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DHA Central Sterile Services Aide Practice Test Questions

The closest thing to the real DHA Central Sterile Services Aide exam. Practice with DHA Prometric exam focused MCQs with detailed explanations and timed mock tests. Realistic Dubai Prometric Central Sterile Services CSS Aide Exam practice questions, clinical scenario-based MCQs, and smart analytics to help you pass on your first attempt.

DHA Central Sterile Services Aide MCQs

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Official Blueprint Reference for DHA Central Sterile Services (CSS) Aide: Tested Knowledge and Skill Expectations

DHA Central Sterile Services (CSS) Aide: Tested Knowledge & Skill Expectations
1. Overview of the CSSD and Decontamination
Objectives

Understand the role, organization, workflow, and basic decontamination principles of a Central Sterile Services Department.

Knowledge Requirements

CSSD functions, workflow zones, receiving, sorting, decontamination, cleaning, inspection, preparation, sterilization, storage, and distribution.

Skill Expectations

Follow CSSD workflow, maintain separation of contaminated and clean areas, handle devices appropriately, and follow departmental procedures.

2. Principles of Asepsis, Microbiology and Infection Control
Objectives

Apply basic microbiology, aseptic principles, and infection prevention practices during sterile processing activities.

Knowledge Requirements

Microorganisms, contamination, transmission, asepsis, standard precautions, hand hygiene, PPE, cross-contamination, and infection prevention.

Skill Expectations

Use appropriate PPE, maintain aseptic practices, prevent cross-contamination, and follow infection-control procedures during processing.

3. Transportation of Solid Items to CSSD and Disinfection Process
Objectives

Apply safe procedures for transporting contaminated items and carrying out appropriate cleaning and disinfection processes.

Knowledge Requirements

Contaminated-item handling, transport containers, labeling, manual cleaning, mechanical cleaning, disinfection methods, detergents, and exposure prevention.

Skill Expectations

Transport contaminated devices safely, select appropriate cleaning procedures, handle equipment correctly, and reduce exposure and contamination risks.

4. Processing Equipment and Classification of Surgical Instrument Types
Objectives

Recognize common surgical instruments, their classifications, and the equipment used for sterile processing.

Knowledge Requirements

Surgical instrument types, device classification, cleaning equipment, ultrasonic cleaners, washer-disinfectors, inspection equipment, and processing requirements.

Skill Expectations

Identify instruments, select appropriate processing methods, operate equipment according to procedures, and recognize damaged or unsuitable devices.

5. Inventory Control, Sterile Storage and Planned Maintenance
Objectives

Maintain effective inventory control, sterile storage conditions, and equipment maintenance practices.

Knowledge Requirements

Inventory systems, traceability, sterile storage requirements, package integrity, stock rotation, environmental conditions, equipment maintenance, and documentation.

Skill Expectations

Maintain organized inventory, inspect sterile packages, follow storage requirements, monitor stock, document maintenance, and report problems.

6. Preparation, Packaging and Labeling of Instruments and Devices
Objectives

Prepare, package, and label instruments and medical devices correctly before sterilization and storage.

Knowledge Requirements

Instrument inspection, assembly, packaging materials, wrapping and pouching, package selection, labeling, identification, chemical indicators, and traceability.

Skill Expectations

Inspect instruments, assemble sets correctly, select suitable packaging, prepare packages, apply labels, and maintain traceability information.

7. Sterilization, Maintenance, Audit and Quality Control
Objectives

Understand sterilization principles and apply quality-control procedures to verify effective sterile processing.

Knowledge Requirements

Steam and other sterilization methods, sterilizer operation, cycle parameters, monitoring, maintenance, biological and chemical indicators, audits, and quality assurance.

Skill Expectations

Prepare and monitor sterilization cycles, interpret indicators, identify failed cycles, document results, and follow corrective procedures.

8. Flexible Endoscope and Dental Instrument Processing
Objectives

Apply appropriate processing principles for flexible endoscopes and dental instruments.

Knowledge Requirements

Endoscope components, leak testing, cleaning, high-level disinfection, drying, storage, dental instruments, contamination risks, and device-specific processing requirements.

Skill Expectations

Follow device-specific processing procedures, inspect equipment, perform required cleaning and disinfection steps, and maintain safe storage conditions.

9. Use of Indicators, Load Control and Transportation from the CSSD
Objectives

Apply monitoring, load-control, and transportation procedures to maintain the integrity of processed sterile devices.

Knowledge Requirements

Physical, chemical, and biological indicators, load documentation, sterilizer monitoring, release criteria, traceability, transport containers, and sterile-item handling.

Skill Expectations

Use indicators correctly, verify load information, document processing results, release loads according to procedure, and transport sterile items safely.

DHA Exam Structure: Central Sterile Services (CSS) Aide is listed under Allied Health with 150 MCQs, a 3-hour examination duration, a 50% passing score, and examination code STE5653. DHA does not publish separate percentage or question allocations for the individual areas.