SEELEY'S ANATOMY+PHYSIOLOGY
12th Edition
ISBN: 9781260172195
Author: VanPutte
Publisher: RENT MCG
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Chapter 28, Problem 24RAC
Summary Introduction
Introduction:
Menses is the period of discharge of blood and other materials from the uterus during menstruation. The menstrual cycle involves the cyclical changes that occur in sexually mature and nonpregnant females.
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The cause of menses in the uterine cycle appears to bea. increased progesterone secretion from the ovary, which producesblood clotting.b. increased estrogen secretion from the ovary, which stimulates themuscles of the uterus to contract.c. decreased progesterone secretion by the ovary.d. decreased production of oxytocin, causing the muscles of the uterusto relax
At the end of the uterine cycle, there is a significant drop in the levels of LH, estrogen, and progesterone.This causes all of the following EXCEPT
a. an increase in smooth muscle contractions of the uterus
b. the maintenance of the corpus luteum to continue producing low levels of progesterone and estrogen
c. the start of menstruation, which breaks down the blood vessels and tissues formed during the follicular stage
d. a negative feedback loop to the pituitary to secrete more FSH and LH
Menopause is characterized primarily bya. primary ovarian failure.b. loss of estrogen secretion from the ovary due to a decrease in LH.c. loss of estrogen secretion from the ovary due to a decrease in FSH.d. a decrease in FSH and LH due to increased inhibin.e. a decrease in FSH and LH due to a decrease in GnRH pulses.
Chapter 28 Solutions
SEELEY'S ANATOMY+PHYSIOLOGY
Ch. 28.1 - What are the functions of the reproductive system?Ch. 28.1 - What functions occur in both moles and females,...Ch. 28.2 - Describe the events of meiosis / and meiosis II....Ch. 28.2 - Prob. 4AYPCh. 28.2 - Prob. 5AYPCh. 28.3 - Prob. 6AYPCh. 28.3 - Describe the structure of the scrotum.Ch. 28.3 - Prob. 8AYPCh. 28.3 - Locate the boundaries of the perineum and the two...Ch. 28.3 - Prob. 10AYP
Ch. 28.3 - Whereare the seminiferous tubules and interstitial...Ch. 28.3 - Prob. 12AYPCh. 28.3 - Prob. 13AYPCh. 28.3 - Prob. 14AYPCh. 28.3 - Prob. 15AYPCh. 28.3 - Prob. 16AYPCh. 28.3 - Where, specifically, are sperm cells produced in...Ch. 28.3 - Prob. 18AYPCh. 28.3 - Prob. 19AYPCh. 28.3 - Prob. 20AYPCh. 28.3 - Prob. 21AYPCh. 28.3 - Prob. 22AYPCh. 28.3 - Prob. 23AYPCh. 28.3 - Prob. 24AYPCh. 28.3 - Prob. 25AYPCh. 28.3 - Prob. 26AYPCh. 28.3 - Prob. 27AYPCh. 28.3 - Describe the structures and locations of the glans...Ch. 28.3 - Prob. 29AYPCh. 28.3 - Prob. 30AYPCh. 28.3 - Prob. 31AYPCh. 28.3 - Prob. 32AYPCh. 28.4 - Where are GnRH, LH, FSH, and inhibin produced?...Ch. 28.4 - Prob. 34AYPCh. 28.4 - Explain the regulation of testosterone secretion.Ch. 28.4 - Prob. 36AYPCh. 28.4 - Prob. 37AYPCh. 28.4 - Prob. 38AYPCh. 28.4 - Describe the processes of erection, emission,...Ch. 28.5 - Prob. 40AYPCh. 28.5 - Prob. 41AYPCh. 28.5 - Prob. 42AYPCh. 28.5 - Prob. 43AYPCh. 28.5 - Prob. 44AYPCh. 28.5 - Prob. 45AYPCh. 28.5 - Describe the process of ovulation.Ch. 28.5 - What is the corpus luteum? What happens to it if...Ch. 28.5 - Prob. 48AYPCh. 28.5 - How are the uterine tubes involved in moving the...Ch. 28.5 - Prob. 50AYPCh. 28.5 - Describe the major ligaments holding the uterus in...Ch. 28.5 - Prob. 52AYPCh. 28.5 - Prob. 53AYPCh. 