Match the component of the EKG to the events occurring in the heart. Each answer

Match the component of the EKG to the events occurring in the heart. Each answer will be used once. Group of answer choices P wave [ Choose ] Ventricular repolarization Length of one heartbeat Ventricular depolarization Atrial depolarization QRS complex [ Choose ] Ventricular repolarization Length of one heartbeat Ventricular depolarization Atrial depolarization T wave [ Choose ] Ventricular repolarization Length of one heartbeat Ventricular depolarization Atrial depolarization RR interval [ Choose ] Ventricular repolarization Length of one heartbeat Ventricular depolarization Atrial depolarization Flag question: Question 2Question 24 pts What is the function of the SA node? Group of answer choices Acts as the gatekeeper, delays the signal Acts as the natural pacemaker, creating the heartbeat Carries the signal into the septum Carries the signal to the myocytes Flag question: Question 3Question 34 pts What is the function of the AV node? Group of answer choices Acts as the gatekeeper to the ventricles, delays the signal Acts as the natural pacemaker, creating the heartbeat Carries the signal into the septum Carries the signal to the myocytes Flag question: Question 4Question 420 pts Name each component of the cardiac conduction system in the correct order. If using an abbreviation, enter it using the appropriate capitalization. Please enter all other answers in all lowercase letters. The signal starts at the , a structure located in the right atrium. The next structure encountered is the , located at the junction of the right atrium and right ventricle. The signal then travels to the which splits to form the right and left . The last part of the conduction system are the (Watch your spelling!). Flag question: Question 5Question 520 pts Match the inherent rate created by each structure in the cardiac conduction system to the structure. Group of answer choices AV node [ Choose ] 60-100 bpm 20-40 bpm 40-60 bpm Bundle branches [ Choose ] 60-100 bpm 20-40 bpm 40-60 bpm Bundle of His [ Choose ] 60-100 bpm 20-40 bpm 40-60 bpm SA node [ Choose ] 60-100 bpm 20-40 bpm 40-60 bpm Purkinje fibers [ Choose ] 60-100 bpm 20-40 bpm 40-60 bpm Flag question: Question 6Question 612 pts Please enter your answers using the number keys (i.e. “1” not “one”). There are small boxes in a big box. Each small box represents seconds. Each big box represents seconds. Flag question: Question 7Question 74 pts When identifying and examining the P wave, you are looking for it to be Group of answer choices Absent Present and downward Present and upright Shorter than 0.2 seconds Flag question: Question 8Question 84 pts The normal length of a PR interval is Group of answer choices 0.06 – 0.12 seconds 0.12 – 0.2 seconds 0.2 – 0.4 seconds 0.4 – 0.6 seconds Flag question: Question 9Question 94 pts The normal length of a QRS complex is: Group of answer choices 0.06 – 0.12 seconds 0.12 – 0.2 seconds 0.2 – 0.4 seconds 0.6 – 0.6 seconds Flag question: Question 10Question 104 pts What indicates that a rhythm is regular? Group of answer choices Even distance between two consecutive R waves Even distance between two consecutive P waves Even distance between a P wave and the QRS complex Even high of two consecutive R waves Flag question: Question 11Question 114 pts Which method of calculating heart rate can be used with a 6 second EKG strip? Group of answer choices Count the number of R waves and multiply by 6 Count the number of R waves and multiply by 10 Count the number of R waves and divide by 6 Count the number of R waves and divide by 10 Flag question: Question 12Question 124 pts Another method to calculate heart rate is to Group of answer choices Divide 30 by the number of big boxes between two R waves Divide 300 by the number of big boxes between two R waves Divide 3,000 by the number of big boxes between two R waves Divide 30,000 by the number of big boxes between two R waves

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