1) The primary causa of VF is ________ to the heart muscle, whinch causes hyperirritability in the cardíac muscle. a) Hypoxia b) Ischemia c) Hypothermia d) Hypothencion 2) What type of AV block is present? a) Second-Degree AV Heart Block b) Third-Degree Heart Block c) First-Degree Heart Block d) Sinus Tachycardia 3) Atrial flutter is a ___________that is characterized by a “saw-toothed” flutter appearance on the ECG that represents multiple P waves for each QRS complex. a) sinus rhythm b) Ventricular fibrillation c) Ventricular tachycardia d) supraventricular arrhythmia 4) Sinus Bradycardia is a sinus Rhythm with a rate less than _____________in an adult. a) 60 per minute b) 50 per minute c) 35 per minute  d) 10 per minute  5) what is the underlying Rhythm?  a) Supraventricular Tachycardia b) Asystole c) Ventricular Fibrillation d) Sinus Tachycardia 6) The T wave corresponde to a ______________of the ventricles. a) repolarization b) depolarization c) Electrical Impulse d) flat line 7) what is the underlying Rhythm?  a) Sinus Rhythm b) Sinus Bradycardia c) Sinus Tachycardia d) Atrial Fibrillation 8) What type of AV block is present? a) First-Degree Heart Block b) Second-Degree AV Heart Block c) Third-Degree Heart Block d) Supraventricular Tachycardia 9) What is the diagnosis ?  a) Wolff Parkinson  b) Torsades de pointes c) Atrial Flutter  d) Bradycardia 10) Atrial Flutter has an atrial rate  a) Between 60 and 100 b) Between 40 and 60  c) Between 100 and 150 d) Between 250 and 350

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