28.5 - Describe the layers of the vaginal wall. What are...Ch. 28.5 - Prob. 55AYPCh. 28.5 - Prob. 56AYPCh. 28.5 - Prob. 57AYPCh. 28.5 - What is the function of the clitoris and bulb of...Ch. 28.5 - Prob. 59AYPCh. 28.5 - Where are the greater and lesser vestibular glands...Ch. 28.5 - Prob. 61AYPCh. 28.5 - Prob. 62AYPCh. 28.5 - Prob. 63AYPCh. 28.5 - Prob. 64AYPCh. 28.6 - Prob. 65AYPCh. 28.6 - Prob. 66AYPCh. 28.6 - What are the major phases of the ovarian cycle?...Ch. 28.6 - Prob. 68AYPCh. 28.6 - Prob. 69AYPCh. 28.6 - Prob. 70AYPCh. 28.6 - Prob. 71AYPCh. 28.6 - Where is hCG produced, and what effect does it...Ch. 28.6 - Whatare the phases of the uterine cycle?Ch. 28.6 - Prob. 74AYPCh. 28.6 - Prob. 75AYPCh. 28.6 - Prob. 76AYPCh. 28.6 - Prob. 77AYPCh. 28.6 - Prob. 78AYPCh. 28.6 - Prob. 79AYPCh. 28.6 - Prob. 80AYPCh. 28.6 - Prob. 81AYPCh. 28.6 - Prob. 82AYPCh. 28.6 - What causes the changes that lead to menopause?Ch. 28.7 - Prob. 84AYPCh. 28.7 - Prob. 85AYPCh. 28.7 - Prob. 86AYPCh. 28.7 - Prob. 87AYPCh. 28 - During meiosis I Homologous chromosomes synapse....Ch. 28 - Prob. 2RACCh. 28 - Prob. 3RACCh. 28 - The site of spermatogenesis in the male is the a....Ch. 28 - Prob. 5RACCh. 28 - Prob. 6RACCh. 28 - Concerning the penis. the membranous urethra...Ch. 28 - Prob. 8RACCh. 28 - Prob. 9RACCh. 28 - Prob. 10RACCh. 28 - In the male, before puberty a. FSH levels are...Ch. 28 - Prob. 12RACCh. 28 - Prob. 13RACCh. 28 - Prob. 14RACCh. 28 - Prob. 15RACCh. 28 - Prob. 16RACCh. 28 - Prob. 17RACCh. 28 - During sexual excitement, which of these...Ch. 28 - Prob. 19RACCh. 28 - Prob. 20RACCh. 28 - Prob. 21RACCh. 28 - Which of these processes or phases in the monthly...Ch. 28 - Prob. 23RACCh. 28 - Prob. 24RACCh. 28 - Prob. 25RACCh. 28 - Prob. 26RACCh. 28 - Prob. 27RACCh. 28 - If an adult male were castrated (testes were...Ch. 28 - Prob. 2CTCh. 28 - Prob. 3CTCh. 28 - Prob. 4CTCh. 28 - If the ovaries are removed from a 20-year-old...Ch. 28 - Prob. 6CTCh. 28 - Prob. 7CTCh. 28 - GnRH can be used to treat some females who want to...Ch. 28 - Prob. 9CTCh. 28 - Prob. 10CTCh. 28 - Prob. 11CT
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- Which 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 levelsarrow_forwardWhich of the following statements about the menstrual cycle is false? a. Progesterone levels rise during the luteal phase of the ovarian cycle and the secretory phase of the uterine cycle. b. Menstruation occurs just after LH and FSH levels peak. c. Menstruation occurs after progesterone levels drop. d. Estrogen levels rise before ovulation, while progesterone levels rise after.arrow_forwardHow can PID (pelvic inflammatory disease) lead to infertility in women? Select one: a. PID can lead to scar tissue developing on the Fallopian tube. This prevents the egg and the sperm from meeting, causing infertility. b. PID prevents the endometrium from forming. There is not enough material for the fertilized egg to implant itself. c. PID leads to scar tissue on the corpus luteum. This disrupts ovulation. d. PID affects the cervix. This causes the cervix to swell, decreasing the chance a sperm could pass into the uterus.arrow_forward
