Hormones and Processes in Maintaining Pregnancy
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Questions and Answers

Which type of nutrition occurs during the pre-implantation stage of pregnancy?

  • Uterine nutrition
  • Haemotrophic nutrition
  • Diffusion nutrition
  • Histiotrophic nutrition (correct)
  • What is the function of the chorion in the development of the placenta?

  • Allows diffusion of nutrients
  • Forms the placenta (correct)
  • Produces hormones
  • Transfers nutrients from mother to fetus
  • When does the transfer of nutrients from maternal blood occur during pregnancy?

  • During blastocyst stage
  • From week 2
  • Post-implantation (correct)
  • Pre-implantation
  • Which cells are responsible for the production of testosterone in males?

    <p>Leydig cells</p> Signup and view all the answers

    What is the role of the SRY gene in sexual development?

    <p>Determines testis development</p> Signup and view all the answers

    Which ducts degenerate in the absence of testosterone?

    <p>Paramesonephric ducts</p> Signup and view all the answers

    What determines the genetic sex of an individual?

    <p>Inheritance of the Y chromosome</p> Signup and view all the answers

    Which layer separates the maternal and fetal blood in the placenta?

    <p>Syncytiotrophoblast</p> Signup and view all the answers

    When does the development of the placenta start?

    <p>Beginning of Week 2</p> Signup and view all the answers

    Which of the following functions is NOT established by the end of Week 12 after fertilization?

    <p>Endocrine function</p> Signup and view all the answers

    What is the role of the placenta in maternal acceptance of the fetus?

    <p>Immunomodulatory role</p> Signup and view all the answers

    Which hormone maintains the functional endometrium and helps develop the breasts during pregnancy?

    <p>Progesterone</p> Signup and view all the answers

    During pregnancy, which hormone enlarges the uterus and later relaxes the pelvic ligaments and pubic symphysis?

    <p>Oestrogen</p> Signup and view all the answers

    Which hormone stimulates cortisol production via the fetal H-P-adrenal axis during pregnancy?

    <p>CRH</p> Signup and view all the answers

    Which hormone decreases glucose metabolism and uses fatty acid metabolism in the mother during pregnancy?

    <p>hCS/hPL</p> Signup and view all the answers

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