfer items between clean and dirty areas​

• To perform sterilization​
• To inspect instruments​

Rationale: It maintains separation of clean and contaminated zones.

Question 4​ Which document must be completed for every sterilization cycle to ensure traceability?​

• Maintenance log​

B) Sterilization record​

• Inventory list​
• Cleaning schedule​

Rationale: Sterilization records track each cycle.

Question 5​ What is the recommended frequency for testing the accuracy of a sterilizer's temperature sensor?​

• Monthly​

B) Quarterly​

• Annually​
• Bi-annually​

Rationale: Quarterly testing ensures accuracy.

Question 6​ Which type of filter is used in ventilation systems to prevent airborne contamination in sterile storage?​

• Carbon filter​

B) HEPA filter​

• UV filter​
• Mesh filter​

Rationale: HEPA filters remove 99.97% of particles. 2 / 4

Question 7​ What is the maximum allowable time for holding instruments in a pre-cleaning soak before processing?​

• 1 hour​

B)

• hours​
• 8 hours​
• 12 hours​

Rationale: 4 hours prevents drying of debris.

Question 8​ Which regulatory agency oversees the safe handling of hazardous chemicals in sterile processing?​

A) CDC​

B)

OSHA​

C) FDA​

D) AAMI​

Rationale: OSHA enforces chemical safety standards.

Question 9​ What is the purpose of a load checklist in sterile processing?​

• To clean instruments​

B) To verify contents before sterilization​

• To package items​
• To test water quality​

Rationale: It ensures all items are accounted for.

Question 10​ Which material is commonly used for the construction of instrument trays to withstand repeated sterilization?​

• Aluminum​

B) Stainless steel​

• Plastic​
• Copper​

Rationale: Stainless steel is durable and corrosion-resistant. 3 / 4

Question 11​ What is the recommended air pressure differential between the decontamination and sterile processing areas?​

• 0 Pa​

B) Positive pressure in sterile areas​

• Negative pressure in sterile areas​
• Equal pressure​

Rationale: Positive pressure prevents contamination.

Question 12​ Which type of training is required for new sterile processing technicians under HSPA guidelines?​

• On-the-job only​

B) Initial and ongoing education​

• Certification only​
• Annual review only​

Rationale: Ongoing training ensures competency.

Question 13​ What is the purpose of a microbial air sampling test in sterile storage?​

• To clean the air​

B) To monitor air quality for contamination​

• To sterilize the room​
• To test water quality​

Rationale: It assesses airborne microbes.

Question 14​ Which factor is critical when selecting a sterilization method for a specific instrument?​

• Instrument color​

B) Material compatibility​

• Storage location​
• Instrument weight​

Rationale: Compatibility ensures safety.

Question 15​ What is the recommended frequency for rotating stock in sterile storage to prevent expiration?​

• / 4