EBK HUMAN BIOLOGY
11th Edition
ISBN: 8220100545931
Author: MCMILLAN
Publisher: Cengage Learning US
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Textbook Question
Chapter 16, Problem 4SQ
During the menstrual cycle, a midcycle surge of _____ triggers ovulation.
- a. estrogen
- b. progesterone
- c. LH
- d. FSH
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Spermatogenesis is governed by
a. GNRH
b. luteinizing hormone only
c. luteinizing hormone and follicle-stimulating hormone
d. GNRH, luteinizing hormone, and Sertoli cells
O e. Follicle-stimulating hormone only
Spermatogenesis takes place in the ________.a. prostate glandb. glans penisc. seminiferous tubulesd. ejaculatory duct
During the menstrual cycle which stage have the following conditions in response to progesterone:
endometrial cells - enlarge
endometrial layer - thickens
endometrium - greatest degree of development
a. menses
b. proliferation phase
c. ovulation
d. secretory phase
Chapter 16 Solutions
EBK HUMAN BIOLOGY
Ch. 16 - Distinguish between: a. seminiferous tubule and...Ch. 16 - Which hormones influence the development of sperm?Ch. 16 - Which hormones influence the menstrual and ovarian...Ch. 16 - List four events that are triggered by the surge...Ch. 16 - What changes occur in the endometrium during the...Ch. 16 - Label the parts of the female reproductive system...Ch. 16 - Label the parts of the male reproductive system...Ch. 16 - Which oocyte stage is ovulated? What happens to it...Ch. 16 - Besides producing gametes (sperm and eggs), the...Ch. 16 - _____ production is continuous from puberty onward...
Ch. 16 - The secretion of _____ controls the formation of...Ch. 16 - During the menstrual cycle, a midcycle surge of...Ch. 16 - Ovulation releases _________. a. the corpus luteum...Ch. 16 - Which is the correct order for one turn of the...Ch. 16 - In order for sexual intercourse to produce a...Ch. 16 - Fertilization _____. a. unites the nuclei of a...Ch. 16 - Fertility specialists may advise a couple who wish...Ch. 16 - In the fertility awareness method of birth...Ch. 16 - Premenstrual syndrome (PMS) can include mood...Ch. 16 - Prob. 4CTCh. 16 - Prob. 5CT
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- Sperm are produced in the _______. a. scrotum b. seminal vesicles c. seminiferous tubules d. prostate glandarrow_forwardFigure 18.12 Which of the following statements about the male reproductive system is false? a. The vas deferens carries sperm from the testes to the seminal vesicles. b. The ejaculatory duct joins the urethra. c. Both the prostate and the bulbourethral glands produce components of the semen. d. The prostate gland is located in the testes.arrow_forwardNutrient and waste requirements for the developing fetus are handled during the first few weeks by _____. a. the placenta b. diffusion through the endometrium c. the chorion d. the blastocystarrow_forward
- Match each term with the most suitable description. ___epididymis a. conveys oocyte to uterus ___vas deferens b. can be inflated by blood ___vagina c. where sperm mature ___seminal vesicle d. target of vasectomy ___penis e. main contribution to semen ___oviduct f. sheds lining monthly ___uterus g. birth canalarrow_forwardDuring a menstrual cycle, a midcycle surge of_____ from the_____ triggers ovulation. a. FSH; pituitary c. LH; pituitary b. progesterone; egg d. estrogen; follicle cellsarrow_forwardForms the muscles A. Prostate gland B. Mesoderm C. The inner cell mass D. Bulbourethral glands E. Seminal vesiclesarrow_forward
- Use the following information to answer the next two questions. Symptoms of premenstrual syndrome (PMS) are usually the most severe during the seven days prior to menstrual flow. Hormone Levels During the Menstrual Cycle Row A. B. Blood hormone level Note: Ovulation occurs on day 14 of this cycle. C. 0 D. Progesterone Increasing Increasing 7 Decreasing 20. Which of the following rows identifies the reproductive hormone levels that coincide with severe symptoms of PMS in the seven days prior to menstrual flow? Decreasing Progesterone 14 Days of menstrual cycle LH Increasing then decreasing Decreasing then increasing Increasing then decreasing Estrogen Decreasing then increasing 21 FSH LH 28 FSH Increasing then decreasing Decreasing then increasing Increasing then decreasing Decreasing then increasingarrow_forwardBinding of a sperm to an oocyte plasma membrane causes the oocyte to______ . a. enter an oviduct c. secrete estrogen b. complete meiosis II d. expel its nucleusarrow_forwardAlkaline secretion containing fructose A. Prostate gland B. Mesoderm C. The inner cell mass D. Bulbourethral glands E. Seminal vesiclesarrow_forward
- Progesterone is made during the third trimester by the: a. placenta b. endometrial lining c. chorion d. corpus luteumarrow_forwardSperm cells originally come from a diploid cell called a… Group of answer choices A. secondary oocyte B. primary spermatocyte C. gonadal cell D. acrosome E. seminiferous cellarrow_forwardIf the testes fail to descend, a male is infertile because sperm cell formation is prevented by a. relatively high internal body temperature b. lack of testosterone c. excessive production of estrogen d. none of the choices e. all of the choices ctoro andd convey spermatozoa to the duearrow_forward
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