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PII ECG test 2

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
show At diaphragm (bottom of the heart)  
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show Top of Heart at level of the second-third rib  
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Perietal Pericardium   show
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Visceral Pericardium   show
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show Heart is squeezed by fluid in potential space between perietal and visceral layer  
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show Smooth outer surface contiguuous with visceral pericardium  
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Myocardium   show
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Endocardium   show
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show Mitral and Tricupsid  
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show Aortic and Pulmonary  
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show Valve between the right atria and right ventrical  
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show Valve between the left atria and left ventrical  
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Chordae Tendonae   show
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PVC's   show
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Cause of PVC   show
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show Stiffening of semi-lunar valves. Valve sticks open  
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show Contraction of the ventricles, AV valves are closed, semilunar valves are open. Ventricles are emptying  
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Ventricular Diastole   show
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Layers of vein from outside to inside   show
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show veins, venule and capillaries  
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Arterial system   show
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show Generation and conduction of electrical impulses  
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"All or None" Phenomenon   show
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show "All or None" phenomenon, cardiac muscle cell groups that are connected together and function as a unit  
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Properties of cardiac cells   show
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show Ability of cardiac pacemaker cells to spontaneously generate own electrical impulses without external stimulation  
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show Ability of cardiac cells to respond to electrical stimulus is also referred to as irritability  
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show ability of cardiac cells to receive an electrical stimulus and then to transmit it to other cells, so they function collectively. (sends through electrical circuit)  
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show the ability of cardiac cells to shorten and cause cardiac muscle contraction in resonse to an electrical stimulus  
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Electrolyte   show
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show Potassium (K+), Sodium (NA), Calcium (CA)  
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Potassium (K+)   show
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Sodium (NA)   show
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Calcium (CA)   show
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Location of potassium ion   show
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show concentration greater ouside cell  
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show active transport, potassium / sodium moved in and out of cell through cell membrane  
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show sodium ions rush into cell through fast channel, changing interior charge to + after cell stimulated  
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show sodium ions return to outside of cell, potassium returns to inside of cell  
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show Recovery stage - inside negative, outside positive  
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Action Potential   show
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Refractory period   show
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show cardiac cell unable to respond to new electrical stimulus, cannot spontaneously depolarize  
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The most amazing man you have ever met   show
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Relative Refractory Period   show
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Sinoatrial Node   show
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Bachman's bundle   show
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show SA Node, Internodal Atrial Pathways, Bachman's Bundle, AV Junction, AV Node, Bundle of His, Left and Right Bundle Branches, Purkinje Fibers  
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show slows impulse  
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show Secondary Pacemaker, slows impulse  
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Bundle of His   show
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Bundle Branches   show
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show Causes contraction of ventricle  
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show 60 - 100 beats per min  
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Internodal pathways   show
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show 40-60 beats per min  
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show 20 -40 beats per min  
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show closed  
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show open  
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show amount of blood pumped out of the ventricle in 1 beat  
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show Amount of blood available to the heart to pump  
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show the amount of blood the heart has to pump against to empty.  
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Cardiac Cycle   show
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show simultaneous contraction of the ventricles  
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show synonymous with ventricular relaxation -ventricles fill with 70% of blood passively from atria  
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Starling's Law   show
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show amount of opposition to blood flow offered by arterioles  
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Alpha receptors   show
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Beta receptors   show
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SNS neurotransmitter   show
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show Acetocholine  
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show sympathetic nerve fibers  
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Cholinergic   show
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