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- 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 of the following statements about oocytes and ovulation is correct? a. The production of primary oocytes continues in women from the onset of puberty until the onset of menopause. b. Meiotic divisions are complete at the time of ovulation. c. At ovulation, the structure released from the follicle includes a secondary oocyte and polar body. d. All of these statements are correctWhich row correctly identifies the function and a source of hCG, respectively? Select one: A. Function Source Stimulate Estrogen Ovary B. Function Source Stimulate FSH Anterior Pituitary C. Function Source Aid Implantation Uterus D. Function Source Maintains Corpus Luteum Trophoblast and Placenta
- Which of the following is required for successful fetal development after the egg has been fertilized? a) That the corpus luteum remains throughout the pregnancy b) Production of estrogen (estradiol) and progesterone from the placenta c) Release of hCG (human chorionic gonatotropin) from the placentaThe birth starts thanks to increased ... a) ... stretching of the uterine muscles. b) ... release of oxytocin. c) ... release of glucocorticoids from the fetus. d) ... release of estrogen from the placenta.The presence of human chorionic gonadotropin (HCG) A. Indicates pregnancyB. Indicates implantationC. Is the basis of a (+) pregnancy testD. A, BE. A, B, C
- In general, the greatest vulnerability to teratogens occurs during: Group of answer choices the last part of the fetal period of prenatal development. A the embryonic period of prenatal development. B the zygotic period of prenatal development. C the germinal period of prenatal development. DAll of the following changes take place during the last trimester of pregnancy EXCEPT- a, the cerebral cortex develops b. the baby reaches the age of viability c. the fetus gains weight d. the blastocyst implants to the lining of the uterusDescribe the developmental changes in the fertilised ovum until implantation occurs in the uterus.
- Which of the following correctly describes the results of andropause? Select one: A. Lower sperm count and increased rate of testicular cancer. B. Increased estrogen levels and decrease testosterone levels. C. Decreased fertility and increased testosterone levels. D. Reduction of muscle and bone mass and lower sperm count.a) Describe the process of neuralation. b) Identify the germ layer from which the nervous system forms. c) Describe when in development neuralation occurs. d) Identify a teratogen that could affect the development of the brain during this stage of pregnancy.Which of the following represents a common metabolic or physiological change that occurs in pregnancy? Question 21 options: a) An increase in urine production b) An increase in respiratory rate c) An increase in blood pressure d) A decrease in thyroid function