NSPN 7100 Final Study online at four hormones does the pla-centa produce and how do they function?Human Chorionic Gonadotrophin hCG: preserve function of the corpeus luteum ensuring a continuous supply of estrogen and progesteroneHuman Placental Lactogen

NSPN 7100 Final Study online at https://quizlet.com/_e48ofx1.What four hormones does the pla-centa produce and how do they function?Human Chorionic Gonadotrophin (hCG): preserve function of the corpeus luteum ensuring a continuous supply of estrogen and progesteroneHuman Placental Lactogen (hPL): stimulates maternal metabolism, facilitates glucose transport across pla-centaUtS'0IaFf1tSnsPilSat1PSa'nFa1I'0äSW1lF 1Hi00 1(0äv1proliferation of breast tissueProgesterone: maintains endometrium, decreases contractility of uterus, stimulates development of breast alveoli2.When does the embryo's heart start beating, and when is the pla-centa structurally complete?heart beat by Day 17, structurally complete by ~12 weeks3.What are the four metabolic func-tions of the placenta?Respiration, Nutrition, Excretion, Storage4.Describe the fetal and maternal sides of the placentaFetal side: smooth, shiny, formed by the chorionMaternal side: red, rough textured, formed by decidua basalis5.Does the placenta act as a "barri-er" that stops harmful substances from getting to the fetus?no, acts as a sieve, many viruses and drugs can still pass6.If a pregnant woman's blood circu-lation is compromised, what is the lying on left side1 / 25 1 / 3

NSPN 7100 Final Study online at https://quizlet.com/_e48ofxbest position to ensure maximum Ca//_dL/xds/dspcd4aefciseH7.How many arteries and veins does the umbilical cord have and what do they do?one vein, two arteriesVEIN: Transports oxygenated blood to fetus from pla-centaArteries: Transport waste and CO2 from fetus to placen-ta8.What is the name of the substance in the cord that prevents compres-sion of the blood vessels?whartons jelly9.What are the names of the two fe-tal membranes and which are the inner and outer layers?outer: chorioninner: amnion10.Name four functions of the amni-/slfdLql_-1. Maintain constant temperature2. cushion fetus3. protection from infection4. Allows movement of fetus11.What is the age of viability thresh-old22-25 weeks12.Using Nägele's rule estimate the date of delivery (EDD) for the fol-lowing:LMP - January 10th, 2010October 17th, 201013.2 / 25 2 / 3

NSPN 7100 Final Study online at https://quizlet.com/_e48ofxExplain what is meant by the ex-pression "the fetus exists in a state of relative hypoxemia."low fetal pO2 which would cause tissue hypoxia but in utero O2 requirements are low, lungs are hypoper-fused14.hpesdcNcfsmd_/cmdspcda/xd:csead4FRdhave on the pulmonary vessels and the ductus arteriosus?low pO2 keeps ductus arteriosus patent, it leads to pulmonary vasoconstriction and causes dilation of PDA this increases pulmonary vascular resistance and right to left shunting15.Which side of the heart is pumping against higher pressure in fetal cir-culation2nIWS1"aFS'neia1HaelPta1nS1nt1hPshnFI1Hi00 1S01SWa1(Pn 1Yiia 1iPFIt1äWneW1l'a1WnIW1'atntSaFea16.Explain which direction blood will L/xdspz/qGpdspcd:/ze.cid/,eacdand the ductus arteriosus.right to left, path of least resistence17.Explain how the pressure gradient ei_dspcd_lzcfsl/id/:dL/xdspz/qGpdthe foramen ovale and the duc-tus arteriosus would enable the brain and heart to receive the most well-oxygenated blood in the fetal circulation.oxygenated blood in aorta has direct path to brain and heart18.if IUGR was suspected in preg-nancy, what maternal assessment used to assess growth, would be less than expected?Symphysis Fundal Height would be measuring less than expected ex; at 25 weeks measuring 22 weeks19.What are three positive signs of pregnancy?fetal heart heard, ultrasound, palpating movement3 / 25

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