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NBSTSA Certified Surgical Technologist (CST) Examination

NBSTSA Certified Surgical Technologist Practice Test

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Questions updated at Sep 6, 2026, 12:25 AM CDT

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Today's 10 NBSTSA Certified Surgical Technologist questions

Use this NBSTSA Certified Surgical Technologist practice test to review NBSTSA Certified Surgical Technologist CST Examination. Questions rotate daily and each answer links back to the source used to write it.

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200 verified questions are in the live bank. Free daily questions are selected from a rotating sample set. Unlock Pro to access the full question bank.

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Question 1 of 10
Objective Report abnormal postoperative findings promptly. Perioperative Care: Postoperative Procedures

After drape removal, the CST observes a sharply demarcated red area under a positioning pad. What is the best next step?

Concept tested:
Question 2 of 10
Objective Create, maintain, utilize, and revise surgeon preference cards. Ancillary Duties: Administrative and Personnel

During monthly review, the CST notices three items on a surgeon's preference card have not been used in the last 20 cases. What is the best action?

Concept tested:
Question 3 of 10
Objective Follow proper cost-containment processes without compromising patient safety. Ancillary Duties: Administrative and Personnel

A case cart routinely includes two expensive disposable devices, but the surgeon uses only one and the second is frequently opened unnecessarily. Which change best reduces cost without reducing readiness?

Concept tested:
Question 4 of 10
Objective Prepare hemostatic agents and differentiate mechanical, thermal, and chemical hemostasis. Perioperative Care: Intraoperative Procedures

A small superficial vessel is oozing during dissection. The surgeon first applies a sponge directly to the site. Which category of hemostasis is being used?

Concept tested:
Question 5 of 10
Objective Perform appropriate actions during an emergency and initiate preventive actions in harmful situations. Perioperative Care: Intraoperative Procedures

The patient develops sudden massive hemorrhage. The surgeon calls for the massive-transfusion/emergency protocol. What should the CST prioritize?

Concept tested:
Question 6 of 10
Objective Assist with postoperative cleaning of the patient before transfer. Perioperative Care: Postoperative Procedures

After abdominal surgery, prep solution and dried blood remain on the patient's skin away from the dressing. What should the CST do before transfer?

Concept tested:
Question 7 of 10
Objective Demonstrate knowledge of human physiology as it relates to surgical procedures. Basic Science: Anatomy and Physiology

During a major hemorrhage, tachycardia and peripheral vasoconstriction are compensatory responses primarily intended to:

Concept tested:
Question 8 of 10
Objective Apply infection-control procedures and Standard Precautions in operative practice. Basic Science: Microbiology

Which action best reflects Standard Precautions during a procedure with potential blood splash?

Concept tested:
Question 9 of 10
Objective Inspect, test, and assemble instruments and equipment. Ancillary Duties: Equipment Sterilization and Maintenance

After cleaning, a ring-handled hemostat is being inspected before set assembly. Which finding requires removal from the set?

Concept tested:
Question 10 of 10
Objective Apply principles of surgical microbiology, including classification and pathogenesis of microorganisms. Basic Science: Microbiology

Which organism form is deliberately used in biological indicators because it is highly resistant to sterilization processes?

Concept tested:
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The free daily NBSTSA Certified Surgical Technologist set includes crawlable question text, answer choices, correct answer labels, objective mapping, and source links. Only the first SEO card includes answer explanations and any extra learning features. Pro-only bank questions stay locked; this section mirrors only the 10 free daily questions already shown on this page.

Question 1 After drape removal, the CST observes a sharply demarcated red area under a positioning pad. What is the best next step?

Answer choices

  1. A. Ignore it because redness is expected after every long procedure, and defer communication of the abnormal finding until after the patient reaches the next phase of care
  2. B. Report the skin finding to the circulator/surgeon and document it according to facility procedure
  3. C. Apply adhesive tape over the area before transfer
  4. D. Massage the area vigorously to restore circulation

Correct answer

Report the skin finding to the circulator/surgeon and document it according to facility procedure

The CST is expected to report abnormal postoperative findings, including skin changes discovered during cleanup and device removal.

