Combo Biology With Connect Access Card
12th Edition
ISBN: 9781259638268
Author: Sylvia S. Mader Dr.
Publisher: McGraw-Hill Education
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Chapter 42, Problem 3TS
A variety of fertility tests are available for women to purchase over the counter—for example, at drugstores. Especially as more women delay their first pregnancy until they are older, these tests are becoming more popular. Many of these tests incorporate antibodies that specifically react with hormones found in a woman’s urine. What specific hormones could be measured in these tests, and how might these tests actually work?
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A variety of fertility tests are available for women to purchase overthe counter—for example, at drugstores. Because more women nowdelay their first pregnancy until they are older, these tests arebecoming more popular. Many of these tests incorporate antibodiesthat specifically react with hormones found in a woman’s urine.What specific hormones could be measured in these tests, and howmight these tests actually work?
multiple births are observed commonly in women treated for infertility with drugs that stimulate the release of gonadotropic hormones. what could be the reason?
Birth control pills commonly provide excess progesterone that serves to inhibit (suppress) the actions of FSH and LH through a negative feedback loop. Given the role these hormones (FSH and LH) play, how could this feedback loop prevent a woman from becoming pregnant?
Chapter 42 Solutions
Combo Biology With Connect Access Card
Ch. 42.1 - Describe the fast and slow blocks to polyspermy.Ch. 42.1 - Prob. 2CYPCh. 42.1 - Prob. 3CYPCh. 42.2 - Prob. 1CYPCh. 42.2 - Prob. 2CYPCh. 42.2 - Prob. 3CYPCh. 42.3 - Prob. 1CYPCh. 42.3 - Prob. 2CYPCh. 42.3 - Prob. 3CYPCh. 42.4 - Prob. 1CYP
Ch. 42.4 - Prob. 2CYPCh. 42.4 - Prob. 3CYPCh. 42 - Prob. 1BS.1QCCh. 42 - Prob. 1BS.2QCCh. 42 - Prob. 1ACh. 42 - Prob. 2ACh. 42 - Prob. 3ACh. 42 - Prob. 4ACh. 42 - Prob. 5ACh. 42 - Prob. 6ACh. 42 - Prob. 7ACh. 42 - Prob. 8ACh. 42 - Prob. 9ACh. 42 - Prob. 10ACh. 42 - Prob. 11ACh. 42 - Prob. 12ACh. 42 - Prob. 13ACh. 42 - Prob. 14ACh. 42 - Possible causes of the cellular damage that can...Ch. 42 - Prob. 1TSCh. 42 - Prob. 2TSCh. 42 - A variety of fertility tests are available for...Ch. 42 - Prob. 4TS
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- Which of the following situations does NOT lead to decreased fertility? Select one: a. Low sperm count b. Hormonal imbalance c. Difficulty in egg production d. Hepatitis B infectionarrow_forwardWhich of the following hormones is not matched correctly to itseffect on the mother? a. peptide hormones—increased resistance to insulin b. progesterone—reduced chances of the mother having an immune reaction to the fetus c. estrogen—increased uterine blood flow d. progesterone—relaxation of smooth muscle and decrease in blood pressure e. All of these are matched correctlyarrow_forwardDescribe how pregnancy tests work. What hormone are they looking for, and what effect does it have?arrow_forward
- If a woman 7.5 months pregnant is found to have a marked decrease in plasma estrogen but normal plasma progesterone for that time of pregnancy, what would you conclude?arrow_forwardInfertility strikes both men and women. Describe in a summary the biological causes that impair the process of conception in both males and females. Besides mentioning specific reasons of infertility in males and females, you need to include in your answer other cause(s) that might be the result of a combination of factors originating from both men and women.arrow_forwardWhich of the following correctly describes the results of andropause? Select one: A. Lower sperm count and increased rate of testicular cancer. B. Increased estrogen levels and decrease testosterone levels. C. Decreased fertility and increased testosterone levels. D. Reduction of muscle and bone mass and lower sperm count.arrow_forward
- Why Is it imperative for a woman to take folic acid if she is planning to become pregnant?arrow_forwardFrom what I understand, menopause occurs after depletion and atresia of ovarian follicles. So, would something that depletes follicles at a faster rate than normal, such as fertility treatments, lead to early menopause?arrow_forwardIt is estimated that in about 1/150,000 births, an individual is born with 46 chromosomes, both an X and a Y chromosome, but is externally a phenotypic female at birth. A mutation in the gene for which protein is the most likely explanation for this condition? A. Chorionic gonadotropin B. Anti-Müllerian hormone receptor C. Testes determining factor D. Wolffian regression factor (WRF) E. Estrogen receptor βarrow_forward
- Which of the following releases human chorionic gonadotropin (hCG)? a. inner cell mass b. cytotrophoblast c. blastocyst d. syncytiotropharrow_forwardAccording 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_forwardWhich of the following hormones stimulates the production of breast milk? a) Estrogen (estradiol) b) Prolactin c) Oxytocin d) Progesterone e) ACTHarrow_forward
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