Questions and Answers Verified Answers

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NHA EKG Certification Assessment Questions and Answers (Verified Answers)

• What is the heart's primary pacemaker? ANS SA Node

• What is a more medically correct term for the clotting of an artery? ANS

Occlu- sion

• When the Atria depolarize (or contract), what is shown on the EKG trac-

ing? ANS P Wave

• aVR picks up from the center of the to the .

(Add "to the" in your answer.) ANS Heart to the Right Arm

• An irregular heartbeat that is common among children is called

. ANS Sinus Arrhythmia

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• 1 small box on an EKG strip denotes 0.04 seconds of time. How long is this

represented in millimeters? ANS 1 mm

• Lead I picks up from the to the . (Add "to the" in your

answer.) ANS Right Arm to the Left Arm

• What is the term used to described the amount of blood pumped by the

heart per minute? ANS Cardiac Output

• Leads I through III are collectively known as? ANS Standard Leads

• Lead II picks up from the to the . (Add "to the" in your

answer.) ANS Right Arm to the Left Leg

• Leads V1 through V6 are collectively known as

(Hint Chest) ANS Precordial Leads

• What is the main artery in the arterial system?

(Hint ANS It carries oxygenated blood to the heart and other parts of the body.)-

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