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EKG, Test 1, MSState, Joe/ 155 Qs with Complete Ans/ . What does an EKG tell us? - Answer: the electrical activity of the heart What are the primary functions of the heart? - Answer: -To pump blood throughout lungs and body -Oxygen and nutrient delivery -Removal of waste products -Pulmonary circuit -Systemic circuit What kind of rhythm is generate if the SA node is acting as the pacemaker of the heart? - Answer: Sinus What kind of rhythm is generated if any other part of the hea...