7-17 heart
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| What innervates the diaphragm and pericardial sac? | Phrenic nerve
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| What is buildup of the fluid in the pericardial sac? | Tamponade
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| What does the ligamentum arteriosum? | Connects aortic arch and pulmonary trunk; bypasses lungs
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| What artery and vein supply the percardium? | Pericardiophrenic artery and vein
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| What is most of the anterior heart made of? | Right ventricle
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| What is most of the posterior heart made of? | Left atrium
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| What is the fossa ovale? | Between atria; closes at birth
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| What kind of blood goes into the right atrium? | Deoxygenated
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| What are the muscle fibers in the atrium? | Pectinate muscles
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| What is the wall between the atrium? | Interatrial septum
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| Where do the pectinate muscles originate? | Crista terminalis
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| What three vessels flow into the right atrium? | Superior vena cava, inferior vena cava, opening of coronary sinus
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| Where is the right AV valve/tricuspid value located? | Between the right atrium and ventricle
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| What muscle attaches to the chordea tendineae? | Papilllary muscle
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| What muscle prevents the valves from closing too far? | Papillary muscle
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| What connected the papillary muscles with the interventricular septum? | Moderator band
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| What ventricle is the moderator band in? | Right
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| What valve goes from right ventricle to the pulmonary trunk? | Pulmonary valve
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| What type of blood flows into the left atrium? | Oxygenated
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| What vessels bring blood to the left atrium? | Pulmonary veins
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| Where are the pectinate muscles in the left atrium? | Left auricle
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| What valve is between the left atrium and ventricle? | Left AV valve/Bicuspid/Mitral
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| How many papillary muscles are there on the left AV valve? | 2
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| Why is the left ventricle bigger than the right? | Ejects blood to the rest of the body
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| Where does blood go after it leaves the left ventricle via the aortic valvue? | Ascending aorta
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| What is the pacemaker of the heart? | SA node
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| Where does the impulse from the SA node go? | To both atria
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| What does the p wave represent? | Atrial depolarization
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| What does the QRS complex represent? | Ventricular depolarization, atrial repolarization
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| What does the t wave represent? | Ventricular repolarization
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| What is referred pain? | Heart doesn't feel pain or temperature
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| What nerve is affected by referred pain? | Ulnar nerve
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