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chapter 12 (12.1 (The wall between the atria is the... interatrial septum,…
chapter 12
12.1
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The average pressure in the right ventricle is... considerably lower than.. the pressure in the left ventricle
what is the correct order of blood entering from the systemic circulation..... 1. venae cavae 2. right atrium 3. right ventricle 4. pulmonary trunk 5. pulmonary veins 6. left atrium 7. left ventricle 8. aorta
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The three layers of the heart wall are the.... epicardium, myocardium, and endocardium
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Blood flowing from the left atrium to the left ventricle flows through the... bicuspid, left AV, and mitral... valve
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14 steps of blood flow
- superior/inferior vena cava
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- pulmonary semilunar valve
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- right and left pulmonary arteries
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- left and right pulmonary veins
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12.4
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The.... atrial reflex... accelerates the heart rate when the walls of the right atrium are stretched
According to Starlings law of the heart, the cardiac output is directly related to the... venous return
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When the chamber fills with blood and is preparing to begin the next cardiac cycle, that chamber is.... in diastole and repolarizing
12.2
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SA node, AV bundle, AV node, Purkinjie fibers
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If the connection between the SA node and AV node becomes blocked..... the ventricles will beat independently of the atria
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12.2-12.3
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under conditions of hypocalcemia,... cardiac muscle contraction is weak
If the connection between the SA node and AV node becomes blocked the ventricles will beat faster...... the ventricles will beat independintly of the atria