Every question teaches back
The stem, the key clue, the right answer, and the reasoning path, so you understand it instead of memorizing it.
New TeachBack™ is Tutor Mode™, reimagined
Accredited education providerCommission for Health, Safety & Professional Standards
Accredited education providerCommission for Health, Safety & Professional Standards
Know you're ready to pass, before exam day.
Practice with exam-style questions for 238 healthcare exams. Every answer is explained, and your readiness score shows how close you are to passing, so you always know what to study next.
Free quiz, no account needed $150 for a full year, no subscription
4.8/5 learner rating · 50,000+ learners across healthcare exams
Try it right here
Try a real question
Pick an answer below. You'll see the same explanation our learners get after every question, and you can listen to the tutor read it.
A 62-year-old man comes to the emergency department with sudden severe chest pain that began 30 minutes ago while lifting a box. The pain is tearing and radiates to the back. Blood pressure is 184/96 mm Hg in the right arm and 152/84 mm Hg in the left arm. The left radial pulse is diminished. ECG shows sinus tachycardia without ST-segment elevation. Initial troponin is normal. What is the most appropriate next step?
1Pick your answer Tap a choice, or press A–D
Your explanation appears as soon as you choose.
2See the TeachBack™ explanation
Choose A, B, C or D. The tutor starts explaining right away.
- The clue
Tearing pain to the back, a 32 mm Hg pressure difference between the arms, and a weak left radial pulse. That is aortic dissection until proven otherwise.
- Why B is right
The first priority is protecting the aorta: lower shear stress with IV beta-blockade, then confirm with urgent CT angiography.
- The trap
It looks like a heart attack, so A feels safe. But heparin and antiplatelets can be catastrophic in a dissection. No ST elevation and a normal troponin are your cue to stop.
- The other options
C Thrombolysis is for unstable PE and would worsen dissection bleeding. D Pericarditis gives positional pain and diffuse ST elevation.
- Lock it in
Tearing pain to the back plus unequal pulses or pressures: protect the aorta first. Beta-block, image urgently, call vascular or cardiothoracic surgery.
Preparing for a different exam? Every exam has its own free 20-question quiz with the same TeachBack explanations and tutor audio.
Not just a QBank
What you get with every question
Every wrong answer gets explained
See why each option was wrong, which trap it set, and how to avoid the same mistake on exam day.
Every mistake becomes a next step
Your answers and confidence feed an adaptive plan, so you always know what to study next.
TeachBack™ audio on QBank questions
Lesson audio
Full distractor explanations
Citation-supported rationales
SME-reviewed content
Confidence tracking
Remediation queues
Readiness dashboard
Spaced-repetition flashcards
Smart study plan
How it works
How studying with Regulated Science Institute works
TodayDay 14 of 60
On track- Cardiac physiology lesson25 min
- Renal flashcards12 cards
- Neuro QBank block20 questions
- Missed-question audio review15 min
MTWTFSS
Question 8 of 40Pharmacology
AIncrease the doseYour answer
BCheck a trough level first
CSwitch to another agent
TeachBack™ The clue is the new nephrotoxicity. Levels before dose changes. Review: therapeutic drug monitoring
78%Readiness
Study anywhere
Study when you can't look at a screen
Most exams include audio for explanations and lessons. Listen on your commute, at the gym, or between shifts.
- Commute reviewMissed-question explanations on the drive or train.
- Gym and walksReinforce key concepts during cardio or chores.
- Between shiftsFive-minute weak-area reviews, no desk needed.
1,500QBank questions
×
3 minTeachBack™ each
=
75+ hoursof tutor-guided audio review, before lessons and flashcards
Example: a 1,500-question QBank at about 3 minutes per explanation. Lesson audio adds more (85 lessons × ~10 min ≈ 14 hours). Totals vary by course.
Free, no account needed
Start with a free quiz
Free sample questions for your exam, with a full explanation after each one. No account and no credit card.
Browse all free quizzesLearners
Less re-reading. More understanding.
