Question: All Of The Following Events Occur During Late Ventricular Systole Except: The Atria Are Relaxing The Semilunar Valves Are Open The AV Valves Are Closed The Pressure In The Atria Is Greater Than In The Veltricles What Is The Function Of The Ductus Arteriosus? To Shunt Blood Directly From The Right Atrium To The Left Atrium During Fetal Development To …
All of the following events occur during Late VentricularSystole except:
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the atria are relaxing |
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the semilunar valves are open |
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the AV valves are closed |
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the pressure in the atria is greater than in the veltricles |
What is the function of the ductus arteriosus?
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to shunt blood directly from the right atrium to the left atriumduring fetal development |
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to prevent the flow of blood between the right and leftventricles during fetal development |
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to ensure the unidirectional flow of blood through the heartduring fetal development |
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to shunt blood from the pulmonary trunk into the aorta duringfetal development |
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blood pressure is lower in pulmonary circulation than in thesystemic circulation |
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the pulmonary arteries contain more elastic fibers and havewider lumens than systemic arteries |
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2 left and 2 right pulmonary veins bring oxygenated blood backto the left atrium |
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the pulmonary trunk divides into left and right pulmonaryarteries |
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