During pregnancy, the structure that joins the developing fetus to the maternal body is called the placenta. The placenta is responsible for creating the connection between fetus and the uterine wall of mother that permits the delivery of nutrients to the baby from mother’s body and also allows the gaseous exchange and excrete out the waste from fetus to mother.

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Chapter 21, Problem 6TY

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During pregnancy, the structure that joins the developing fetus to the maternal body is called the placenta. The placenta is responsible for creating the connection between fetus and the uterine wall of mother that permits the delivery of nutrients to the baby from mother’s body and also allows the gaseous exchange and excrete out the waste from fetus to mother.

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Which of the following statements is incorrect?a. The placenta secretes hormones such as progesterone, hCG, and estrogen.b. Embryonic tissue and maternal tissue forms the placenta.c. The chorion supplies nutrients to the embryo by diffusion.d. The umbilical cord is formed by one artery and two veins

Which row correctly identifies the function and source of hCG, respectively? Select one: a. Function Source Stimulates FSH Anterior pituitary b. Function Source Aids implantation Uterus c. Function Source Maintains corpus luteum Trophoblast and placenta d. Function Source Stimulates estrogen Ovary

During the first trimester, hCG produced from the chorion maintains the corpus luteum. What is the purpose of maintaining the corpus luteum? Select one: a. The corpus luteum produces relaxin, which thickens the endometrium. b. The corpus luteum ensures that the endometrium does not break down during the first trimester. c. The corpus luteum supports the formation of the placenta. d. The chorion forms the fetal part of the placenta, and the corpus luteum supports the maternal part of the placenta.