NHA CET EXAM PREP || with 100% Errorless Answers.

What is the primary pacemaker? correct answers SA Node What is a more medically correct term for the clotting of an artery? correct answers Occlusion When the Atria depolarize (or contract), what is shown on the EKG tracing? correct answers P wave An irregular heartbeat that is common among children is called _____ _____. correct answers Sinus Arrhythmia 1 sm box on an EKG strip denotes 0.04 seconds of time. How long is this represented in millimeters? correct answers 1 mm What is the term used to described the amount of blood pumped by the heart per minute? correct answers Cardiac output Leads I to III are collectively known as correct answers Standard leads Leads V1 to V6 are collectively known as correct answers Precordial leads What is the main artery in the arterial system correct answers Aorta aVr, aVl, and aVf are known as correct answers Augmented leads Leg electrodes are only used for? correct answers grounding What is the main vein in the venous system? correct answers Superior vena cava The mitral valve is also known as correct answers bicuspid valve When the ventricles depolarizes (contracts), what is shown on the EKG tracing correct answers QRS complex The Angle of Louis provides the LOCATION for which intercostal space correct answers 2nd When clotting reduces oxygen supply to a region of the heart it is known as _____. correct answers Ischemia When the Atria repolarize (or are at rest), what is shown on the EKG tracing? correct answers PR segment (T/F) You should stop a stress test because of a change of heart rhythm correct answers False