SEELEY'S ANATOMY+PHYSIOLOGY
12th Edition
ISBN: 9781260172195
Author: VanPutte
Publisher: RENT MCG
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Chapter 28, Problem 1CT
If an adult male were castrated (testes were removed), what would happen to the levels of GnRH, FSH, LH, and testosterone in hisblood? What effect would these hormonal changes have on his sexualcharacteristics and sexual behavior?
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IF A 20-YEAR-OLD MALE WERE CASTRATED, WHAT
WOULD HAPPEN TO THE LEVELS OF GNRH, FSH, LH AND
TESTOSTERONE IN HIS BLOOD? WHAT EFFECT WOULD
THESE HORMONAL CHANGES HAVE ON HIS SEXUAL
CHARACTERISTICS?
If a 9-year-old male were castrated, what would happen to the levelsof GnRH, FSH, LH, and testosterone in his blood? What effect wouldthese hormonal changes have on his sexual characteristics and sexualbehavior as an adult?
If an adult male were castrated (testes were removed), what wouldhappen to the levels of GnRH, FSH, LH, and testosterone in hisblood? What effect would these hormonal changes have on his sexualcharacteristics and sexual behavior?
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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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- 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.arrow_forwardIF THE OVARIES ARE REMOVED FROM A 20-YEAR- OLD WOMAN, WHAT HAPPENS TO THE LEVELS OF GARH, FSH, L, ESTROGEN AND PROGESTERONE IN HER BLOOD? WHAT SIDE EFFECTS DO THESE HORMONAL CHANGES HAVE ON HER SEXUAL CHARACTERISTICS AND BEHAVIOR?arrow_forwardThe most significant source of serum testosterone in the normal woman is: liver production from ovarian estradiol peripheral production from adrenal DHEA ovarian granulose cell production luteal cell productionarrow_forward
- Select the best answer or answers from the choices given: Secondary sex characteristics are (a) present in the embryo, (b) a result of male or female sex hormones increasing in amount at puberty, (c) the testis in the male and the ovary in the female, (d) not subject to withdrawal once established.arrow_forwardThis is secreted by the ovary ( follicle and corpus luteum ), causes proliferation of the endometrium . It is also responsible in developing and maintaining the female reproductive organs and secondary sexual characteristics associated with the adult female Follicular stimulating hormone Progesterone Prostaglandin Estrogenarrow_forwardThe medical community currently recommends that women should NOT use hormone replacement therapies to treat symptoms of menopause is this statement true or false.arrow_forward
- During the follocular phase of the ovarian cycle, what does an increase in estrogen concentrations correlate with? 1-The degradation of a follicle containing an egg(oocyte) 2-The formation of the corpus luteum 3-The maturation of a follicle containing an egg(oocyte) 4- The degradation of teh corpus luteumarrow_forwardDuring the luteal phase, which hormone is present in the blood stream at high levels? Choose all that apply. Progesterone FSH O LH GNRH Estrogenarrow_forwardDescribe in general terms the events that take place in each phase of the menstrual cycle (e.g., flow phase, follicular phase, ovulation, luteal phase).arrow_forward
- Describe the hormonal control of spermatogenesis in terms of the hypothalamic-pituitarygonadal axis (HPG axis) – in this case, the hypothalamic-pituitary-testes axisList the anabolic and androgenic effects of testosteronearrow_forwardFSH (Follicle Stimulating Hormone) E2 (Estrogen/Estradiol) LH (Luteinizing Hormone) PG (Progesterone) OVULATION! PERIOD 14 28 Hormone changes in an average cycle Observe the diagram above. This graph represents the hormone levels during an average menstrual cycle. Answer the following questions. What does the y-axis represent? 2. What does the x-axis represent? (the unit is in days) 3. Notice that each hormone is represented by a specific color. Make a prediction based on observations from the diagram. Which hormone do you think triggers a period (shedding of the lining of the uterus)? Justify your answer. HORMONE LEVELS IIIarrow_forwardFemales secrete Follicle Stimulating Hormone to develop the dominant follicle in ovaries. Since males do not have ovaries, males use testoterone to stimulate leydig cells for spermtogenesis. true falsearrow_forward
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