During pregnancy, FSH and LH levels should be: High- progesterone stimulates the release of FSH and LH O High - All hormones are high during pregnancy Low- the high levels of estrogen and progesterone exert a negative feedback effect on LH and FSH Low the pituitary stops functioning during pregnancy
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- Match each hormone with its effect. oxytocin a. growth of facial hair testosterone b. uterus contracts LH c. LH, FSH are released GnRH d. surge causes ovulation FSH e. follicle develops HCG f. milk is produced prolactin g. corpus luteum is maintained_____ production is continuous from puberty onward in males; _____ production is cyclic and intermittent in females. a. Egg; sperm b. Sperm; egg c. Testosterone; sperm d. Estrogen; eggDuring pregnancy, FSH and LH levels should be: High-progesterone stimulates the release of FSH and LH High All hormones are high during pregnancy. Low the high levels of estrogen and progesterone exert a negative feedback effect on LH and FSH Low the pituitary stops functioning during pregnancy
- A woman is in labor. The size of the fetus combined with the contractions of the uterine muscular layer stretches the uterine wall, stimulating stretch receptors in the cervix. Signals from these receptors are conducted through nerves to the hypothalamus/posterior pituitary. The hypothalamus/posterior pituitary releases oxytocin. The oxytocin travels through the blood and stimulates the smooth muscle layer of the uterus. Oxytocin has two effects on the uterine smooth muscle:1. Itdirectlystimulatesthesmoothmuscletocontractmorefrequentlyandmoreforcefully.2. Itcausestheuterinewalltoreleaseprostaglandins,whichincreasethefrequencyandforceofthe contractions even more.These effects push the fetus more forcefully into the cervix, stimulating the stretch receptors further. The receptors send additional impulses to the hypothalamus/posterior pituitary. The increased activation of the hypothalamus/posterior pituitary stimulates release of additional oxytocin, which further stimulates the uterus.…Which pituitary hormone might contribute to multiple births and why? Which pituitary hormone might contribute to multiple births and why? Luteinizing hormone stimulates ovulation. Ovulation of more than one egg cell per cycle can result in the formation of multiple embryos. Follicle-stimulating hormone stimulates follicle maturation allowing more than one egg cell to develop during one cycle. Oxytocin promotes uterine contractions necessary to deliver multiple babies. Prolactin stimulates milk production to support multiple births.Which of the following is the false statement? O All pituitary hormones, including thyroid hormones, are affected by loss of reproductive function O FDA does not approve use of individually compounded bioidentical hormones for treatment of perimenopausal symptoms due to lack of standardization and demonstrated effectiveness After menopause, the vagina becomes more susceptible to infection due to decreases in lactobacilli O The risk of coronary heart disease increases in postmenopausal women and becomes the number one overall killer of women
- Which of the following is/are true with regards to hormones in the reproductive tract? Estrogen secretion is stimulated exclusively by LH. Progesterone is secreted by ovarian follicles & the corpus luteum. Progesterone secretion is stimulated exclusively by FSH. Estrogen is secreted by ovarian follicles & the corpus luteum. All of the aboveWhich of the following is not appropriately associated with its source? ICSH-anterior pituitary O FSH-anterior pituitary testosterone-spermatogonia GnRh-hypothalamus all of the above are appropriately associated with their sourcesWhich of the following hormones is not matched correctly to its effect on the mother?a. peptide hormones—increased resistance to insulinb. progesterone—reduced chances of the mother having an immunereaction to the fetusc. estrogen—increased uterine blood flowd. progesterone—relaxation of smooth muscle and decrease inblood pressuree. All of these are matched correctly
- Identify 1 effect of the hormone Inhibin in pregnancy. Select one: O a. This inhibits the secretion of follicle stimulating hormaone by the anterior pituitary gland - preventing ovulation O b. It is know to mediate the haemodynamic changes that occur during pregnancy such as; increased cardiac output, increased renal flow, increased arterial compliance 0 с. This influences the transamniotic waste transfer from the mother to the fetus sideWhich of the following hormones is not matched correctly to itseffect on the mother?a. peptide hormones—increased resistance to insulinb. progesterone—reduced chances of the mother having animmune reaction to the fetusc. estrogen—increased uterine blood fl owd. progesterone—relaxation of smooth muscle and decrease inblood pressuree. All of these are matched correctly.In the figure which of the following is a tropic hormone; Neurons secreting trophic hormones (Dopamine) PIH Hypothalmus PRH TRH CRH GHIH GNRH GHRH Portal system Anterior pituitary Prolactin TSH ACTH GH FSH LH Endocrine (Gonadotropins) cells To target tissues Thyroid giand Adrenal Endocrine cells of the gonads Liver cortex Thyroid hormones Estrogens, progesterone Cortisol IGFS Androgens Germ cells Many tissues Breast of the gonads O IGFS O Thyroid hormones None of these is correct O Cortisol O TSH Endocrine targets and the hormones they secrete Anterior pituitary hormones Hypothalamic hormones Nonendocrine targets