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