EBK BIOLOGY
5th Edition
ISBN: 8220100667978
Author: Maier
Publisher: PEARSON
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Chapter 22, Problem 3AAATB
Summary Introduction
To analyze:
Skipping the placebo pills causes a delay in the menstruation.
Introduction:
The oral contraceptives are the hormonal pills, which are made up of estrogen-progestin mix or progestin only. The progestin hinders the ovulation in the female body and prevents fertilization and implantation.
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Students have asked these similar questions
A patient presents requesting hormonal contraception . She has been researching her options on the Web and has become confused by the large variety of OC pills available , including monophasic, multiphasic , and progesterone only . She asks how the pill prevents pregnancy and why the variety of preparations . Which of the following is the primary mechanism by which OCs prevent pregnancy ?
Increasing cervical mucus viscosity
Inhibiting serum follicle stimulating hormone (FSH) levels
Inducing lymphocytic endometritis
Inhibiting serum luteinizing hormone (LH ) levels
Sharon, aged 26 years, had been married for two years. Menarche was at age 14 with regular periods. When she was 24 her periods became irregular and she was started on the combined oral contraceptive pill. Wishing to become pregnant, she had stopped taking the pill one year earlier but her periods did not return. Her partner’s sperm count was normal. The following investigations were carried out (reference ranges are given in brackets): LH 21 IU/L (2–15) FSH 42 IU/L (1–15) Prolactin 350 mU/L (50–700)
(a) What do the high gonadotrophins suggest in this case?
(b) What is Sharon’s principal option to achieve a pregnancy?
Jack and Gill are married couples with three children . The couple consulted a family planning clinic . As the nurse manning the clinic you counselled the couple regarding family planning . Jack asks the nurse about vasectomy . He understands that this is a minor operation and asks if he'll become sterile immediately . The nurse's best response is:
“No you'll remain fertile ."
It may takes several weeks and as many as 30 to 40 ejaculations to remove all the live sperm."
You'll be sterile in 2 to 3 days ."
If the procedure is done correctly you'll be sterile immediately
Chapter 22 Solutions
EBK BIOLOGY
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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- The nurse is working in women’s clinic and is providing counseling to a 22-year-old college student. The client has come to the clinic for information about preventing pregnancy. She is planning to have intercourse with her boyfriend and wants to be prepared to avoid the possibility of pregnancy. What options are there for her to consider for birth control? What are issues associated with a possible pregnancy including pregnancy rates with various birth control methods? What are risk factors for pelvic inflammatory disease?arrow_forwardA 19-year-old woman and her boyfriend wish to use condoms as a barrier contraceptive method. This couple should be advised that the most common reason for failure (pregnancy or STD transmission ) is which of the following ? breakage use without concomitant use of a spermicide leakage caused by spermicidal creams spill of condom contents upon withdrawalarrow_forwardList two non-pharmacological methods of birth control.arrow_forward
- Hormonal contraceptives can be cyclic or non-cyclic. Non-cyclic hormonal contraceptives provide a constant level of hormones everyday for months or years. Examples of non-cyclic hormonal contraceptives include the hormonal IUD (Mirena, Skyla or Lilletta brandnames), the hormonal implant (Norplant or Implanon), and the hormonal injection (Depo-Provera). Cyclic contraceptives provide hormones for about 3 weeks, then one week of no hormones. Examples of these include various types of birth control pills containing 3 weeks of hormonal pills then one week of placebo (sugar pills); and the vaginal ring (NuvaRing, which is kept in for 3 weeks then removed for one week.) Many females using hormonal contraceptives in general tend to have lighter and shorter menstrual periods after a few months, but those using non-cyclic methods often do not have any menstruation at all. Why might this be? Write a paragraph describing a potential mechanism.arrow_forwardMina is a 35-year-old woman in a monogamous, long-term relationship. She and her partner have just located across the country. She’s been taking birth control pills for the last seven years, but her new doctor explains that it is time to switch to another method because of her age and family history of heart disease. Both she and her partner smoke. Her partner has a latex allergy. They both would prefer a more convenient method that allows more spontaneity. She looks at the patch, the vaginal ring, and Depo-Provera, but decides to use a copper IUD instead. What possible side risks should she be aware of?arrow_forwardMina is a 35-year-old woman in a monogamous, long-term relationship. She and her partner have just located across the country. She’s been taking birth control pills for the last seven years, but her new doctor explains that it is time to switch to another method because of her age and family history of heart disease. Both she and her partner smoke. Her partner has a latex allergy. They both would prefer a more convenient method that allows more spontaneity. She looks at the patch, the vaginal ring, and Depo-Provera, but decides to use a copper IUD instead. Why did her doctor advise her to stop taking the pill? Explain two specific reasons related to her age and family history.arrow_forward
- Mina is a 35-year-old woman in a monogamous, long-term relationship. She and her partner have just located across the country. She’s been taking birth control pills for the last seven years, but her new doctor explains that it is time to switch to another method because of her age and family history of heart disease. Both she and her partner smoke. Her partner has a latex allergy. They both would prefer a more convenient method that allows more spontaneity. She looks at the patch, the vaginal ring, and Depo-Provera, but decides to use a copper IUD instead. Why did the couple not consider condoms or a diaphragm?arrow_forwardMina is a 35-year-old woman in a monogamous, long-term relationship. She and her partner have just located across the country. She’s been taking birth control pills for the last seven years, but her new doctor explains that it is time to switch to another method because of her age and family history of heart disease. Both she and her partner smoke. Her partner has a latex allergy. They both would prefer a more convenient method that allows more spontaneity. She looks at the patch, the vaginal ring, and Depo-Provera, but decides to use a copper IUD instead. Why did she pick the IUD instead of the patch, vaginal ring, and depo-provera?arrow_forwardMina is a 35-year-old woman in a monogamous, long-term relationship. She and her partner have just located across the country. She’s been taking birth control pills for the last seven years, but her new doctor explains that it is time to switch to another method because of her age and family history of heart disease. Both she and her partner smoke. Her partner has a latex allergy. They both would prefer a more convenient method that allows more spontaneity. She looks at the patch, the vaginal ring, and Depo-Provera, but decides to use a copper IUD instead. Explain how the IUD is accomplishing a desire of the couple.arrow_forward
- PA is a 36yo F who started oral contraception 8 months ago. Over the last few weeks she reports some nausea and a few days of spotting before her period. She also reports her period has been heavier than usual. She reports this has not happened on her previous forms of birth control. Which of the following would be the MOST appropriate adjustment to her contraceptive? Consider an increase in the estrogen content X b. Consider an decrease in the estrogen content Consider an increase in the progestin content d. Consider a decrease in the progestin content a. C.arrow_forwardAn average-weight woman without insurance coverage had unprotected sex and wants to avoid pregnancy. Describe the mechanism of action, pros, cons, and reliability of three different emergency contraception methods and make a recommendation for her specific situation.arrow_forwardEnvision yourself as a physician whose patients sometimes ask about birth control. Provide a contraceptive method for each of the following patients, and explain why it would be appropriate: couple A, a man and woman who have intercourse regularly but never want to have children; couple B, a man and woman who have intercourse regularly and want to have children someday; and person C, a single woman who occasionally has intercourse with single men and does not wish to become pregnant. Be sure to include the level of protection against STDs that each person is likely to need.arrow_forward
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