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Got questions about Dubai Prometric Central Sterile Services CSS Technician Exam? We’ve got answers. Here’s what people often ask us.
The DHA CSS Exam is a licensure assessment conducted by the Dubai Health Authority for professionals seeking to work as CSS Technicians or Aides in Dubai.
The exam evaluates your knowledge of sterilization techniques, infection control, decontamination processes, and supply management in clinical settings .
It is suitable for:
• Central Sterile Services Technicians
• Sterile Processing Technicians
• CSSD Technicians
• Medical Instrument Sterilization Technicians
• Professionals seeking a DHA license in Central Sterile Services
The DHA Central Sterile Services (CSS) Exam consists of:
• Computer Based Test (CBT)
• 150 Multiple Choice Questions (MCQs)
• Exam duration: 3 hours
• Passing score: 50%
Eligibility depends on your educational background. Common qualification pathways include:
• Diploma in a health related field (minimum two year program) with two years of experience.
• Associate Degree in CSS Technology (minimum two year program) with one year of experience.
• Certificate in a health related field (minimum one year program) together with an approved sterile processing certification (such as CBSPD or HSPA), which has separate qualification requirements.
Always verify your individual eligibility according to the latest DHA Professional Qualification Requirements.
| Official Exam Area | Preparation Focus |
|---|---|
| Overview of CSSD and Decontamination | CSSD workflow, work zones, receiving and decontamination processes |
| Asepsis, Microbiology and Infection Control | Microorganisms, cross-contamination, PPE and standard precautions |
| Transportation and Disinfection | Safe transport of contaminated items and correct disinfection procedures |
| Processing Equipment and Surgical Instruments | Equipment operation, instrument identification and classification |
| Preparation, Packaging and Labeling | Inspection, assembly, wrapping, labeling and package integrity |
| Sterilization, Maintenance, Audit and Quality Control | Sterilization methods, monitoring, documentation and quality assurance |
| Flexible Endoscope and Dental Instrument Processing | Cleaning and reprocessing of specialized reusable devices |
| Indicators, Load Control and Distribution | Biological and chemical indicators, load release and sterile transportation |
Candidates should expect both knowledge based and practical application questions.
Scenarios may ask about contaminated instrument transport, package integrity, sterilizer monitoring, load release, failed indicators, equipment use, or correct reprocessing steps.
Begin with the complete instrument processing cycle:
• Receiving and decontamination
• Inspection and assembly
• Packaging and labeling
• Sterilization
• Monitoring and load release
• Storage and distribution
After mastering the workflow, revise infection control, surgical instruments, endoscope processing, quality assurance, and documentation.
Use a structured study plan:
• Follow the official DHA coverage rather than random study topics.
• Understand each stage of the sterile processing cycle.
• Review infection control and microbiology fundamentals.
• Practice sterilization monitoring and failed load scenarios.
• Revise instrument identification and processing requirements.
• Solve DHA style MCQs regularly.
• Complete timed mock exams using the official three hour format.
Three hours for 150 questions gives an average of slightly more than one minute per question.
Answer clear questions first, avoid becoming stuck on one scenario, and reserve time to review uncertain answers.
Candidates often struggle when they:
• Memorize definitions without understanding the processing sequence
• Confuse cleaning, disinfection, and sterilization
• Ignore manufacturer instructions
• Underprepare for indicator and load-release questions
• Neglect endoscope or dental instrument processing
• Avoid full-length timed practice
• Study unofficial topics while overlooking DHA’s listed coverage
