Free during beta — 1,279 questions · 5 tracks

Pass your sterile processing
certification the first time

1,279 HSPA-aligned practice questions with instant explanations. SM-2 spaced repetition targets your weak areas. No fluff, no busywork — just what you need to pass.

Start practicing free → Take the free quiz

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1,279
Practice Questions
5
Cert Tracks
7
HSPA Domains
100%
Free During Beta
Why SterileProtocol

Study smarter, not harder

Built for CSSD technicians who need to pass, not browse.

📙
1,279 Real Exam Questions
Written to match HSPA and CBSPD exam blueprints. Detailed explanations for every answer — understand the why, not just the what.
CRCST, CSPDT, CIS, CER, CHL
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Adaptive Spaced Repetition
SM-2 algorithm schedules your reviews automatically. Questions you miss appear at shorter intervals. Mastered material fades out. Your time goes where it counts.
SM-2 algorithm
📊
Progress Dashboard
Track accuracy by domain, see your streaks, review session history. Know exactly where you stand and what to focus on next.
Live tracking
⏱
Timed Practice Mode
Simulate exam conditions with configurable timers. 30, 60, or 90 minutes — or go untimed for learning mode. Build test-day stamina.
Exam-day simulation
🔎
Domain-Filtered Practice
Focus on your weak spots. Filter questions by HSPA domain: Infection Prevention, Decontamination, Inspection & Maintenance, and more.
HSPA domain alignment
🎯
Practice or Exam Mode
Practice mode shows explanations after each answer. Exam mode locks in your score until the end — for the real thing simulation.
Dual study modes
Certification Tracks

All 5 major credentials covered

CRCST, CSPDT, CIS, CER, and CHL — one account, adaptive study paths tailored to each.

CRCST
HSPA
Certified Registered Central Service Tech
Decontamination, sterilization, infection control, instrument handling — 7 HSPA domains
CSPDT
CBSPD
Certified Sterile Processing & Distribution Tech
CBSPD’s entry-level credential covering 8 content domains
CIS
HSPA
Certified Instrument Specialist
Surgical instrument ID, tray assembly, pattern recognition, advanced handling
CER
HSPA CBSPD
Certified Endoscope Reprocessor
AER troubleshooting, flexible endoscope cleaning, high-level disinfection
CHL
HSPA PILOT 2026
Certified Healthcare Leader
Strategic decision-making, department management, value-based care prioritization
How It Works

Three steps to exam-ready

No account setup hell. No confusing dashboards. Just study.

1

Pick your track

Choose CRCST, CSPDT, CIS, CER, or CHL. Filter by domain if you want to focus on weak areas. Configure your timer and question count.

2

Practice with purpose

Answer questions in practice or exam mode. Get instant explanations in practice mode. Build test-day stamina in exam mode.

3

Track & improve

Your dashboard shows accuracy by domain and track. SM-2 schedules your reviews. Weak areas get surfaced automatically.

Ready to pass the first time?

Free access while in beta. No credit card. Just start studying.

Start practicing free → Take the free quiz