For Questions 8–13, write the letter of the correct answer on the line at the left. The contractions of labor before childbirth are triggered by 8. A. the amniotic fluid. B. the hormone oxytocin. C. the umbilical cord. D. the uterine wall. 9. The term refers to the “afterbirth” A. amnion and the chorion. B. clamping of the umbilical cord. C. placenta and amniotic sac. D. production of milk for the baby. 10. What is a belly button? A. a structure with an unknown purpose B. a scar left from the umbilical cord C. remains of the notochord D. the point where implantation occurred 11. Which hormone causes the mother’s breast tissue to begin producing milk? A. estrogen B. oxytocin C. progesterone D. prolactin 12. Using alcohol during pregnancy can harm a developing embryo, especially its A. reproductive system. B. circulatory system. C. endocrine system. D. nervous system. 13. Which public health measure has decreased the incidence of spina bifida? A. the addition of folic acid to grain products B. the development of new types of baby formula C. the programs at reducing smoking and alcohol use D. the use of a vaccine that prevents German measles 14. Women with Type 1 diabetes may face challenges controlling blood sugar levels during pregnacy. Early in pregnancy, the developing fetus removes glucose from the mother’s blood at a great rate. Would this raise or lower her need for insulin?
For Questions 8–13, write the letter of the correct answer on the line at the left. 8. The contractions of labor before childbirth are triggered by A. the amniotic fluid. B. the hormone oxytocin. C. the umbilical cord. D. the uterine wall. 9. The term “afterbirth” refers to the A. amnion and the chorion. B. clamping of the umbilical cord. C. placenta and amniotic sac. D. production of milk for the baby. 10. What is a belly button? A. a structure with an unknown purpose B. a scar left from the umbilical cord C. remains of the notochord D. the point where implantation occurred 11. Which hormone causes the mother’s breast tissue to begin producing milk? A. estrogen B. oxytocin C. progesterone D. prolactin 12. Using alcohol during pregnancy can harm a developing embryo, especially its A. reproductive system. B. circulatory system. C. endocrine system. D. nervous system. 13. Which public health measure has decreased the incidence of spina bifida? A. the addition of folic acid to grain products B. the development of new types of baby formula C. the programs at reducing smoking and alcohol use D. the use of a vaccine that prevents German measles 14. Women with Type 1 diabetes may face challenges controlling blood sugar levels during pregnacy. Early in pregnancy, the developing fetus removes glucose from the mother’s blood at a great rate. Would this raise or lower her need for insulin?
reproductive_system_worksheet.docx