In the female endocrine system, gonadotropin-releasing hormone (GnRH) is able to modulate two hormones to result in the release of a single ovum . This complex system is vulnerable to disruption with resulting abnormal uterine bleeding and infertility Gonadotropin -releasing hormone () stimulates the release of folliclestimulating hormone in addition to which the following ? Adrenocorticotropic harmone Thyroid - hormone TSH ) Opute peptide Growth hormone (GH) Luteinizing hormone (LH)

In the female endocrine system, gonadotropin-releasing hormone (GnRH) is able to modulate two hormones to result in the release of a single ovum . This complex system is vulnerable to disruption with resulting abnormal uterine bleeding and infertility Gonadotropin -releasing hormone () stimulates the release of folliclestimulating hormone in addition to which the following ? Adrenocorticotropic harmone Thyroid - hormone TSH ) Opute peptide Growth hormone (GH) Luteinizing hormone (LH)

Body Structures & Functions Updated

13th Edition

ISBN:9780357191606

Author:Scott

Publisher:Scott

Chapter21: Reproductive System

Section: Chapter Questions

Problem 4RQ

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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.
Polycystic ovarian syndrome (PCOS) is an endocrine disorder. PCOS may result in irregular periods, elevated levels of male hormones, and enlarged ovaries with fluid filled sacs called cysts.Doctors may prescribe birth control pills containing only progesterone to help regulate periods and reduce symptoms.Progesterone plays an important role in the ovarian and uterine cycles. Describe the functions of progesterone during the cycle (at LEAST 2).
Clomiphene Citrate is a fertility drug that stimulates hypothalamic secretion of Gonadotropin releasing Hormone (GnRH) in females and induces ovulation. Explain how increased GnRH with Clomiphene Citrate treatment would affect follicle maturation and ovulation in women (explain how increased GnRH would affect FSH, LH, Estrogen, and ovulation).
Levels of the Female Reproductive Hormones during the Menstrual Cycle Hormone Day 4 Day 14 Day 21 Estrogen (pg/mL) N/A >100 <60 Progesterone (ng/mL) N/A <1.5 >15 LH (mIU/mL) <7 >15 N/A FSH (mIU/mL) <13 >15 N/A Identify the hormones numbered in the graph above. Number: Answer Answer Answer Answer Hormone: Estrogen Progesterone LH FSH
Polycystic ovarian syndrome (PCOS) is an endocrine disorder. PCOS may result in irregular periods, elevated levels of male hormones, and enlarged ovaries with fluid filled sacs called cysts.Doctors may prescribe birth control pills containing only progesterone to help regulate periods and reduce symptoms.Progesterone plays an important role in the ovarian and uterine cycles. Describe the functions of progesterone during the cycle.
Which of the following is true regarding LH signaling in men? O Stimulates leydig cells to produce testosterone O Stimulates the sertoli cells to increase spermatogenesis O Stimulates the leydig cells to produce inhibin OStimulates the granulosa cells to increase spermatogenesis Stimulates the theca cells to produce testosterone
Unlike male gonadotropins, female gonadotropins are able to promote the development of a single optimal dominant follicle during most cycles with the release of a single gamete from an LH surge and then optimization of the uterine environment for implantation. To understand pathologies in this complex system, one must understand the ideal steps within the normal menstrual cycle. Which of the following statements best describes the role of FSH in menstruation? O FSH induces granulosa cell LH receptors within the dominant follicle. O FSH stimulates follicular growth only in the early preantral stage. ( ) FSH stimulates granulosa cell androgen production. O FSH increases its own receptor numbers on theca cells. O FSH induces theca cell aromatase.
In the anterior pituitary region, do you see multiple cell types in each follicle or does each follicle contain a single cell type? How can you tell each cell type apart from one another? Hint: think about the names and staining.
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 side
Polycystic ovarian syndrome (PCOS) is an endocrine disorder. PCOS may result in irregular periods, elevated levels of male hormones, and enlarged ovaries with fluid filled sacs called cysts.Doctors may prescribe birth control pills containing only progesterone to help regulate periods and reduce symptoms.Progesterone plays an important role in the ovarian and uterine cycles. Describe the levels of progesterone during an average 28-day cycle and explain why these levels occur.
Polycystic ovarian syndrome (PCOS) is an endocrine disorder. PCOS may result in irregular periods, elevated levels of male hormones, and enlarged ovaries with fluid filled sacs called cysts.Doctors may prescribe birth control pills containing only progesterone to help regulate periods and reduce symptoms.Progesterone plays an important role in the ovarian and uterine cycles. Describe the levels of progesterone during an average 28-day cycle and explain why these levels occur. Week Progesterone level and explanation 1 2 3 4
Teratoma in the pituitary gland is a very rare tumor that occurs in children and young adults. Usual symptoms of teratoma are diabetes insipidus, neurological issues, and a reduction in pituitary hormones. Which of the following correctly describes the symptoms of a 10 years old girl with a teratoma tumor in the pituitary gland. Select one: A. Increased levels of ADH and stimulation of the development of secondary sexual characteristics. B. Increased levels of FSH and inhibition of the development of secondary sexual characteristics. C. Decreased levels of ADH and inhibition of the development of secondary sexual characteristics. D. Decreased level of FSH and stimulation of the development of secondary sexual characteristics.