NHA CET EXAM PREP QUESTIONS WITH 100 % CORRECT ANSWERS | VERIFIED

What is the primary pacemaker? - Answer-SA Node What is a more medically correct term for the clotting of an artery? - Answer-Occlusion When the Atria depolarize (or contract), what is shown on the EKG tracing? - Answer-P wave An irregular heartbeat that is common among children is called _____ _____. - Answer-Sinus Arrhythmia 1 sm box on an EKG strip denotes 0.04 seconds of time. How long is this represented in millimeters? - Answer-1 mm What is the term used to described the amount of blood pumped by the heart per minute? - AnswerCardiac output Leads I to III are collectively known as - Answer-Standard leads Leads V1 to V6 are collectively known as - Answer-Precordial leads What is the main artery in the arterial system - Answer-Aorta aVr, aVl, and aVf are known as - Answer-Augmented leads Leg electrodes are only used for? - Answer-grounding What is the main vein in the venous system? - Answer-Superior vena cava The mitral valve is also known as - Answer-bicuspid valve When the ventricles depolarizes (contracts), what is shown on the EKG tracing - Answer-QRS complexThe Angle of Louis provides the LOCATION for which intercostal space - Answer-2nd When clotting reduces oxygen supply to a region of the heart it is known as _____. - AnswerIschemia When the Atria repolarize (or are at rest), what is shown on the EKG tracing? - Answer-PR segment (T/F) You should stop a stress test because of a change of heart rhythm - Answer-False What is formed by the manubrium and the body of the sternum that helps in electrode placement - Answer-Angle of Louis V1 is placed in the 4th intercostal space and is located on which side of the sternum - Answer-Right side The distance between P wave to P wave can be used to calculate what kind of rate - Answer-Atrial rate Which lead should be placed just below the nipple, in the 5th intercostal space on the midclavicular line (MCL)? - Answer-V4 What arrhythmia is associated with the skipping of heartbeats on an EKG tracing? - Answer-Sinus Arrest Which side of the sternum would you place V2 if the patient had dextrocardia? - Answer-Right V3 should be placed halfway between which two leads? - Answer-V2 and V4 The presence of an inverted or absent P wave indicates what type of arrhythmia? - AnswerJunctional Arrhythmia 1 minute of an EKG strip is equivalent to how many millimeters in length? - Answer-1500 mm