Human Anatomy Quiz 20: Valves & Pathway of Blood
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Last updated 7:57 PM on 4/15/23
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23 Terms
1
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deoxygenated
What kind of blood does the right atrium receive? (deoxygenated or oxygenated?)
2
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three, superior vena cava, inferior vena cava, coronary sinus
How many veins does the right atrium receive deoxygenated blood from? What are these veins?
3
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muscular ridges, pectinate muscles
What does the wall of the atrium have? What are these called?
4
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fossa ovalis, foramen ovalis, fetal heart
What does the right atrium have? What is this a remnant of? In where?
5
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atrioventricular valve, tricuspid valve
What does blood pass to the right ventricle through? What is another name for this?
6
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muscular ridges, chordae tendinae
What does the inside of the right ventricle contain? (2 things)
7
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anchors the flaps of the tricuspid valves
What is the function of the chordae tendinae?
8
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pulmonary valve, pulmonary trunk, right and left pulmonary arteries
Where does blood leave the right ventricle through? Where does the blood go into after? What does this split into?
9
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oxygenated
What kind of blood does the left atrium receive? (deoxygenated or oxygenated?)
10
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lungs, pulmonary veins
Where does the left atrium receive blood from? By?
11
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true
True or False: the left atrium is similar in structure to the right atrium
12
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left atrioventricular valve, bicuspid or mitral valve
What does blood pass to left ventricle through? What is this also known as?
13
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apex of heart
What does the left ventricle form?
14
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myocardium in left ventricle is thicker
Though the left ventricle is similar in structure to the right ventricle, what is a key difference?
15
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aortic valve, ascending aorta
Where does blood leave the left ventricle through? Into?
16
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heart tissue, coronary arteries
Where does some of the blood from the ascending aorta supply? By?
17
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arch of aorta, descending aorta, supply the body
Where does the rest of the blood from the left ventricle go into? (2 things) Why?
18
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ascending aorta
Where do coronary arteries branch off of?
19
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atrioventricular valves, ventricles
When the atria contracts, where is blood forced through? Into?
20
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the cusps of the atrioventricular valves, the tension from the chordae tendinae keeps the cusps from being forced open the wrong way
When the ventricles contract, what is forced upward? What is the role of the chordae tendinae?
21
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three crescent moon shaped cusps, semilunar valves
What are the aortic and pulmonary valves made of? What are these also known as?
22
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they are forced open
What happens to the cusps/semilunar valves when the ventricles contract?
23
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blood starts to flow backward, the valve cusps, they close tightly
What happens to the blood when the ventricle relaxes? What does the blood fill up? What happens to these once filled?
