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5 Written questions

5 Multiple choice questions

  1. cavity within thoracic cavity Between 2nd and 6th rib - size - approx size of your fist
  2. Heart if covered by a protective sac called the pericardium - filled with serous fluid
  3. contraction phase of the cardiac cycle ( squeeezing blood out )
  4. relaxation phase of the cardiac cycle
  5. tricuspid valve

5 True/False questions

  1. Bundle of HisFrom the AV Node, the impules travel along the artioventicular bundle, aka bundle of his - this then stimulates the Purkinje fibers - this cause the ventricles to contract together

          

  2. Componets of Cardiac Conduction Systemcavity within thoracic cavity Between 2nd and 6th rib - size - approx size of your fist

          

  3. Sinoatrial Node / SA Node -AKA Pacemaker, located posterior wall of right atrium, rhythmically initiates impulses causing the atria to contract at the same time

          

  4. Semilunar Valvesvalves that lead blood out of the heart

          

  5. LayersOuter Most Layer - Epicardium, Middle Layer - Myocardium, muscle layer, thickest layer - Inner Layer Endocardium -smooth and seamless

          

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