Essentials of Human Anatomy & Physiology (12th Edition)
12th Edition
ISBN: 9780134395326
Author: Elaine N. Marieb, Suzanne M. Keller
Publisher: PEARSON
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Chapter 16, Problem 7MC
Summary Introduction
Introduction:
The reproductive system in females consists of organs such as ovaries, uterus, and fallopian tube. Males have testes, penis, and seminal vesicles. Ovaries in females produce ova, whereas testes in males produce sperms. Ova fuses with the sperm to form a zygote. Both the gametes are different in size and shape.
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Which of the following is a major difference between spermatogenesis and oogenesis?
a. Spermatogenesis involves meiosis, and oogenesis involves mitosis.
b. Spermatogenesis is continuous, but oogenesis is variable.
c. Spermatogenesis produces fewer gametes per precursor cell than oogenesis.
d. All of these are significant differences between oogenesis and spermatogenesis.
Which of the following statement does NOT describe the event that occurs if the ovum is not fertilized?
Select one:
A. Progesterone maintains the endometrium for the zygote.
B. Low level of progesterone results in menstruation.
C. The corpus luteum degenerates and stops producing estrogen and progesterone.
D. GnRH, FSH, and LH levels begin to increase.
Which of the following statements about oocytes and ovulation is correct? a. The production of primary oocytes continues in women from the onset of puberty until the onset of menopause. b. Meiotic divisions are complete at the time of ovulation. c. At ovulation, the structure released from the follicle includes a secondary oocyte and polar body. d. All of these statements are correct
Chapter 16 Solutions
Essentials of Human Anatomy & Physiology (12th Edition)
Ch. 16 - More than one choice may apply.
1. Which of the...Ch. 16 - 2. In terms of development, which of these pairs...Ch. 16 - Prob. 3MCCh. 16 - Prob. 4MCCh. 16 - The approximate area between the anus and clitoris...Ch. 16 - 6. Which of the following attach to the...Ch. 16 - Prob. 7MCCh. 16 - Select the false statement about the cervix of the...Ch. 16 - Each month, typically only one a. primary follicle...Ch. 16 - After ovulation, the ruptured follicle a....
Ch. 16 - The outer layer of the blastocyst, which attaches...Ch. 16 - Prob. 12MCCh. 16 - During human embryonic development, organogenesis...Ch. 16 - Prob. 14SAECh. 16 - What is the function of seminal fluid? Name the...Ch. 16 - Prob. 16SAECh. 16 - Prob. 17SAECh. 16 - Prob. 18SAECh. 16 - 19. How does enlargement of the prostate interfere...Ch. 16 - Prob. 20SAECh. 16 - Prob. 21SAECh. 16 - 22. Explain why a man’s sexual responsiveness and...Ch. 16 - Prob. 23SAECh. 16 - Prob. 24SAECh. 16 - 25. Name the structures of the female duct system,...Ch. 16 - Prob. 26SAECh. 16 - Prob. 27SAECh. 16 - Prob. 28SAECh. 16 - Prob. 29SAECh. 16 - List and describe the events of the menstrual...Ch. 16 - Prob. 31SAECh. 16 - Prob. 32SAECh. 16 - Prob. 33SAECh. 16 - Prob. 34SAECh. 16 - Prob. 35SAECh. 16 - What is the indifferent stage of embryonic...Ch. 16 - Prob. 37SAECh. 16 - 38. Compare the effects of aging on the male and...Ch. 16 - Prob. 39CTCh. 16 - Crystal had both her left ovary and her right...Ch. 16 - 41. A sperm enters a polar body, and their nuclei...
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- Which of the following statements is/are true? A. Spermatogenesis is an example of asymmetric cell division. B. The formation of a mature egg occurs through symmetric cell division. C. Spermatogenesis and oogenesis are both examples of asymmetric cell division. D. Spermatogenesis involves only symmetric cell division whereas oogenesis involves asymmetric cell division.arrow_forwardOogenesis involves germ cells in the ovary undergoing meiosis to produce a functional ovum at the end of the process.Which of the following cells is penetrated by a sperm cell during the process of fertilization? Select one: a. Secondary oocyte b. Oogonia c. Primary oocyte d. Ovumarrow_forwardThe testicles of male mammals are suspended in the scrotum because a. the optimum temperature for sperm production is less than the normal core body temperature of the organism. b. the optimum temperature for sperm production is higher than the normal core body temperature of the organism. c. there is not enough room in the pelvic area for the testicles to be housed internally. d. it is easier for the body to expel sperm during ejaculation.arrow_forward
- Identify the structure that supports the development of sperm cells. Select one: a. D, which is the Sertoli cell b. A, which is the spermatocyte c. C, which is the sperm cell d. B, which is the interstitial cellarrow_forwardWith regards to sperm, one of the following is true? a. Sperm survive in an acidic environment b. Travel through the vas deferens, then the ejaculatory duct, then the ureter during ejaculation c. Are stored in the vas deferens and last part of the epididymisarrow_forwardWhich of the following statements is incorrect?a. The placenta secretes hormones such as progesterone, hCG, and estrogen.b. Embryonic tissue and maternal tissue forms the placenta.c. The chorion supplies nutrients to the embryo by diffusion.d. The umbilical cord is formed by one artery and two veinsarrow_forward
- What is the difference between in vitro fertilization (IVF)and artificial insemination? Select one: a. IVF involves fertilization outside the body, whereas artificial insemination involves internal fertilization. b. During IVF, gametes are introduced into the womb, whereas during artificial insemination, a blastocyst is implanted on the uterus. c. IVF includes giving the woman additional FSH and LH to induce superovulation, whereas artificial insemination involves a woman undergoing any hormonal treatment. d. Artificial insemination can be used during a surrogacy, whereas IVF cannot.arrow_forwardWhich of the following statements about hormone regulation of the female reproductive cycle is false? a. LH and FSH are produced in the pituitary, and estradiol and progesterone are produced in the ovaries. b. Estradiol and progesterone secreted from the corpus luteum cause the endometrium to thicken. c. Both progesterone and estradiol are produced by the follicles. d. Secretion of GnRH by the hypothalamus is inhibited by low levels of estradiol but stimulated by high levels of estradiol.arrow_forwardAt fertilization, a sperm contributes a. a diploid nucleus. b. mRNAs. c. a centrosome. d. nutrients.arrow_forward
- Which of the following statements describes what occurs if the ovum is fertilized? Select one: a. GnRH, FSH, and LH levels begin to increase. b. The corpus luteum degenerates and stops producing estrogen and progesterone. c. Progesterone maintains the endometrium for the zygote. d. Low levels of progesterone result in menstruation.arrow_forwardWhich of the following statements does NOT describe the events that occur if the ovum is not fertilized? Select one: a. The corpus luteum degenerates and stops producing estrogen and progesterone. b. GnRH, FSH, and LH levels begin to increase. c. Progesterone maintains the endometrium for the zygote. d. Low levels of progesterone result in menstruation.arrow_forwardDuring cleavage, the mass of cells: a. increases b. decreases c. doubles with every cell division d. does not change significantlyarrow_forward
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The Human Reproductive System; Author: Professor Dave Explains;https://www.youtube.com/watch?v=TucxiIB76bo;License: Standard YouTube License, CC-BY