CST exam prep from the OR floor

Pass the CST exam with help from a tech who's been there for 20+ years.

Real OR tips, original practice questions, and study help from a surgical technologist who has been scrubbing in since 2004.

Mario Velasco Jr., the OR Veteran, in the operating room
Cover of The OR Veteran's Exam Prep for Surgical Technologists
Coming November 2026

The OR Veteran's Exam Prep for Surgical Technologists

A practical study guide written from the OR floor, with practice questions built around how the job really works.

  • 575 practice questions
  • Answer rationales that explain the why
  • OR pearls from 20+ years in the operating room

Paperback $24.99

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25 original questions with an answer key and rationales. Test yourself today.

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Mario Velasco Jr.

About me

Mario Velasco Jr.

I'm Mario. I've been a surgical technologist since 2004, which means more than 20 years of setting up sterile fields, running counts, and learning to anticipate the surgeon's next move.

I started OR Veteran to share what the operating room has taught me: practical tips, instrument know-how, and original practice questions to help new and returning techs get ready for the CST exam. Faith and family keep me grounded, and helping the next generation of techs is how I want to give back.

β€œWhen in doubt, throw it out.”

The first rule of sterile technique.