SEELEY'S ANATOMY+PHYSIOLOGY
12th Edition
ISBN: 9781260172195
Author: VanPutte
Publisher: RENT MCG
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Chapter 29, Problem 8CT
Summary Introduction
Introduction:
Mullerian-inhibiting hormone is also known as an anti-Mullerian hormone. It is a gonadal hormone that plays an important role in the regression of Mullerian ducts during male embryogenesis.
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A study divides healthy females into two groups (A and B). Both groupsare composed of those who have been sexually active for at least 2 yearsand are not pregnant at the beginning of the experiment. The subjectsweigh about the same amount, and none smoke cigarettes, althoughsome drink alcohol occasionally. Group A individuals receive a placeboin the form of a sugar pill each morning of their menstrual cycles. GroupB individuals receive a pill containing estrogen and progesterone eachmorning of their menstrual cycles. Then plasma LH levels are measuredbefore, during, and after ovulation. The results are as follows:Group 4 Days BeforeOvulationDay ofOvulation4 Days AfterOvulationA 18 mg/100 mL 300 mg/100 mL 17 mg/100 mLB 21 mg/100 mL 157 mg/100 mL 15 mg/100 mLThe number of pregnancies in group A is 37/100 females/year. Thenumber of pregnancies in group B is 1.5/100 females/year. Whatconclusion can you reach on the basis of these data? Explain themechanism involved.
Birth 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 effects of progesterone).
Although the most effective forms of oral contraceptive for women contain estrogen and progestin, some birth control pills contain a small dose of progestin only. This is because there are many risks and side effects associated with estrogen.Which of the following statements is NOT a reason for using a progestin-only oral contraceptive?
Select one:
a. Progesterone suppresses the maturation of follicles, thereby preventing ovulation of a mature ovum.
b. Progesterone maintains the corpus luteum as corpus luteum releases a large amount of progesterone and some estrogen.
c. Progestin-only oral contraceptives prevent the production of FSH and LH in the anterior pituitary.
d. Progesterone suppresses the production of GnRH in the hypothalamus.
Which of the following statements does NOT correctly describe a difference between the male and female reproductive systems?
Select one:
a. Testosterone has a major role in the development of secondary sexual characteristics in male reproductive systems, whereas LH promotes the development of secondary sexual characteristics in females.
b. The male reproductive system mass produces large quantities of gametes each day, whereas the female reproductive system produces an average of a single gamete each month.
c. The excretory and reproductive systems both use the urethra in males, whereas in females, there are separate tubes for the excretory and reproductive systems.
d. The structures that produce gametes are exterior to the body in the male reproductive system, whereas the gametes are produced inside the body for females.
Chapter 29 Solutions
SEELEY'S ANATOMY+PHYSIOLOGY
Ch. 29.1 - Describe the three parts of the prenatal period,...Ch. 29.1 - Distinguish between clinical age and postovulatory...Ch. 29.1 - Prob. 3AYPCh. 29.1 - Prob. 4AYPCh. 29.1 - Prob. 5AYPCh. 29.1 - What events occur during the first week after...Ch. 29.1 - Prob. 7AYPCh. 29.1 - Explain the process of implantation and the...Ch. 29.1 - Prob. 9AYPCh. 29.1 - Prob. 10AYP
Ch. 29.1 - Prob. 11AYPCh. 29.1 - Prob. 12AYPCh. 29.1 - Prob. 13AYPCh. 29.1 - Prob. 14AYPCh. 29.1 - Describe the process involved in forming the face....Ch. 29.1 - Describe the formation of the following major...Ch. 29.1 - Explain the formation of the following endocrine...Ch. 29.1 - Prob. 18AYPCh. 29.1 - Prob. 19AYPCh. 29.1 - Prob. 20AYPCh. 29.1 - Prob. 21AYPCh. 29.1 - Prob. 22AYPCh. 29.2 - Prob. 23AYPCh. 29.2 - Describe the hormonal changes that take place...Ch. 29.3 - What changes occur in the newborn's cardiovascular...Ch. 29.3 - Prob. 26AYPCh. 29.3 - What does the score measure?Ch. 29.3 - What are congenital disorders? What are some...Ch. 29.3 - Prob. 29AYPCh. 29.4 - Which hormones ore involved in preparing the...Ch. 29.4 - Describe the events of milk production and milk...Ch. 29.4 - Prob. 32AYPCh. 29.5 - Prob. 33AYPCh. 29.6 - Prob. 34AYPCh. 29.6 - Prob. 35AYPCh. 29.6 - Prob. 36AYPCh. 29.6 - Prob. 37AYPCh. 29.6 - Prob. 38AYPCh. 29.6 - What role does genetics play in aging?Ch. 29.6 - Prob. 40AYPCh. 29.7 - What is genetics?Ch. 29.7 - Prob. 42AYPCh. 29.7 - What are alleles? If tall (T) plants are dominant...Ch. 29.7 - Prob. 44AYPCh. 29.7 - What are the number and type of chromosomes in the...Ch. 29.7 - Prob. 46AYPCh. 29.7 - Prob. 47AYPCh. 29.7 - Distinguish among complete om nonce, Incomplete...Ch. 29.7 - Prob. 49AYPCh. 29.7 - How are sex-linked traits inherited? Give on...Ch. 29.7 - What is meiosis? How does it differ from mitosis?...Ch. 29.7 - Prob. 52AYPCh. 29.7 - Prob. 53AYPCh. 29.7 - What causes the genetic disorder Down syndrome?Ch. 29 - Prob. 1RACCh. 29 - Given these structure: (1) blastocyst (2) morula...Ch. 29 - Prob. 3RACCh. 29 - Prob. 4RACCh. 29 - Prob. 5RACCh. 29 - Prob. 6RACCh. 29 - Prob. 7RACCh. 29 - Prob. 8RACCh. 29 - Prob. 9RACCh. 29 - Prob. 10RACCh. 29 - Prob. 11RACCh. 29 - Prob. 12RACCh. 29 - Prob. 13RACCh. 29 - Prob. 14RACCh. 29 - Which hormones cause differentiation of sex organs...Ch. 29 - Prob. 16RACCh. 29 - Prob. 17RACCh. 29 - Prob. 18RACCh. 29 - Prob. 19RACCh. 29 - Prob. 20RACCh. 29 - Prob. 21RACCh. 29 - Which of these terms is correctly matched with its...Ch. 29 - Prob. 23RACCh. 29 - Prob. 24RACCh. 29 - Prob. 25RACCh. 29 - Prob. 1CTCh. 29 - A physician tells a woman that she is pregnant and...Ch. 29 - Prob. 3CTCh. 29 - Prob. 4CTCh. 29 - Prob. 5CTCh. 29 - Prob. 6CTCh. 29 - Prob. 7CTCh. 29 - Prob. 8CTCh. 29 - Prob. 9CTCh. 29 - Prob. 10CT
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