Skip to main content

Surgical Technologist

A community-written study guide covering every topic on this event's official test plan. Sign in to contribute to a section.

1Profession of CST

10% of exam

Surgical technologists support safe surgery.

  • The CST prepares the OR, instruments, and sterile field.
  • Works as part of the surgical team (surgeon, nurse, anesthesia).
  • Anticipates the surgeon's needs during procedures.
  • Follows strict sterile and safety protocols.

2Perioperative Preparation

30% of exam

Careful preparation sets up a safe operation.

  • Set up the sterile field and count instruments and sponges.
  • Prepare and position the patient.
  • Follow surgical asepsis at all times.
  • Verify the correct patient, site, and procedure (time-out).

3Intraoperative Procedures

30% of exam

During surgery the CST maintains the sterile field and assists.

  • Pass instruments and supplies to the surgeon.
  • Maintain sterile technique and monitor for breaks.
  • Track sponges, needles, and instruments to prevent retention.
  • Handle specimens correctly.

4Post Operative Procedures

10% of exam

After surgery the CST helps close out safely.

  • Complete final instrument and sponge counts.
  • Assist with dressings and patient transfer.
  • Break down and clean the OR.
  • Prepare instruments for reprocessing.

5Ancillary Duties

5% of exam

CSTs perform supporting tasks around surgery.

  • Manage inventory and supplies.
  • Maintain equipment and the OR environment.
  • Document procedures accurately.
  • Support turnover between cases.

6Equipment Sterilization & Maintenance

5% of exam

Sterile instruments prevent surgical infection.

  • Use autoclaves (steam sterilization) and other methods.
  • Follow decontamination, cleaning, and packaging steps.
  • Monitor sterilization with biological/chemical indicators.
  • Maintain and inspect surgical equipment.

7Surgical Anatomy & Physiology

10% of exam

Understanding anatomy guides surgical support.

  • Know body systems and structures relevant to procedures.
  • Understand common surgeries and their approaches.
  • Use correct medical and surgical terminology.
  • This knowledge helps anticipate the surgeon's needs.

Member-written study notes, not official HOSA competition material. Topic titles and exam weights come from the official Surgical Technologist guidelines.