AMERICAN ALLIED PRACTICE EXAM QUESTIONS WITH CORRECT ANSWERS GRADED A+

Another name for the SA node is - pacemaker normally a complete ECG consists of ____ leads: - 12 The PR interval of a first degree AV block - Is constant and greater than 0.20 second in duration. Wolf Parkinson white syndrome is associated with - short PR interval, delta waves, wide QRS complex The term for three more PVCs occurring in a row at a rate of more than 100 bpm is - A run a ventricular tachycardia The inherit rate for the AV junction is - 40 - 60 bpm if you are is measurement of less than ___ sec Indicate a supraventricular pacemaker - .12 A straight line on the ECG strip produced by the stylus when the EKG isn't connected to the patient is called - Isoelectric line when you have more than one premature beat that are a different kind they are called - multifocal The atrial rate in atrial fabulation is - more than 350 bpm it junctional tachycardia is - regular when a site speeds up And takes over as a pacemaker, it is referred to as - Ectopic pacemaker What structures maintain control of blood flowing through the heart - valves sinus sinus rhythm at a rate of 48 would be considered - bradycardia when the cardiac muscles are stimulated - None of the above The epicardium is - The outer most layer of the heart in sinus arrhythmia , A gradual decreasing of the heart rate is usually associated with - Expiration which of the following are chest leads - Leads V1, V2, V3, V4, V5, and V6 in atrial tachycardia the actual rate can be as low as - 100 - 150 bpm Irregular rhythm with a normal heart rate is - normal sinus rhythm when the atria and ventricles are seen to be beating independently it is also called - Third-degree heart block When you have more than one premature beat that appears identical, they're cold - Unifocal A rhythm that is normal in every aspect with the rate of 101 - 180 bpm is called - sinus tachycardia what is the rate for junctional tachycardia - 100-180 bpm impulses from the AV node go through the ______ to the right and left bundle branches - bundle of HIS U waves are thought to represent - Repolarization of the Purkinje fibers in 2:1 AV block, the PR interval - lengthens When the cardiac muscle cells stimulated, the cell is said to - Depolarize The QRS measurement for a PAC should be - less than .12 seconds The anterior surface of the heart consist primarily of the - right ventricle Which of the following leads are bipolar leads - l, ll, lll Tall, peaked T waves observed on the ECG are most commonly seen impatient with - Hyperkalemia leads V1 and V2 view which portion of your heart? - sepal wenckeback is characterized by increasingly long PRI's followed by a ____ p wave - blocked