Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
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Textbook Question
Chapter 46, Problem 12TYK
Choose from the following hormones to answer questions 10-14.
- a. estradiol
- b. progesterone
- c. LH (luteinizing hormone)
- d. FSH (follicle-stimulating hormone)
- e. hCG (human chorionic gonadotropin)
Which hormone is produced by the embryo during the first trimester and is necessary for maintaining a pregnancy?
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Which row correctly identifies the function and a source of hCG, respectively?
Select one:
A.
Function
Source
Stimulate Estrogen
Ovary
B.
Function
Source
Stimulate FSH
Anterior Pituitary
C.
Function
Source
Aid Implantation
Uterus
D.
Function
Source
Maintains Corpus Luteum
Trophoblast and Placenta
Which hormone is primarily responsible for maintaining the early stages of pregnancy?
A) Estrogen
B) Progesterone
C) Human Chorionic Gonadotropin (hCG)
D) Oxytocin
Which 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.
Chapter 46 Solutions
Study Guide for Campbell Biology
Ch. 46 - a. What adaptive advantages may asexual...Ch. 46 - Prob. 2IQCh. 46 - Prob. 3IQCh. 46 - Prob. 4IQCh. 46 - Fill in the blanks in the following description of...Ch. 46 - In the following diagram of the human female...Ch. 46 - Prob. 7IQCh. 46 - Prob. 8IQCh. 46 - Prob. 1SYKCh. 46 - Answer the following questions concerning the...
Ch. 46 - Prob. 3SYKCh. 46 - Prob. 1TYKFCh. 46 - Prob. 2TYKFCh. 46 - Prob. 3TYKFCh. 46 - Prob. 4TYKFCh. 46 - ______ common opening of digestive, excretory, and...Ch. 46 - Prob. 6TYKFCh. 46 - Prob. 7TYKFCh. 46 - Prob. 8TYKFCh. 46 - Prob. 9TYKFCh. 46 - Prob. 10TYKFCh. 46 - Prob. 1TYKCh. 46 - Prob. 2TYKCh. 46 - Prob. 3TYKCh. 46 - Prob. 4TYKCh. 46 - Prob. 5TYKCh. 46 - Prob. 6TYKCh. 46 - Which of the following statements correctly...Ch. 46 - What is the role of the corpus luteum in...Ch. 46 - The secretory phase of the uterine cycle a. begins...Ch. 46 - Prob. 10TYKCh. 46 - Prob. 11TYKCh. 46 - Choose from the following hormones to answer...Ch. 46 - Prob. 13TYKCh. 46 - Prob. 14TYKCh. 46 - Prob. 15TYKCh. 46 - Prob. 16TYKCh. 46 - Prob. 17TYK
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- Which hormone is primarily responsible for the contractions during labor? a. oxytocin b. estrogen c. -HCG d. progesteronearrow_forwardFigure 18.17 Which of the following statements about hormone regulation of the female reproductive cycle is false? a. LH and FSH are produced in the pituitary, and estrogen and progesterone are produced in the ovaries. b. Estradiol and progesterone secreted from the corpus luteum cause the endometrium to thicken. c. Both progesterone and estrogen are produced by the follicles. d. Secretion of GnRH by the hypothalamus is inhibited by low levels of estrogen but stimulated by high levels of estrogen.arrow_forwardPlease answer both parts of the question.A 25-year-old woman comes to the pharmacy where you work and asks for apregnancy testing kit.a) Describe the cyclic hormonal changes AND the cyclic changes observed in the endometrium that occur during the menstrual cycle in non-pregnant women.b) Which hormone serves as the basis of standard pregnancy tests? From where is it secreted and what is its function?arrow_forward
- A 20-year-old woman with a history of irregular cycles complains of recent amenorrhea. Blood tests indicate normal glucose, but elevated gonadotropin levels, while blood and urine are negative for hCG. What is the most likely cause of the amenorrhea? Question 35 options: a) Uterine malformation b) Menopause c) Premature ovarian failure d) Polycystic ovarian syndromearrow_forwardWhich hormone is inhibited during pregnancy in order to prevent contractions of the uterus? Which two hormones promote thickening of the endometrium? Progesterone and estrog If GnRH production were blocked, what will happen? What would happen if testosterone levels get too high?arrow_forwardWhat is a potential consequence of embryonic exposure to endocrine-disrupting compounds that can bind to estrogen receptors? Select one: a. Increased growth rate and early birth b. Decrease in size of developing testes c. Increased rate of ovulation d. Decreased sperm count e. Choices B and D are correctarrow_forward
- Even though they are not a hormone, prostaglandins act in a similar way. Answer the following questions according to the diagram. a.Identify and Describe the control system that stimulates uterus contractions. b.Do the prostaglandins serve as a hormonal control system? If so, identify that system and shortly explain your answer.arrow_forwardWhich of the following statements correctly describes the function of the Sertoli cells? a. Stimulate spermatogenesis b. Support the developing sperm cells c. Control the overproduction of testosterone d. Store testosterone in the testesarrow_forwardDescribe how pregnancy tests work. What hormone are they looking for, and what effect does it have?arrow_forward
- What would happen if the trophoblast did not secrete hCG upon implantation of the blastocyst? a. The cells would not continue to divide. b. The corpus luteum would continue to produce progesterone and estrogen. c. Menses would flush the blastocyst out of the uterus. d. The uterine mucosa would not envelop the blastocyst.arrow_forwardUse the following list of reproductive hormones and structures to answer the next two questions. 1. FSH 2. LH 3. Estogent 4. Progesterone 5. GnRH 6. Follicle 7. Corpus luteum 8. Hypothalamus 9. Anterior Pituitary Gonadotropic hormones are released by the anterior pituitary to regulate the function of the gonads (testes in male and ovaries in female) Use the list to select gonadotropic hormones, the structure it stimulates in the ovaries, and the maintained hormones released by that structure as a result. ( There are two possible answers.) Record your answer as a 3 digit number from left to right in the same order as your answer from top to bottom of the list. _____ Gonadotropic Hormones _____ Structure it acts on _____ Main hormones relasedarrow_forwardWhich hormones are responsible for stimulating the mammary glands to produce and release milk after childbirth? Select all that apply. Estrogen Progesterone Prolactin Oxytocin Cortisolarrow_forward
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