Educational Author & Instructional Designer
John Langstrom specializes in healthcare certification preparation, with a focus on making complex clinical concepts accessible to every learner. His study guides have helped thousands of aspiring CNAs pass their state exams with confidence.
This portal is your companion resource to the CNA Study Guide 2026–2027: practice tests, progress tracking, and content aligned with the latest exam standards.
Timed quizzes mirroring the real CNA exam — with instant scoring and explanations.
Start a Quiz →Monitor your scores over time and focus your study on weaker areas.
View My Progress →Aligned with 2026–2027 exam changes including Telehealth and Infection Control.
Study 2026-2027 Updates →300 medical terms EN/ES — searchable, filterable, and downloadable for offline use on your phone.
📖 Free Download →Master the medical terminology you need to pass your CNA exam.
📖 Browse the Medical Glossary →