NHA CET EXAM PREP With Solutions

NHA CET EXAM PREP With Solutions What is the primary pacemaker? - Correct Answer SA Node What is a more medically correct term for the clotting of an artery? - Correct Answer Occlusion When the Atria depolarize (or contract), what is shown on the EKG tracing? - Correct Answer P wave An irregular heartbeat that is common among children is called _____ _____. - Correct Answer Sinus Arrhythmia 1 sm box on an EKG strip denotes 0.04 seconds of time. How long is this represented in millimeters? - Correct Answer 1 mm What is the term used to described the amount of blood pumped by the heart per minute? - Correct Answer Cardiac output Leads I to III are collectively known as - Correct Answer Standard leads Leads V1 to V6 are collectively known as - Correct Answer Precordial leads What is the main artery in the arterial system - Correct Answer Aorta aVr, aVl, and aVf are known as - Correct Answer Augmented leads Leg electrodes are only used for? - Correct Answer grounding What is the main vein in the venous system? - Correct Answer Superior vena cava The mitral valve is also known as - Correct Answer bicuspid valve When the ventricles depolarizes (contracts), what is shown on the EKG tracing - Correct Answer QRS complex