EKG Practice Test
The NHA Certified EKG Technician (CET) exam has 120 questions in 2 hours: 100 scored questions in three domains and 20 unscored pretest questions. Each practice test below has original questions from one domain, each with the answer and an explanation.
Source: NHA CET test plan.
Rhythm questions describe each strip in words (rate, regularity, P waves, PR interval, QRS width); strip images are not included.
- 3 tests
- 75 questions
- Free to use, no sign up
Study the topics first
The EKG study guide has 24 lessons that follow the same domains.
Open the EKG study guidePractice the full EKG bank.
3,315 questions with explanations, timed section tests and an AI tutor, plus the study guide. Your account opens right after payment.
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Included: an explanation for every question, the Study Guide with 24 audio lessons, an AI tutor to ask why on any question, timed section tests and progress by topic.
Questions, answered
Are these actual EKG questions?
No. They are original practice questions written from the public exam outline, not questions taken from the exam. Exam owners keep live questions confidential.
How long is the NHA CET exam?
120 questions in 2 hours: 100 scored and 20 unscored pretest questions. A scaled score of 390 or higher, on a 200 to 500 scale, passes. Source: NHA CET test plan.
Is this EKG practice test free?
Yes. All 3 tests, 75 questions in total, are free to use with answers and explanations, and there is no sign up. The full bank of 3,315 questions comes with a plan.
Where should I start?
Start with the domain you find hardest. Each test covers one domain, so a low score shows where to spend your study time.
These are original practice questions written from the public exam outline. They are not actual exam questions. NHA and CET are trademarks of their owner. tests.global is not affiliated with or endorsed by NHA.
Updated November 1, 2026.