Biology: Science for Life with Physiology (5th Edition)
5th Edition
ISBN: 9780321922212
Author: Colleen Belk, Virginia Borden Maier
Publisher: PEARSON
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Chapter 22, Problem 8LTB
Summary Introduction
Introduction:
The ovulation is a phenomenon, in which the oocyte is released from the ovary to the fallopian tube. This is caused by hormonal actions in females.
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If a child develops an anterior pituitary tumour that reduces LH and FSH production,the child will _________.A. not develop gonads.B. experience delayed or disrupted puberty.C. produce excess testosterone or estrogen.D. develop secondary sexual characteristics before puberty.
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.
Testosterone is mainly produced by the:
a. ovaries.
b. anterior pituitary.
c. posterior pituitary.
d. testes.
Chapter 22 Solutions
Biology: Science for Life with Physiology (5th Edition)
Ch. 22 - Prob. 1LTBCh. 22 - Describe the male and female reproductive...Ch. 22 - Describe gametogenesis in males and females.Ch. 22 - A sperm cell follows which path? seminiferous...Ch. 22 - An egg cell that is not fertilized follows which...Ch. 22 - Which of the following is mismatched? urethra:...Ch. 22 - Gametogenesis _________ . A. begins at puberty in...Ch. 22 - Prob. 8LTBCh. 22 - Prob. 9LTBCh. 22 - Prob. 10LTB
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- Testosterone is produced in thea. interstitial cells.b. seminiferous tubules of the testes.c. anterior lobe of the pituitary gland.d. sperm cellsarrow_forwardIn a female, follicle-stimulating hormone (FSH) and luteinizing hormone (LH) target the:a. uterus. c. ovaries.b. anterior pituitary gland. d. hypothalamus.arrow_forwardWhich of the following are functions of luteinizing hormone? A. stimulation of production of estrogen B. thinning of the follicle membrane C. stimulation of follicle development D. formation and maintenance of corpus luteumarrow_forward
- Which row correctly identifies the function and a source of hCG, respectively? Select one: A. Function Source Stimulate Estrogen Ovary B. Function Source Stimulate FSH Anterior Pituitary C. Function Source Aid Implantation Uterus D. Function Source Maintains Corpus Luteum Trophoblast and Placentaarrow_forwardAn increasing estrogens amount was found in the blood of a woman. What ovary cells take place at these hormones formation? a. Follicular cells and oocytes b. Oocytes c. Follicular cells of primary follicles d. Interstitial and follicular cells of secondary follicles e. Follicular cells of primordial folliclesarrow_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
- Which of the following hormones exogenously-administered as drugs is most likely to decrease ovarian production of secondary oocytes and testicular production of secondary spermatocytes. A. Estradiol. B. Progesterone. C. prolactin. D. testosterone. E. TRHarrow_forwardThe cells that are located between seminiferous tubules which produce testosterone are: A.Myometrial B.Follicle C.Sustentacular D.Thalamic E.Interstitialarrow_forwardWhich of the following is not a hormone produced by the ovaries?a. estrogen c. prolactin e. relaxinb. progesterone d. inhibinarrow_forward
- which of the following statement is NOT about follicle-stimulating hormones (FSH) in the male reproductive system? Select one: A. It is stimulated by GnRH and LH. B. It increases the production of inhibin. C. It is suppressed by increased levels of Testerone snd inhibin. D. It stimulates the Sertoli cells to produce spermarrow_forwardPlasma concentrations of LH and FSH rise dramatically after menopause. This is because (select one) a. The negative feedback of gonadal steroids is no longer present b. Rising gonadotrophins maintains the fertility of older animals c. Fertility in older woman declines d. The pituitary becomes more efficient with agearrow_forwardThe onset of labor may be a result ofa. increased estrogen secretion by the placenta.b. increased glucocorticoid secretion by the fetus.c. increased secretion of oxytocin.d. stretch of the uterus.e. All of these are correctarrow_forward
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