Heart External Anatomy 100- In what cavity is the heart found? Mediastinum 200- What is the name for the outermost membrane that the heart is found in? Fibrous pericardium 300- Where is the serous fluid found that helps decrease friction as the heart beats? Pericardial cavity 400- What is another name for the visceral pericardium? Epicardium 500- What are the 3 layers of the heart wall from outside to inside? Epicardium, myocardium and endocardium Heart Internal Anatomy 100- What are the 4 chambers of the heart? Right and left atrium, right and left ventricle 200- Which ventricle will be full of oxygenated blood? Left 300- What is the name of the wall that separates the ventricles? septum 400- What are the semilunar valves? Pulmonary and aortic 500- Which valves are attached to chordae tendinae? Tricuspid and Bicuspid Heart Function 100- Which side of the heart pumps blood to the lungs to become oxygenated? Right 200- What is the name for the blood vessels which bring deoxygenated blood into the heart? Superior and Inferior Vena Cava 300- What causes the Lub sound of a heart beat? Closing of A-V valves 400- When the atrium is in systole what is happening in the ventricles? Diastole 500- List the order in which blood passes through the valves of the heart: Tricuspid, pulmonary, bicuspid and aortic EKG and Blood Pressure 100- What does ECG or EKG stand for? Electrocardiogram 200- Which wave on an EKG represents the contraction of the ventricles? QRS complex 300- What is the name of the piece of equipment used to measure BP? Sphygmomanometer 400- What is the equation for determining cardiac output? CO- Stroke volume x Heart Rate 500- What are 2 factors that affect blood pressure? Blood volume, peripheral resistance and viscosity Blood Vessels 100- Which blood vessels are carrying blood away from the heart? Arteries 200- What are the smallest blood vessels called? Capillaries 300- What is one characteristic unique to veins? Thinner tunica media and valves to prevent backflow 400- What is the outermost layer of blood vessels called? Tunica externa 500- Which layer of blood vessels contains smooth muscle? Tunica media