Expert articles to help you pass your CRCST, CIS, CER, and CHL exams. Written by a 15-year sterile processing professional.
HSPA is updating the CHL exam in 2026. Learn the new eligibility requirements, October pilot exam dates, testing blackout, December relaunch, and how to study.
Read ArticleWhat is the passing score for the CRCST exam? Learn what HSPA publishes, how pass/fail scoring works, and how to use practice scores without relying on a false cut score.
Read MoreLearn when simulation helps CRCST preparation, how to review rationales, and why domain practice should come before repeated timed exams.
Read MoreLearn when CRCST mock exams are useful, how often to take them, and how to turn a timed score report into focused domain review.
Read MoreWhy domain-based CRCST question review helps you study smarter, track weak areas, and avoid random exam prep.
Read MorePrepare for the Certified Endoscope Reprocessor exam by using simulation, endoscope processing topics, and mock exam review in the right order.
Read MorePractice CRCST, CIS, CER, and CHL exam questions in one sterile processing exam simulator with instant feedback and mock exams.
Read MoreA complete exam-prep roadmap for CRCST, CIS, CER, and CHL candidates — how to build a study plan, which resources actually work, and the mistakes that cause first-attempt failures.
Read MoreLearn how surgical procedures actually work — OR roles, procedure phases, surgical specialties, and why understanding the OR helps you assemble better instrument trays.
Read MoreA surgical-technologist-focused anatomy and physiology primer — body planes, major systems, and why anatomical knowledge matters for OR positioning, prepping, and instrumentation.
Read MoreWhere to find free, high-quality practice questions and flashcards for CRCST, CIS, CER, and CHL certification exams — and how to use them for maximum exam-day results.
Read MoreThe materials and manufacturing behind surgical instruments — stainless steel grades, finishes, and why it matters for how you care for them.
Read MoreBiological and chemical indicators both monitor sterilization but test different things. Here's how each works and what the CRCST exam expects you to know.
Read MoreHow sterile storage and inventory management work — FIFO rotation, event-related sterility, and what the CRCST exam tests in this often-overlooked domain.
Read MoreHow the Spaulding Classification System works — critical, semi-critical, and non-critical items, and what processing each one requires.
Read MoreThe anatomy and physiology sterile processing technicians actually need — body systems, directional terms, and how they connect to instrument trays.
Read MoreHow ethylene oxide sterilization works — cycle parameters, safety concerns, biological indicators, and what's tested on the CRCST exam.
Read MoreMaster the medical terminology tested on the CRCST exam — root words, abbreviations, directional terms, and a full sterile processing glossary.
Read MoreHow to become a sterile processing technician — training paths, required hands-on hours, the CRCST exam, and what the job actually pays.
Read MoreWhat is the correct order of decontamination in sterile processing? Learn every step from point-of-use pre-cleaning to transfer to prep and pack — exactly as tested on the CRCST exam.
Read MoreMaster all sterilization methods tested on the CRCST exam — steam, ETO, hydrogen peroxide plasma, dry heat, and more. Includes key parameters and exam tips.
Read MoreStruggling with surgical instrument identification for the CIS exam? This guide covers the most tested instruments, how to study them effectively, and tips to pass.
Read MoreMaster the decontamination domain for your CRCST exam. Learn the correct order of operations, cleaning methods, PPE requirements, and common exam questions.
Read MoreNot sure which sterile processing certification to pursue? This guide breaks down the differences between CRCST, CIS, CER, and CHL to help you choose the right path.
Read MoreA complete study guide for the CRCST exam — covering the 7 domains, best study strategies, and how to use practice questions to pass on your first attempt.
Read MoreStart practicing free across CRCST, CIS, CER, and CHL, with optional All-Access features when you need more volume.
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