N130 OLOL Exam 2 Cardiovascular 1
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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| The heart is An electrical system | Conduction
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| The heart is A plumbing system | Arteries and blood flow
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| The heart is Mechanical | Contraction
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| What does the normal heart weigh? | 10.6 ounces
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| Where does the heart lie? | In the center of the thorax ( between the lungs)
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| The right atrium and right ventricular are located where in the heart? | Anterior
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| Where is the right ventricle located? | Just behind the xyphoid process
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| Where is the point of maximal intensity? | b/w the 5th and 6th intercostals space, where one can hear the strongest heart sounds
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| What is the apex of the heart? | Point of maximal intensity
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| Where can one hear the strongest heart sounds? | At the point of maximal intensity, aka, the apex of the heart
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| What are the three layers of the heart? | Inner layer, middle layer, and epicardium ( exterior layer)
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| What is the inner layer of the heart called? | The endocardium
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| What does the endocardium consist of? | endothelial tissue
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| Where is the endocardium loacted? | It lines the inside of the heart and valves
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| What is the middle layer of the heart called? | myocardium
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| What does the myocardium consist of? | muscle fibers
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| What is the myocardium responsible for? | The pumping action
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| What is the exterior layer of the heart? | epicardium
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| What encases the heart? | The pericardium
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| What are the two layers of the Pericardium? | Visceral pericardium and parietal pericardium
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