To extract a higher than normal number of mature oocytes for the process of in vitro fertilization, a woman can be given injections of the hormones Select one: a. estrogen and progesterone b. FSH and LH c. estrogen and LH d. progesterone and FSH
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- What is the difference between in vitro fertilization (IVF)and artificial insemination? Select one: a. IVF involves fertilization outside the body, whereas artificial insemination involves internal fertilization. b. During IVF, gametes are introduced into the womb, whereas during artificial insemination, a blastocyst is implanted on the uterus. c. IVF includes giving the woman additional FSH and LH to induce superovulation, whereas artificial insemination involves a woman undergoing any hormonal treatment. d. Artificial insemination can be used during a surrogacy, whereas IVF cannot.Superovulation is when women take hormones in order to release more eggs for fertilization. Which of the following rows contains hormones that are involved in developing the follicles and releasing them from the ovary, respectively? What could be the unintended consequence of this process? Select one: a. Hormone Unintended Consequence FSH and LH The formation of twins or multiple births b. Hormone Unintended Consequence FSH and LH A tubal ligation c. Hormone Unintended Consequence FSH and LH Scar tissue on the Fallopian tubes d. Hormone Unintended Consequence LH and FSH Ovarian CancerWhich 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
- Birth control pills are oral contraceptives taken by women to prevent pregnancies. The most effective forms of birth control pills contain estrogen and a small amount of progestin (a synthetic hormone that mimics the effects of progesterone). The role of estrogen in the birth control pill is to Select one: a. negatively feedback to the anterior pituitary to suppress the production of GnRH b. reduce the progesterone levels in the blood to limit the endometrium buildup c. suppress the shedding of endometrium, thus preventing menstruation d. prevent a rise in the FSH and LH levels, thereby preventing follicle maturationWhich of the following hormones is not matched correctly to itseffect on the mother? a. peptide hormones—increased resistance to insulin b. progesterone—reduced chances of the mother having an immune reaction to the fetus c. estrogen—increased uterine blood flow d. progesterone—relaxation of smooth muscle and decrease in blood pressure e. All of these are matched correctlyWhich 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
- Untreated chlamydia and gonorrhea can lead to pelvic inflammatory disease in women. Pelvic inflammatory disease (PID) can cause a buildup of scar tissue on the Fallopian tubes.Women affected with PID can become infertile because Select one: a. the ovum cannot be swept into the Fallopian tube b. the ovaries cannot secrete the necessary hormones to support an embryo c. the fertilized egg cannot implant on the endometrium d. sperm is blocked from entering the Fallopian tubes to fertilize the eggThe onset of labour both at term and preterm is associated with a functional withdrawl of progesterone activity at the level of the uterus. One method that can be used to reduce preterm labour is to supplement with synthetic progesterone. Progesterone supplementation may help to prevent preterm delivery by Select one: a. increasing levels of FSH b. decreasing the endometrium c. decreasing levels of estrogen d. calming uterine contractionsWhich of the following is not a mechanism on how contraceptive pills work to prevent pregnancy? A. thinning the endometrium to prevent implantation B. inhibition of follicular development and suppression of ovulation C. progesterone inhibits the sperm from penetrating through the cervix and female upper tract by making the cervical mucus unfriendly D. stimulates the production of high testosterone levels
- A woman taking birth control pills would be expected to have Select one: a. higher than normal FSH and LH levels due to fewer negative feedback messages being sent to the ovaries b. higher than normal FSH and LH levels due to fewer negative feedback messages being sent to the pituitary gland c. lower than normal FSH and LH levels due to more negative feedback messages being sent to the pituitary gland d. lower than normal FSH and LH levels due to more negative feedback messages being sent to the ovariesAccording to the diagram at right, FSH injections to super-stimulate the ovaries will: a. Rescue the subordinate follicles from atresia b. Reverse atresia of subordinate follicles c. Stimulate new waves of follicular growth d. Cause ovulation of atretic follicles what prevents the dominant follicles of Waves 1 and 2 from ovulating? a. follicles are not big enough b. the animal is not in heat c. the high progesterone prevents the LH/FSH surge d. all of the above e. none of the aboveWhich of the following hormones in pregnancy is INCORRECTLY matched with its description? a. Estrogen - promotes growth of the uterus b. Insulin - target cells are slightly less responsive c. GnRH - is at low levels due to negative feedback from estrogen & progesterone d. hCG - promotes cell division within the growing embryo e. Progesterone - prohibits uterine contractions