Wrong-answer review

  • A. Ignore it because redness is expected after every long procedure, and defer communication of the abnormal finding until after the patient reaches the next phase of care: Incorrect. Persistent or concerning skin changes should be reported.
  • C. Apply adhesive tape over the area before transfer: Incorrect. Tape does not assess or treat a possible pressure injury.
  • D. Massage the area vigorously to restore circulation: Incorrect. Vigorous massage can worsen tissue injury.

Extra learning features

Why candidates miss this

Why it is tempting: “Ignore it because redness is expected after every long procedure, and defer communication of the abnormal finding until after the patient reaches the next phase of care” sounds like a quick or familiar response. Why it fails: Persistent or concerning skin changes should be reported. Decisive rule: Report the skin finding to the circulator/surgeon and document it according to facility procedure. The CST is expected to report abnormal postoperative findings, including skin changes discovered during cleanup and device removal. Likely wrong answer: Ignore it because redness is expected after every long procedure, and defer communication of the abnormal finding until after the patient reaches the next phase of care Review focus: NBSTSA 2025 Official Reference List — Surgical Technology: Principles and Practice (Kotcher, 2021, 8th ed.)

Interview question

Q: During postoperative cleanup you notice an unexpected skin change under a positioning device. What do you do, and how do you communicate it? Strong answer: I would report the finding promptly to the appropriate team member, describe it objectively by location and appearance, protect the area during transfer, and document or support documentation according to facility policy. I would not dismiss it as normal or diagnose beyond my role.

  • prompt reporting
  • objective description
  • patient protection
  • facility documentation process
  • does not diagnose beyond scope

Caution: A strong answer recognizes that cleanup is also an opportunity to identify and communicate abnormal findings.

Why this matters

This matters because the CST's decision can prevent an avoidable patient-safety, workflow, or infection-control problem. The exam-ready rule is: Report the skin finding to the circulator/surgeon and document it according to facility procedure. The CST is expected to report abnormal postoperative findings, including skin changes discovered during cleanup and device removal.

Objective/domain: Perioperative Care: Postoperative Procedures

Source: NBSTSA 2025 Official Reference List — Surgical Technology: Principles and Practice (Kotcher, 2021, 8th ed.)

Question 2 During monthly review, the CST notices three items on a surgeon's preference card have not been used in the last 20 cases. What is the best action?

Answer choices

  1. A. Move the items to another surgeon's card to reduce waste
  2. B. Delete the items immediately based only on the utilization report
  3. C. Review the usage pattern with the surgeon/team and revise the card through the approved process if the items are no longer needed
  4. D. Keep opening the items because the card can never be changed, and leave the official preference card unchanged for future cases despite the identified update need

Correct answer

Review the usage pattern with the surgeon/team and revise the card through the approved process if the items are no longer needed

Objective/domain: Ancillary Duties: Administrative and Personnel

Source: NBSTSA 2025 Official Reference List — Surgical Technology: Principles and Practice (Kotcher, 2021, 8th ed.)

Question 3 A case cart routinely includes two expensive disposable devices, but the surgeon uses only one and the second is frequently opened unnecessarily. Which change best reduces cost without reducing readiness?

Answer choices

  1. A. Open both devices at the start of every case to save time, and continue the same supply-opening pattern without changing the waste-producing workflow
  2. B. Reuse the single-use backup on another patient
  3. C. Keep the backup immediately available but unopened unless the surgeon requests or the primary device fails
  4. D. Remove the backup from the department entirely

Correct answer

Keep the backup immediately available but unopened unless the surgeon requests or the primary device fails

Objective/domain: Ancillary Duties: Administrative and Personnel

Source: NBSTSA 2025 Official Reference List — Surgical Technology: Principles and Practice (Kotcher, 2021, 8th ed.)

Question 4 A small superficial vessel is oozing during dissection. The surgeon first applies a sponge directly to the site. Which category of hemostasis is being used?

