Chapter 9, Problem 5QFS

Nutrient and waste requirements for the developing fetus are handled during the first few weeks by _____. a. the placenta b. diffusion through the endometrium c. the chorion d. the blastocyst

Why should women consider collecting and freezing oocytes for use later in life when they want to have children? What are the risks associated with older women having children?

One of your best friends tells you that she and her husband think she might be pregnant. She feels she can wait until shes several months along before finding an obstetrician. You think she could use some medical advice sooner, and you suggest she discuss her plans with a physician as soon as possible. What kinds of health issues might you be concerned about?

In the fertility awareness method of birth control, a woman gauges her monthly fertile period by monitoring changes in the consistency of her vaginal mucus. What kind of information does such a method provide about the likelihood of getting pregnant?

Which female organ has an endometrial lining that will support a developing baby? a. labia minora b. breast c. ovaries d. uterus

Which hormone is primarily responsible for the contractions during labor? a. oxytocin b. estrogen c. -HCG d. progesterone

Ovulation releases _________. a. the corpus luteum b. a primordial follicle c. a primary oocyte d. a secondary oocyte and first polar body

Figure 43.15 Which of the following statements about hormone regulation of the female reproductive cycle is false? LH and FSH are produced in the pituitary, and estradiol and progesterone are produced in the ovaries. Estradiol and progesterone secreted from the corpus luteum cause the endometrium to thicken. Both progesterone and estradiol are produced by the follicles. Secretion of GnRH by the hypothalamus is inhibited by low levels of estradiol but stimulated by high levels of estradiol.