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.
Each of the four female reproductive hormones (FSH, LH, estrogen & progesterone) have specific roles or functions to complete to ensure a successful pregnancy. While these hormones may be released at different time during an average 28 day cycle there are key times in the cycle where their release is critical in ensuring a successful pregnancy. Which of the following lists the order of hormonal release from days 0-28 required to support the fertilization and implantation of the ovum? Select one: a. FSH, LH, estrogen, progesterone b. FSH, estrogen, progesterone, LH c. LH, FSH, estrogen, progesterone d. FSH, estrogen, LH, progesterone
Each of the four female reproductive hormones ( FSH, LH, estrogen & progesterone) have specific roles or function to complete to ensure a successful pregnancy. While these hormones may be released at a different time during an average 28-day cycle there are key times in the cycle where their release is critical in ensuring a successful pregnancy. Which of the following list the order of hormonal release from 0-28 requirements to support the fertilization and implantation of the ovum? Select one: A. FSH, estrogen, LH, progesterone. B. FSH, estrogen, progesterone, LH C. LH, FSH, estrogen, progesterone D. FSH, LF, estrogen, progesterone
Teratomas in the pituitary glands are very rare tumours that occur 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-year-old girl with a teratoma tumour in the pituitary gland? Select one: a. Increased levels of ADH and stimulation of the development of secondary sexual characteristics b. Decreased levels of ADH and inhibition of the development of secondary sexual characteristics c. Decreased levels of FSH and stimulation of the development of secondary sexual characteristics d. Increased levels of FSH and inhibition of the development of secondary sexual characteristics
If the ovum is not fertilized, the corpus luteum regresses, and the endometrium sloughs off to result in the first day of menstrual bleeding. The latter event would be duplicated, even if fertilization occurred, if receptors for which of the following hormones were occupied by an antagonist? A) Dehydroepiandrosterone B) Estradiol C ) Estriol D) Estrone E) Progesterone
At the midpoint of the menstrual cycle, estrogen promotes a sudden surge of LH from the pituitary. What would be the consequence of an endocrine disrupting chemical (EDC) in the environment that mimics estrogen and is present throughout the cycle? Group of answer choices pituitary hyperplasia (cell growth) cancer development uterine contractions ovulation would not occur cervical dilation
The primary purpose of gonadotropin-releasing hormone (GnRH) is to stimulate the : Breakdown of the endometrium in the menstrual flow . Development of the woman's breasts for lactation . Secretion of follicle stimulating hormone (FSH) and luteinizing hormone (LH ) from the anterior pituitary gland . Growth of pubic and axillary hair .
Hypogonadism is a condition where the body does not produce enough testosterone. The symptoms of hypogonadism include infertility and a decrease in secondary sex characteristics. There are two types of hypogonadism. Primary hypogonadism is caused by problems stemming from the testicles, and secondary hypogonadism is caused by problems stemming from the hypothalamus or the pituitary gland. Individuals with hypogonadism are often treated with testosterone replacement therapy. What would be the result of testosterone injections in individuals with hypogonadism? Select one: a. GnRH LH Testosterone Decrease Decrease Increase b. GnRH LH Testosterone Decrease Decrease Decrease c. GnRH LH Testosterone Increase Increase Increase d. GnRH LH Testosterone Increase Increase Decrease
hCG, estrogen and progesterone are hormones that are secreted throughout pregnancy. Answer the following questions about these hormones. 1) What structure initially secretes estrogen & progesterone? 2)What structure takes over the role of secreting hCG, estrogen & progesterone in the second and third trimesters?
Luteinizing hormone (LH): Which of the following is correct ? Stimulates testosterone secretion LH surge stimulates ovulation Stimulates gonadotropin-releasing hormone (GnRH) secretion
For each hormone, select whether the hormone is increasing or decreasing at the beginning of parturition. In addition, select the correct effect that the change in hormone secretion causes. Hormone Levels Resulting Effect Increasing Decreasing Causes the endometrial layer to break away from the uterus Causes the endometrial layer to be maintained Increases uterine contractions Decreases uterine contractions Increases milk production in the mother's breasts Decrease milk production in the mother's breasts Hormone Hormone Levels Resulting Effect Estrogen Progesterone Oxytocin Prostaglandins Prolactin
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.