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Q: born with a hole in the upper chamber of his heart.Is this something Lisbon should worry about
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What would be the path of blood flow through the heart if the foramen ovale did not close shortly after birth?
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- If the foramen ovale does not fully close after birth, what will happen?Draw the interior view of the heart?Make a drawing of the adult heart and the associated large vessels. Then color and label the adult regions that derive from each embryonic heart chamber: (a) sinus venosus, (b) embryonic atrium, (c) embryonic ventricle, (d) bulbus cordis.
- What chamber walls form the posterior side of the heart?Lisbon was told that her baby was born with a hole in the upper chamber of his heart.Is this something Lisbon should worry about? Explain your answer.In a developing chicken embryo, from which layer of the hypomere is the endocardium and epimyocardium derived? How many ventricles are present at the 72-hour stage?
- Some babies are born with a heart defect in which the ventricles are connected to the wrong arteries—that is, the right ventricle sends blood to the aorta, and the left ventricle sends blood to the pulmonary trunk. What is the problem with this arrangement?What pressure difference between the ventricle and the atrium causes theatrioventricular valve to close?What are the two blood vessels that provide the blood to the heart?
- Why is it so important for the human heart to developearly and begin functioning within the developing embryo?How would you explain the flow of electrical activity through the heart to a 5-year-old?(a) Name the elements of the intrinsic conduction system of the heart in order, beginning with the pacemaker. (b) What is the important function of this conduction system?