1) A patient has the rhythm shown below continuation.How would you interpretet this rhythm? a) Normal sinus rhythm. b) Sinus arrhythmia. c) Sinus bradycardia 2) A patient with a low magnesium value presents the next arrhythmia.You interpret the arrhythmia as: a) Monomorphic ventricular tachycardia b) Ventricular fibrillation c) polymorphic ventricular tachycardia 3) What does the rhythm shown below reflect? a) First degree AV block. b) Sinus tachycardia c) Ectopic tachycardia 4) What does the rhythm shown below reflect? a) Pacemaker hypersensitivity b) Capture failure c) Failure to set the rhythm. 5) What does the horizontal axis of an ECG represent? a) The amplitude. b) Time c) The electrical voltage 6) identify the rhythm a) second degree AV block b) ventricular tachycardia c) sinus bradycardia 7) which condition is an indication to stop or withhold resuscitative efforts? a) sfety treat to providers  b) unwitnessed arrest c) patient age grater than 85 years 8) a patient remains in ventricular fibrillation despite 1 shock and 2 minutes of continuos CPR. the next intervention is to a) administer amiodarone  b) administer a second shock c) administer epinephrine  9) what is the recommended compression rate for performing CPR? a) 60 to 80 per minute b) 80 to 100 per minute c) at least 100 per minute 10) After verifying unresponsiveness and abnormal breathing, you activate the emergency response team. what is your next action? a) deliver 2 rescue breaths b) check for a pulse  c) administer a precordial thump

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