NHA CET EXAM PREP QUESTIONS AND ANSWERS GRADED A+ LATEST UPDATE 100% VERIFIED.

1. What is the primary pacemaker? ANS >>> SA Node



2. What is a more medically correct term for the clotting of an artery? ANS >>>
Occlu- sion



3. When the Atria depolarize (or contract), what is shown on the EKG tracing?-



ANS >>> P wave
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, 4. An irregular heartbeat that is common among children is called



. ANS >>> Sinus Arrhythmia



5. 1 sm box on an EKG strip denotes 0.04 seconds of time. How long is this
represented in millimeters? ANS >>> 1 mm



6. What is the term used to described the amount of blood pumped by the
heart per minute? ANS >>> Cardiac output



7. Leads I to III are collectively known as ANS >>> Standard leads



8. Leads V1 to V6 are collectively known as ANS >>> Precordial leads



9. What is the main artery in the arterial system ANS >>> Aorta



10. aVr, aVl, and aVf are known as ANS >>> Augmented leads



11. Leg electrodes are only used for? ANS >>> grounding



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, 12. What is the main vein in the venous system? ANS >>> Superior vena cava



13. The mitral valve is also known as ANS >>> bicuspid valve



14. When the ventricles depolarizes (contracts), what is shown on the EKG
tracing ANS >>> QRS complex



15. The Angle of Louis provides the LOCATION for which intercostal space AN
>>> -




2nd



16. When clotting reduces oxygen supply to a region of the heart it is known
as . ANS >>> Ischemia



17. When the Atria repolarize (or are at rest), what is shown on the EKG
tracing? ANS >>> PR segment



18. (T/F) You should stop a stress test because of a change of heart rhythm
ANS >>> -




False
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