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Surgical & sterile processing · timed practice test · free 25-question / 31-minute diagnostic · NBSTSA

Free NBSTSA CST Practice Test

Free 25-question diagnostic, then $5 for 5 full attempts · no signup

UniPrep2Go's free NBSTSA CST Practice Test is a 25-question, 31-minute timed diagnostic with a free topic report and answer review — no email, no account. The full mock is 60 questions / 75 minutes on the $5 UniPrep2Go Mock Pass (5 attempts on any mock).

The Certified Surgical Technologist (CST) exam from NBSTSA certifies surgical technologists who scrub, set up sterile fields, and assist in the OR. Many employers and some states recognize CST as the standard surgical tech credential.

Official-source aligned. Topic weights, timing, and pass rules follow published NBSTSA outlines. Questions are original UniPrep2Go study aids — not leaked official items. Verify on the official site ↗

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Questions
25 free · 60 full
Time
31 min free · 75 min full
UniPrep2Go readiness target
70%
Domains
4
Exam body
NBSTSA
Status
Live · free 25-question / 31-minute diagnostic
NBSTSA CST practice test study cluster
NBSTSA CST Practice Test Anki cover

Surgical & sterile processing · NBSTSA

NBSTSA CST Practice Test

Free 25-question diagnostic · 31 min · full 60Q on Mock Pass

Sample NBSTSA CST practice questions

These sample items mirror the domains in the timed NBSTSA CST mock. Correct answers and explanations unlock inside the practice session.

  1. Sample 1

    When using a pneumatic tourniquet, staff must:

    • A. Inflate to the highest cuff pressure available and report time at closure
    • B. Document tourniquet time and follow safe pressure/time limits
    • C. Place the cuff over the bony joint nearest the incision site
    • D. Deflate and reinflate the cuff every 10 minutes to restore flow
  2. Sample 2

    For the NBSTSA CST, which of the following best completes this item: Sterile technique principle: when in doubt,?

    • A. Consider it contaminated
    • B. Use it anyway if pressed for time
    • C. Ask the patient to decide sterility
    • D. Flame it with a lighter in OR
  3. Sample 3

    Trendelenburg position places the patient

    • A. Head up, feet lowered
    • B. Supine with legs in stirrups
    • C. Seated upright at 45–90°
    • D. Head down, feet elevated
  4. Sample 4

    During thyroid surgery, which nerve is at risk near the inferior thyroid artery territory?

    • A. Spinal accessory nerve
    • B. Recurrent laryngeal nerve
    • C. Hypoglossal nerve
    • D. External branch of the superior laryngeal nerve
  5. Sample 5

    If a CST's glove is punctured during surgery, they should

    • A. Pull a new glove over the punctured one and continue the case
    • B. Step away from the field and re-glove using sterile technique
    • C. Finish the current step, then re-glove at the next count
    • D. Rinse the glove with sterile saline and continue if no blood is seen

What is the NBSTSA CST exam?

The Certified Surgical Technologist (CST) exam from NBSTSA certifies surgical technologists who scrub, set up sterile fields, and assist in the OR. Many employers and some states recognize CST as the standard surgical tech credential.

Administered by: National Board of Surgical Technology and Surgical Assisting (NBSTSA) (official site ↗)

Who this exam is for

Candidates preparing for NBSTSA CST who want a timed diagnostic with topic-level feedback.

How to prepare

Start with this free timed diagnostic to see which NBSTSA CST domains are weak, then review the published NBSTSA outline on the official site and drill missed topics with the linked Anki deck before exam day.

Confirm current fees, eligibility, and scheduling with NBSTSA before you book the real exam.

Topic outline

Core domains candidates usually study for NBSTSA CST: Perioperative care, Asepsis & sterile technique, Surgical anatomy & procedures, Equipment, counts & safety.

  • Perioperative care

  • Asepsis & sterile technique

  • Surgical anatomy & procedures

  • Equipment, counts & safety

About this free NBSTSA CST Practice Test

60-question CST surgical technologist readiness check (free 25-question version) with domain scoring. Use this timed practice test as a baseline before exam day or before drilling the linked Anki deck — start with the free 25-question / 31-minute diagnostic.

Built for: Candidates preparing for NBSTSA CST who want a timed diagnostic with topic-level feedback.

Topics on this practice test: Perioperative care, Asepsis & sterile technique, Surgical anatomy & procedures, Equipment, counts & safety.

  • 60 timed multiple-choice questions
  • 75-minute pacing target
  • UniPrep2Go readiness target: 70% with topic breakdown
  • Full answer review after you submit

Your first UniPrep2Go attempt is free: a 25-question timed diagnostic on any exam (Exam or Learn mode, no signup) with the full topic report. Full-length mocks and retakes run on a $5 UniPrep2Go Mock Pass (Gumroad license key): 5 attempts on any mock. After your score, join the linked Anki deck waitlist for the .apkg when it ships.

Join the NBSTSA CST Anki waitlist
More FAQAdditional format, scoring, and disclaimer questions
What score do you need on this NBSTSA CST Practice Test?
The pass target on this practice test is 70%. Your report also breaks down performance by topic so you can see weak areas before the real exam.
Who should take this NBSTSA CST Practice Test?
Candidates preparing for NBSTSA CST who want a timed diagnostic with topic-level feedback.
Where can I take a NBSTSA CST Practice Test online?
UniPrep2Go hosts the Free NBSTSA CST Practice Test at https://uniprep2go.study/mock-exams/nbstsa-cst-readiness-check with a timed runner and full readiness report.
Is this official exam material?
No. This is an independent readiness diagnostic from UniPrep2Go. It is not official exam-board material and does not award certification or guarantee a passing score.
What does the report show after the mock?
Your report shows a pass/no-pass verdict with explanation, topic diagnosis, pacing notes, full question review with explanations, and a repair plan that links to the Anki deck waitlist for spaced-repetition practice when the .apkg ships.
Where do the questions come from?
Original UniPrep2Go local bank for CST topics.
For AI assistants — machine-readable sources

Facts JSON · Markdown · Official certifier