The guided drills were the difference. I stopped re-reading notes and started doing timed sets. My scores jumped in two weeks.
The explanations are crisp and the pacing is perfect. I used the active recall prompts every night and it stuck.
My confidence was the biggest change. The milestones kept me honest and I knew I was improving.
I loved the frameworks and examples. Prioritization became obvious, and the drills fixed my weak spots fast.
Simple pricing
$150 per exam, for a full year
You pay once. There's no subscription, and nothing renews on its own.
Individual
$150/ exam · 1 year
One price for the whole exam, with a tutor in every question.
- Full QBank with TeachBack™ on every question
- Audio explanations and lesson audio
- Illustrated, exam-trap-focused lessons
- Spaced-repetition flashcards
- Smart study plan and readiness analytics
- Tutor and timed modes, unlimited blocks
One-time payment · Not sure yet? Try the free quiz
Programs & teams
Custom
Schools, hospitals, residency programs, health systems, and life sciences teams.
- Everything in Individual for every learner
- Cohort analytics and readiness dashboards
- Adaptive remediation by learner and domain
- SSO, LMS, and HR/training integrations
- Most cohorts live in about 30 days
For institutions & enterprise
For schools, hospitals and employers
Give a whole class or team the same prep, and see who is ready and who needs help before exam day.
Cloud-first SaaSHosted and configurable, multi-tenant or single-tenant. No internal hosting burden.
Integration-readySSO, LMS, HR/training, reporting, and healthcare interoperability pathways.
Security & governanceFERPA-aligned. HIPAA/BAA for eligible configurations. SOC 2 readiness in progress.
About 30 days to launchPilot, configure, expand. Most cohorts go live within roughly 30 days.
CanvasBlackboardMoodleD2L BrightspaceSAML / OAuth / OIDCSCIMWorkday LearningCornerstoneEpicMEDITECHOracle HealthFHIRSMART on FHIRHL7CSV / SFTPWebhooks
UniversitiesHospitalsHealth systemsResidency programsPharma & life sciencesEmployers
FAQ
Common questions
Still unsure? and we'll help you pick the right plan.
What is Regulated Science Institute TeachBack™?
TeachBack™ is Tutor Mode™, reimagined: a tutor layer built into every lesson and QBank question. After each answer it walks you through the stem, the key clue, the trap, why each wrong option is wrong, and what to review next, with audio you can replay anywhere.
How is it different from a normal QBank explanation?
A normal explanation tells you why the right answer is right. TeachBack™ teaches the whole question back: the clue you should have caught, the trap that pulled you in, every distractor, and a next step based on your performance and confidence.
Can I try it before I buy?
Yes. Take a free practice quiz with exam-style questions and full explanations. No account or credit card required.
What is included in the $150 course prep?
Everything for that exam for one full year: the complete QBank with TeachBack™ explanations, structured lessons, lesson and explanation audio, spaced-repetition flashcards, a smart study plan, and performance analytics.
Which exams do you cover?
Medical, nursing, pharmacy, dental, PA, and allied health exams, including USMLE, COMLEX, NCLEX, NAPLEX, PANCE, and DAT. See the exam catalog for the full, current list.
Can I study while commuting or working out?
Yes. TeachBack™ audio lets you replay explanations, missed questions, and lessons while driving, walking, at the gym, or between shifts.
My exam is soon. Is it worth starting now?
Yes. The study plan adapts to your date and puts high-yield topics and your weakest areas first. Start with the free quiz to see where you stand.
Is it a subscription? Can I cancel?
No subscription. Each course prep is a one-time purchase with one year of access, with no recurring charges or auto-renewal.
Do you work with schools, hospitals, and employers?
Yes. Programs get the same TeachBack™ engine plus cohort analytics, adaptive remediation, SSO and LMS integration, and custom pricing. Most cohorts launch within about 30 days.
How do I get help?
Use the Contact button at the bottom of this page. Our team reads every message and replies as quickly as possible.
Ready to see how you'd do?
Take a free practice quiz for your exam. No account needed.