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Fetal circulation: Quiz


Question 1: umbilical cord: Umbilical veinDuctus venosusInferior vena cava________Pulmonary arteryDuctus arteriosusUmbilical artery
Lymphatic systemCirculatory systemHeartTorso

Question 2: The core concept behind fetal circulation is that fetal ________ has a higher affinity for oxygen than does adult hemoglobin, which allows a diffusion of oxygen from the mother's circulatory system to the fetus.
Glycated hemoglobinSerum ironArterial blood gasHemoglobin

Question 3: About half of this enters the fetal ductus venosus and is carried to the inferior vena cava, while the other half enters the ________ proper from the inferior border of the liver.
LiverEndocrine systemImmune systemPancreas

Question 4: The branch of the umbilical vein that supplies the right lobe of the ________ first joins with the portal vein.
Endocrine systemPancreasLiverImmune system

Question 5: Some of the ________ entering the right atrium does not pass directly to the left atrium through the foramen ovale, but enters the right ventricle and is pumped into the pulmonary artery.
BloodRed blood cellPlateletBlood plasma

Question 6: Blood from the placenta is carried to the ________ by the umbilical vein.
Umbilical cordPrenatal developmentEmbryologyFetus

Question 7: The ________ of a human fetus works differently from that of born humans, mainly because the lungs are not in use: the fetus obtains oxygen and nutrients from the mother through the placenta and the umbilical cord.
Myocardial infarctionCirculatory systemFetal circulationHeart


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