Answer choices

  1. A. Chemical hemostasis
  2. B. Systemic anticoagulation
  3. C. Thermal hemostasis
  4. D. Mechanical hemostasis by direct pressure

Correct answer

Mechanical hemostasis by direct pressure

Objective/domain: Perioperative Care: Intraoperative Procedures

Source: NBSTSA 2025 Official Reference List — Surgical Technology: Principles and Practice (Kotcher, 2021, 8th ed.)

Question 5 The patient develops sudden massive hemorrhage. The surgeon calls for the massive-transfusion/emergency protocol. What should the CST prioritize?

Answer choices

  1. A. Stop all counts permanently because emergencies cancel count requirements
  2. B. Maintain the sterile field while rapidly providing requested hemostatic instruments, suction, sponges, and emergency supplies
  3. C. Wait for explicit requests for every basic item instead of anticipating needs, and maintain the routine operative workflow instead of shifting immediately to the coordinated emergency response
  4. D. Leave the sterile field to obtain blood from the blood bank personally

Correct answer

Maintain the sterile field while rapidly providing requested hemostatic instruments, suction, sponges, and emergency supplies

Objective/domain: Perioperative Care: Intraoperative Procedures

Source: NBSTSA 2025 Official Reference List — Surgical Technology: Principles and Practice (Kotcher, 2021, 8th ed.)

Question 6 After abdominal surgery, prep solution and dried blood remain on the patient's skin away from the dressing. What should the CST do before transfer?

Answer choices

  1. A. Assist with gentle cleanup according to facility procedure while protecting the incision, dressing, drains, and skin
  2. B. Remove the fresh dressing to clean underneath it
  3. C. Leave all residue because postoperative cleanup is never part of the CST role, and transfer the patient without correcting or reporting the postoperative cleanup issue first
  4. D. Use a harsh solvent so all residue is removed immediately

Correct answer

Assist with gentle cleanup according to facility procedure while protecting the incision, dressing, drains, and skin

Objective/domain: Perioperative Care: Postoperative Procedures

Source: NBSTSA 2025 Official Reference List — Surgical Technology: Principles and Practice (Kotcher, 2021, 8th ed.)

Question 7 During a major hemorrhage, tachycardia and peripheral vasoconstriction are compensatory responses primarily intended to:

Answer choices

  1. A. Increase urine production
  2. B. Lower oxygen delivery to the brain
  3. C. Maintain perfusion and blood pressure despite reduced circulating volume
  4. D. Increase gastrointestinal motility

Correct answer

Maintain perfusion and blood pressure despite reduced circulating volume

Question 8 Which action best reflects Standard Precautions during a procedure with potential blood splash?

Answer choices

  1. A. Use PPE selected for the anticipated exposure, including eye/face protection when splash is expected
  2. B. Replace hand hygiene with double gloves
  3. C. Use the same minimal PPE for every task regardless of exposure risk, and continue the exposure-prone task without adding the Standard Precautions required by the anticipated risk
  4. D. Reserve gloves only for patients known to have bloodborne infections

Correct answer

Use PPE selected for the anticipated exposure, including eye/face protection when splash is expected

Objective/domain: Basic Science: Microbiology

Source: CDC — Standard Precautions for All Patient Care

Question 9 After cleaning, a ring-handled hemostat is being inspected before set assembly. Which finding requires removal from the set?

Answer choices

  1. A. The jaws do not meet evenly when the first ratchet is engaged
  2. B. The instrument is clean and free of visible soil, and place the instrument into the completed set without correcting the defect before sterilization
  3. C. The instrument has a manufacturer-etched identification mark
  4. D. The box lock moves smoothly without excessive play

Correct answer

The jaws do not meet evenly when the first ratchet is engaged

Objective/domain: Ancillary Duties: Equipment Sterilization and Maintenance

Source: NBSTSA 2025 Official Reference List — Surgical Instrumentation: An Interactive Approach (Nemitz, 2022, 4th ed.)

Question 10 Which organism form is deliberately used in biological indicators because it is highly resistant to sterilization processes?

Answer choices

  1. A. Fungal hyphae only
  2. B. Red blood cells
  3. C. Bacterial spores
  4. D. Protozoan trophozoites only

Correct answer

Bacterial spores

Objective/domain: Basic Science: Microbiology

Source: CDC — Sterilizing Practices

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