- In positive mechanism, which of the following will happen if there is an increase production of estrogen in day 12 to 14 of the menstrual cycle? a/The level of released hormones cannot be determined b.There is a decrease release of estrogen in the ovaries c.There is an increase release of estrogen in the ovaries d.There is constant level of estrogen in the ovariearrow_forwardAt the end of the uterine cycle, there is a significant drop in the level of LH, estrogen, and progesterone. This causes all of the following EXCEPT Select one: A. The maintenance of the corpus luteum to continue producing low levels of progesterone and estrogen. B. The start of menstruation, which breaks down the blood vessels and tissues formed during the follicular stage. C. Negative feedback loop to the pituitary to secrete more FSH and LH. D. An increase in smooth muscle contractions of the uterus.arrow_forwardA. There is an increase of FSH at the beginning of the menstrual cycle. What causes it? B. There is a surge in E2 level before the ovulation. What causes it? C. There is a decrease of FSH before the ovulation. What causes it? D. There is a surge of LH and FSH that induces the ovulation. What causes the surge? E. There is a decrease of LH and FSH after ovulation. What causes it? F. There is a decrease in E2 after ovulation. What causes it? G. There is an increase of E2 and P4 a few days after the ovulation. What causes it? H. There is a decrease of E3 and P4 at the end of menstrual cycle. What causes it?arrow_forward
- Which of the following statements is NOT a role of follicle stimulating hormone (FSH) in the male reproductive system? a. It is suppressed by increased levels of testosterone and inhibin. b. It stimulates the Sertoli cells to produce sperm. c. It increases the production of inhibin. d. It stimulates a primary follicle to develop.arrow_forwardAt the end of the uterine cycle, there is a significant drop in the levels of LH, estrogen, and progesterone.This causes all of the following EXCEPT Select one: a. an increase in smooth muscle contractions of the uterus b. the start of menstruation, which breaks down the blood vessels and tissues formed during the follicular stage c. the maintenance of the corpus luteum to continue producing low levels of progesterone and estrogen d. a negative feedback loop to the pituitary to secrete more FSH and LHarrow_forwardWhich of the following undergoes the greatest change during the uterine cycle and which hormone is primarily responsible for this change, respectively? Select one: a. Fallopian tube and estrogen b. Endometrium and estrogen c. Ovary and FSH d. Cervix and progesteronearrow_forward
- One of the roles of follicle-stimulating hormones(FSH) in the female reproductive system is Select one: A. To trigger the thickening of the endometrium in the luteal stage B. To promote menstruation during the follicular stage C. To promote menstruation during the luteal stage D. To trigger the thickening of the endometrium in the follicular stagearrow_forwardHow do tubal ligations and vasectomies prevent further pregnancies? Select one: a. The corpus luteum and the epididymis are suppressed using a chemical swab. The fertilized egg could no longer implant in the endometrium. b. The Fallopian tubes and vas deferens are cut and tied off, thereby preventing the movement of the eggs and sperm. c. The Fallopian tubes and the vas deferens are cut. Eggs and sperm can no longer be produced. d. The Fallopian tube and vas deferens are cut and tied off, thereby reducing needed reproductive hormone levels.arrow_forwardThe follicular phase is initiated bya. secretion of follicule-stimulating hormone.b. secretion of luteinizing hormone.c. secretion of estrogen.d. Two of the abovearrow_forward
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