*NURSING > AQA QUESTION and MARK SCHEMES > Cedar Crest College ( NUR 320 ) UPDATED Assessment FOR A+ (All)

Cedar Crest College ( NUR 320 ) UPDATED Assessment FOR A+

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. Blood transport through fetal circulation i. Blood enters the right atrium ii. Blood then passes into the left ventricle and then to the aorta iii. From the aorta, the blood returns to the right ... atrium of the heart through the superior vena cava. About two thirds of the blood will pass through the foramen ovale as described above, but the remaining one third will pass into the right ventricle, toward the lungs. iv. small amount of the blood continues on to the lungs. Most of this blood is bypassed or shunted away from the lungs through the ductus arteriosus to the aorta v. This blood then enters the umbilical arteries and flows into the placenta. In the placenta, carbon dioxide and waste products are released into the mother's circulatory system, and oxygen and nutrients from the mother's blood are released into the fetus' blood. c. Why does the fetus have a low PO2 i. Important to maintain fetal circulation, to keep shunts open ii. Ductus venosus- bypasses liver and enters inferior vena cava iii. Foramen Ovale- R and L atria to supply blood to head, upper and lower extremities iv. Ductus Arteriosus- returning blood bypasses lungs d. Time the fetus most vulnerable to teratogens i. First 8 weeks e. TORCH i. What are the components of TORCH 1. Toxoplasmosis, Other-hep B/syphilis/HIV, Rubella, C [Show More]

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