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Placentation quiz

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  • Which function is not performed by the placenta?
    Blood cell production
  • What hormones does the placenta produce?
    It produces hormones like HCG and estrogen
  • What is the function of the placenta? Check all that apply. a) Nutrient exchange b) Hormone production c) Blood cell production d) Waste removal
    a) Nutrient exchange, b) Hormone production, d) Waste removal
  • What is the role of chorionic villi in the placenta?
    Chorionic villi are projections that facilitate nutrient, gas, and waste exchange between the mother and the conceptus.
  • At what stage of pregnancy is the placenta fully formed?
    The placenta is fully formed by week 12 of pregnancy.
  • What is the maternal portion of the placenta derived from?
    The maternal portion of the placenta is derived from the endometrium beneath the embryo.
  • What hormone does the placenta begin producing almost immediately after conception?
    The placenta begins producing HCG almost immediately after conception.
  • What is the significance of lacunae in placentation?
    Lacunae are pools of maternal blood within the endometrium that facilitate exchange between the mother and the conceptus.
  • What is the function of the extraembryonic mesoderm in placentation?
    The extraembryonic mesoderm contributes to the formation of the chorion, which supports the development of the placenta.