NHA EKG Certification Assessment Question with complete solution 2023

NHA EKG Certification Assessment Question with complete solution 2023What is the heart's primary pacemaker? SA Node What is a more medically correct term for the clotting of an artery? Occlusion When the Atria depolarize (or contract), what is shown on the EKG tracing? P Wave aVR picks up from the center of the ___ to the ___ ___. (Add "to the" in your answer.) Heart to the Right Arm An irregular heartbeat that is common among children is called _____ _____. Sinus Arrhythmia 1 small box on an EKG strip denotes 0.04 seconds of time. How long is this represented in millimeters? 1 mm Lead I picks up from the ___ ___ to the ___ ___. (Add "to the" in your answer.) Right Arm to the Left Arm What is the term used to described the amount of blood pumped by the heart per minute? Cardiac Output Leads I through III are collectively known as? Standard Leads Lead II picks up from the ___ ___ to the ___ ___. (Add "to the" in your answer.) Right Arm to the Left Leg Leads V1 through V6 are collectively known as (Hint: Chest) Precordial Leads What is the main artery in the arterial system? (Hint: It carries oxygenated blood to the heart and other parts of the body.) Aorta aVL picks up from the center of the ___ to the ___ ___. (Add "to the" in your answer.) Heart to the Left Arm aVR, aVL, and aVF are collectively known as? Augmented Leads Lead III picks up from the ___ ___ to the ___ ___. (Add "to the" in your answer.) Left Arm to the Left Leg Leg electrodes are only used for? Grounding aVF picks up from the center of the ___ to the ___ ___. (Add "to the" in your answer.) Heart to the Left Leg What is the main vein in the venous system? (Hint: It carries deoxygenated blood from the lungs to the heart's right atrium.) Superior Vena Cava When the heart is in a Systolic State, what pacemaker releases an electrical impulse? AV Node V5, located on the anterior axillary line (AAL), should be placed halfway between which two leads? V4 and V6 The Mitral Valve is also known as the ___ ___. Bicuspid Valve When the Ventricles depolarize (or contract), what is shown on the EKG tracing? QRS Complex When using a Sphygmomanometer (Blood Pressure Cuff) to measure blood pressure, the FIRST audible thump when listening to the brachial artery with a Stethoscope denotes what kind of pressure? Systolic The Angle of Louis provides the LOCATION for which intercostal space? (Write out the number) Second When clotting reduces oxygen supply to a region of the heart it is known as _____. Ischemia When the Atria repolarize (or are at rest), what is shown on the EKG tracing? PR Segment True or False? You should stop a stress test because of a change of heart rhythm. False What is missing in this outline of Pulmonary Circulation? 1) RA (Right Atrium) 2) Tricuspid Valve 3) RV (Right Ventricle) 4) Pulmonary Valve 5) Pulmonary Arteries (Right/Left) 6) Lungs 7) Pulmonary Veins (Right/Left) 8) LA (Left Atrium) 9) Mitral Valve 10) LV (Left Ventricle) 11) _____ 12) Aorta Aortic Valve What is formed by the manubrium and the body of the sternum and helps in electrode placement? Angle of Louis V1 is placed in the 4th intercostal space and is located on which side of the sternum? Right The distance between P wave to P wave can be used to calculate what kind of rate? (2 words) Equation = 1500 / (distance b/w P waves)(# of boxes b/w P waves) OR 300 / # of big boxes b/w P waves Atrial Rate Which lead should be placed just below the nipple, in the 5th intercostal space on the midclavicular line (MCL)? V4 What arrhythmia is associated with the skipping of heartbeats on an EKG tracing? (2 words) Sinus Arrest Which side of the sternum would you place V2 if the patient had dextrocardia? Right V3 should be placed halfway between which two leads? V2 and V4 V6 is placed along the same horizontal plane as V4 and on the _____ line. (Hint: MAL) Midaxillary The presence of an inverted or absent P wave indicates what type of arrhythmia? (Hint: 2 words) Junctional Rhythm 1 minute of an EKG strip is equivalent to how many millimeters in length? 1500 mm A full cycle of Ventricles in action is shown as what on the EKG tracing QT Interval