1) what does the p wave correspond to? a) Atrial depolarization b) Atrial repolarization c) Ventricular repolarization d) Ventricular depolarization 2) What does the QRS complex correspond to? a) Atrial depolarization b) Atrial repolarization c) Ventricular repolarization d) Ventricular depolarization 3) What does the T wave correspond to? a) Atrial depolarization b) Atrial repolarization c) Ventricular repolarization d) Ventricular depolarization 4) how is sinus rhythm? a) Irregular b) Regular c) Fast d) Slow 5) What is the frequency of sinus rhythm? a) 60-100 b) <60 c) >100 6) What is the rate of sinus bradycardia? a) 60-100 b) <60 c) >100 7) What is the frequency of sinus tachycardia? a) 60-100 b) <60 c) >100 8) Characteristic of first-degree heart block? a) Short PR interval b) absence of P wave c) absence of T wave d) Prolonged PR interval 9) Characteristics of mobitz type I AV block? a) Progressive lengthening of the PR interval b) absence of P wave c) absence of T wave d) Prolonged PR interval 10) Characteristics of mobitz type II AV block? a) Intermittent dropped QRS with no pattern b) absence of P wave c) absence of T wave d) Prolonged PR interval 11) Characteristics of third-degree block? a) no relationship between p and QRS waves b) absence of P wave c) absence of T wave d) Prolonged PR interval 12) Which block can progress to complete heart block? a) mobitz block type I b) mobitz block type II c) third degree block 13) Which block is often referred to as complete block? a) mobitz block type I b) mobitz block type II c) third degree block 14) Characteristic of a supraventricular tachycardia? a) wide QRS complexes b) no QRS complexes c) slow rhythm d) narrow QRS complexes 15) Characteristics of atrial fibrillation? a) No waves before the QRS complex b) irregular heart rate c) regular heart rate 16) What do atrial flutter waves look like? a) sharp t waves b) flat line c) any ECG rhythm d) sawtooth 17) What does the asystole wave look like? a) sharp t waves b) flat line c) any ECG rhythm d) sawtooth 18) What does pulseless electrical activity look like? a) sharp t waves b) flat line c) any ECG rhythm d) sawtooth 19) characteristic of ventricular tachycardia? a) wide QRS complexes b) chaotic rhythm and absence of pulse c) slow rhythm d) narrow QRS complexes 20) characteristic of ventricular fibrillation? a) wide QRS complexes b) chaotic rhythm and absence of pulse c) slow rhythm d) narrow QRS complexes

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