EP HUMAN BIOLOGY-MODIFIED MASTERING
8th Edition
ISBN: 9780134326436
Author: Johnson
Publisher: PEARSON CO
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Textbook Question
Chapter 16, Problem 10TY
The most widely used hormonal methods of birth control:
a. prevent fertilization by killing sperm
b. prevent ovulation by inhibiting release of FSH and LH
c. prevent implantation into the endometrium
d. block transport of fertilized egg to uterus
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The most widely used hormonal methods of birth control: a. prevent fertilization by killing sperm b. prevent ovulation by inhibiting release of FSH and LH c. prevent implantation into the endometrium d. block transport of fertilized egg to uterus
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 levels
A woman taking birth control pills would be expected to have
Select one:
a. higher than normal FSH and LH levels due to fewer negative feedback messages being sent to the ovaries
b. higher than normal FSH and LH levels due to fewer negative feedback messages being sent to the pituitary gland
c. lower than normal FSH and LH levels due to more negative feedback messages being sent to the pituitary gland
d. lower than normal FSH and LH levels due to more negative feedback messages being sent to the ovaries
Chapter 16 Solutions
EP HUMAN BIOLOGY-MODIFIED MASTERING
Ch. 16 - Prob. 1QCCh. 16 - Prob. 2QCCh. 16 -
3. Would you be willing to select an embryo to...Ch. 16 -
1. Name the three accessory glands of the male...Ch. 16 - Prob. 2CRCh. 16 - Explain where fertilization takes place in the...Ch. 16 - Describe the phases of the uterine cycle.Ch. 16 - Prob. 5CRCh. 16 - Prob. 6CRCh. 16 - Describe how IVF is done.
Ch. 16 - Prob. 8CRCh. 16 - Describe birth control options, and list those...Ch. 16 - Describe the various STDs of worldwide concern.Ch. 16 - Prob. 1TYCh. 16 - Prob. 2TYCh. 16 - Which of the following structures is correctly...Ch. 16 - Prob. 4TYCh. 16 - Which of the following would provide the most...Ch. 16 -
6. What is the role of the corpus luteum during...Ch. 16 - Which of the following lists the female...Ch. 16 - Prob. 8TYCh. 16 - Which two means of birth control are most similar...Ch. 16 -
10. The most widely used hormonal methods of...Ch. 16 - Prob. 11TYCh. 16 - Prob. 12TYCh. 16 - Prob. 13TYCh. 16 - Prob. 14TYCh. 16 - Prob. 15TYCh. 16 - Male sexual responsiveness and secondary sex...Ch. 16 - What keeps the ovarian and uterine cycles always...Ch. 16 - Prob. 3AWKCh. 16 - What provides the force that pushes the baby out...Ch. 16 - Both women and men can have an STD and not have...Ch. 16 - If a woman does not have an intact hymen does that...
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- In the fertility awareness method of birth control, a woman gauges her monthly fertile period by monitoring changes in the consistency of her vaginal mucus. What kind of information does such a method provide about the likelihood of getting pregnant?arrow_forwardA woman taking birth control pills would be expected to have Select one: a. higher than normal FSH and LH levels due to fewer negative feedback messages being sent to the ovaries b. higher than nomal FSH and LH levels due to fewer negative feedback messages being sent to the pituitary gland c. lower than normal FSH and LH levels due to more negative feedback messages being sent to the pituitary gland d. lower than normal FSH and LH levels due to more negative feedback messages being sent to the ovariesarrow_forwardWhich of the following statement correctly describe the role of androgen in the male reproductive system? Select one: A. LH stimulates the Sertoli cell to produce inhibin and to start spermatogenesis. B. Increased levels of inhibin released by the interstitial cells result in lower levels of FSH and testosterone. C. Increased levels of testosterone feedbacks negatively to the anterior pituitary and hypothalamus. D. GnRH is released by the anterior pituitary and stimulates the release of FSH and LH.arrow_forward
- According to the diagram at right, FSH injections to super-stimulate the ovaries will: a. Rescue the subordinate follicles from atresia b. Reverse atresia of subordinate follicles c. Stimulate new waves of follicular growth d. Cause ovulation of atretic follicles what prevents the dominant follicles of Waves 1 and 2 from ovulating? a. follicles are not big enough b. the animal is not in heat c. the high progesterone prevents the LH/FSH surge d. all of the above e. none of the abovearrow_forwardBirth control pills are oral contraceptives taken by women to prevent pregnancies. the most effective forms of birth control pills contain estrogen and a small amount of progestin ( a synthetic hormone that mimics the effect of progesterone). The role of estrogen in the birth control pills is to: Select one: A. reduce the progesterone levels in the blood to limit the endometrium. B. negatively feedback to the anterior pituitary to suppress the production of GnRH. C. suppress the shedding of the endometrium, thus preventing mestruation. D. prevent the rise in the FSH and LH levels, thereby preventing follicle's maturation.arrow_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_forward
- The hormone estrogen: A. Stimulates breasts B. Maintains functional accessory reproductive glands and organ C. Maintains female secondary sex characteristics D. Initiates repair and growth of the endometrium E. All of the answers are correcarrow_forwardHow will you explain the role of Gonadotropin Releasing Hormone (GnRH)? The GnRH is a/an: follicle stimulator that will mature the egg cell. testes stimulator that will synthesize testosterone. С. 8. A. B. pituitary Gland stimulator that will produce FSH and LH. D. ovary stimulator that will produce sex steroid hormones. Which of these roles of hormones explains the changes in the physical appearance of the extemal genitalia of the male and female reproductive part at the onset of puberty? 9. А. Stimulation of follicle alone. В. Production of sperm and egg cell. С. Regulation of the production of GNRH D. Development of male and female characteristics. Which of the following hormone pairing will best explain why men and women have unique physical structures? 10. А. (Testosterone, Estrogen) C. (Progesterone, Adrenaline) В. (Progesterone, Estrogen) D. (Testosterone, Progesterone) What type of feedback mechanism is described when progesterone and estrogen levels drop after menstruation,…arrow_forwardWhich of the following statements does NOT describe the role of progesterone in the female reproductive system? a. Triggers the release of the ovum b. Prevents smooth muscle contraction, thereby preventing premature birth c. Prevents the shedding of the endometrium d. Ensures that the endometrium is thick enough to support a fetilized eggarrow_forward
- Which of the following statements correctly describes the role of androgens in the male reproductive system? Select one: a. Increased levels of testosterone feedbacks negatively to the anterior pituitary and hypothalamus. b. GnRH is released by the anterior pituitary and stimulates the release of FSH and LH. c. Increased levels of inhibin released by the interstitial cells results in lower levels of FSH and testosterone. d. LH stimulates the Sertoli cells to produce inhibin and to start spermatogenesis.arrow_forwardWhich 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.arrow_forwardDuring the first trimester, hCG produced from the chorion maintains the corpus luteum. What is the purpose of maintaining the corpus luteum? Select one: a. The corpus luteum produces relaxin, which thickens the endometrium. b. The corpus luteum ensures that the endometrium does not break down during the first trimester. c. The corpus luteum supports the formation of the placenta. d. The chorion forms the fetal part of the placenta, and the corpus luteum supports the maternal part of the placenta.arrow_forward
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