NHA EKG PRACTICE EXAM QUESTIONS AND ANSWERS 2025

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NHA EKG PRACTICE EXAM QUESTIONS
AND ANSWERS 2025

If ventricular tachycardia occurs, what should you do? -correct
answer- notify the provider (this is an emergency)




For a stress test, where do you take the patients heart rate? -
correct answer- radial site




When would you stop a stress test? -correct answer- when
patients states they are dizzy




What extremity records activity in leads II & III? -correct
answer- left leg




What extremities record activity in lead I? -correct answer- right
arm and left arm




When a patient has low oxygen levels, what are they
experiencing? -correct answer- Hypoxemia

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What part deals with atria polarization on an EKG? -correct
answer- p wave




What part deals with ventricular depolarization (and atria
repolarization) on an EKG? -correct answer- QRS complex




What part deals with ventricular repolarization and is known as
the relaxation period? -correct answer- t wave




Where do you check the apical heart rate? -correct answer-
between the 5th and 6th ribs on/below the heart




When tachycardia is apparent on an EKG what would the
speed be? -correct answer- 50mm/second




What does R-R calculate? -correct answer- ventricular rate




What does P-P calculate? -correct answer- atria rate