Campbell Biology in Focus
3rd Edition
ISBN: 9780134710679
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Rebecca Orr
Publisher: PEARSON
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Chapter 36.4, Problem 3CC
Summary Introduction
To determine:
The effect on the menstrual cycle and fertility of the female in which STD led the complete blockage of both oviducts.
Introduction:
STD (sexually transmitted disease) is an infection that has chances of transmission between individuals by means of sexual relation (vaginal intercourse or oral sex). The STD can also be spread by the use of an infectious needle after it is used by an infected person, sometimes through childbirth or breastfeeding.
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KW. is 16 years old and has experienced oligomenorrhea (infrequent menstruation) for several years. Endocrine screening shows she has high levels of free testosterone and a LH.FSH ratio of 3:1. a) Is KW. ovulating? How do you know? b) Why is she not menstruating normally? How does her LH FSH levels affect follicle development and menstruation.
Chapter 36 Solutions
Campbell Biology in Focus
Ch. 36.1 - Prob. 1CCCh. 36.1 - Prob. 2CCCh. 36.1 - MAKE CONNECTIONS What examples of plant...Ch. 36.2 - Prob. 1CCCh. 36.2 - Why might using a hot tub frequently make it...Ch. 36.2 - Prob. 3CCCh. 36.2 - WHAT IF? If each vas deferens in a male was...Ch. 36.3 - Prob. 1CCCh. 36.3 - How does an estrous cycle differ from a menstrual...Ch. 36.3 - Prob. 3CC
Ch. 36.4 - Prob. 1CCCh. 36.4 - Prob. 2CCCh. 36.4 - Prob. 3CCCh. 36 - Prob. 1TYUCh. 36 - The cortical reaction of sea urchin eggs functions...Ch. 36 - Prob. 3TYUCh. 36 - Prob. 4TYUCh. 36 - Prob. 5TYUCh. 36 - For which is the number the same in males and...Ch. 36 - Prob. 7TYUCh. 36 - Prob. 8TYUCh. 36 - FOCUS ON EVOLUTION Hermaphroditism is more often...Ch. 36 - Prob. 10TYUCh. 36 - Prob. 11TYU
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- 1The gonadotropins are hormones produced by the anterior pituitary gland and affect both male and female reproductive cycles; they are, ___?____and ____?___.arrow_forwardHow does the decrease in progesterone at the last weeks of pregnancy help to bling on labor? stimulating FSH production decreasing the levels of estrogens dilating the cervix decreasing the inhibition of uterine contractilityarrow_forwardVisit this site (http://openstaxcollege.org/l/pregstages) for a summary of the stages of pregnancy, as experienced by the mother, and view the stages of development of the fetus throughout gestation. At what point in fetal development can a regular heartbeat be detected?arrow_forward
- Female Reproductive System Assignment 4. Describe changes that occur in a follicle and its oocyte during maturation. 5. What causes ovulation? 6. What happen to an oocyte following ovulation? 7. Name the major female sex hormones and write functions of each. 8. Trace the events of the menstrual cycle. 9. What are some changes that may occur at menopause? 10. Describe the structure of a mammary gland.arrow_forwardPlease answer fast 1. Describe the events that occur in the ovaries as a rat goes through the estrus cycle. Relate these changes to the cyclic changes of the vaginal epithelium. 2. Trace the course of events from the release of ACh by a motor neuron to the binding of myosin cross-bridges to actin. of the nerve that innervates the muscle. Propose an explanation for these results. 3. What would a vaginal smear performed on an ovariectomized rat (one with its ovaries removed) look like? Explain.arrow_forwardMATCHING TYPE 1-10: Choose the correct answer from the options A-K given below. 1. Estrogen levels are highest on day number? 2. LH levels are highest on day number? 3. How does the increase in the estrogen level correspond the change in thickness of the uterine lining in days 1 through 10 of the menstrual cycle? 4. Compare the change in thickness of the uterine lining with change in progesterone amount for days 10-27. 5. Why is it logical for the level of FSH to fall greatly following ovulation? 6. What happens to the uterine lining between day 27 and day 1? What is this process called? 7. Why it makes sense that the levels of estrogen and progesterone are low in the blood of a female during menstruation? 8. Role of FSH in the menstrual cycle? 9. Role of estrogen in the menstrual cycle? 10. Role of progesterone in the menstrual cycle? A. prepares the endometrial lining of the uterus to allow the fertilized egg to implant and helps to maintain the endometrium throughout…arrow_forward
- Activity 2 "Mark My Calendar" Part A-For no fertilization 1. Arrange the correct sequence of events in the menstrual cycle. 2. Write the number of event in the right place/dates where they occur. 3. Make sure that they are correctly written. See pictures belowarrow_forward4. What is the major control centers of oogenesis that secretes ecdysone?A. headB. fat bodiesC. ovariesD. corpora allata 5. Which of the following does not pertain to the panoistic ovarioles?A. Trophocyte and oocyte originate from a single oogonium.B. Most primitive type of ovarioles and absence of trophocytes.C. Each developing oocyte is surrounded by the follicular epithelium. D. Follicular plug exists between adjacent oocyte.arrow_forwardFigure 43.17 Which of the following statements about the menstrual cycle is false? Progesterone levels rise during the luteal phase of the ovarian cycle and the secretory phase of the uterine cycle. Menstruation occurs just after LH and FSH levels peak. Menstruation occurs after progesterone levels drop. Estrogen levels rise before ovulation, while progesterone levels rise after.arrow_forward
- WHAT IF? If a hermaphrodite self-fertilizes, will theoffspring be identical to the parent? Explain.arrow_forwardmenstrual cycle (put steps into week 1-4 categories )arrow_forwardAnswer the ff. What steps in male reproductive physiology do you think might be possibly blocked pharmacologically in order to produce such a contraceptive for males? What are the negative effects of candidate drugs currently proposed for the male hormonal contraceptive? What alternative ways are considered that will reduce these effects?arrow_forward
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