CAMPBELL'S BIOLOGY 12E PERUSALL
12th Edition
ISBN: 9780135858080
Author: Urry
Publisher: PERUSALL
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 46.5, Problem 1CC
Summary Introduction
To explain: The function of hCG in pregnancy and its use in early pregnancy testing, but not in late pregnancy.
Concept introduction: Earlier pregnancy is controlled by the human chorionic gonadotropin (hCG) hormone that maintains the production of progesterone and estrogens by corpus luteum. Late pregnancy is controlled by the progesterone hormone.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
Why does testing for hCG (human chorionic gonadotropin)work as a pregnancy test early in pregnancy but not late inpregnancy? What is the function of hCG in pregnancy?
hCG, estrogen and progesterone are hormones that are secreted throughout pregnancy. Answer the following questions about these hormones.1) Identify the structure that initially secretes hCG 2) Describe the function of hCG and identify the trimester where the hCG level is the highest 3) What are the roles of estrogen & progesterone in pregnancy 4) What structure initially secretes estrogen & progesterone? 5) What structure takes over the role of secreting hCG, estrogen & progesterone in the second and third trimesters?
hCG, estrogen and progesterone are hormones that are secreted throughout pregnancy. Answer the following questions about these hormones.
1) What structure initially secretes estrogen & progesterone? 2)What structure takes over the role of secreting hCG, estrogen & progesterone in the second and third trimesters?
Chapter 46 Solutions
CAMPBELL'S BIOLOGY 12E PERUSALL
Ch. 46.1 - Compare and contrast the outcomes of asexual and...Ch. 46.1 - Parthenogenesis is the most common form of asexual...Ch. 46.1 - WHAT IF? If a hermaphrodite self-fertilizes, will...Ch. 46.1 - Prob. 4CCCh. 46.2 - How does internal fertilization facilitate life on...Ch. 46.2 - What mechanisms have evolved in animals with (a)...Ch. 46.2 - MAKE CONNECTIONS What are the shared and distinct...Ch. 46.3 - Why might frequent use of a hot tub make it harder...Ch. 46.3 - Prob. 2CCCh. 46.3 - WHAT IF? If each vas deferens in a male was...
Ch. 46.4 - How are the functions of FSH and LH in females and...Ch. 46.4 - How does an estrous cycle differ from a menstrual...Ch. 46.4 - WHAT IF? If a human female begins taking...Ch. 46.4 - Prob. 4CCCh. 46.5 - Prob. 1CCCh. 46.5 - In what ways are tubal ligation and vasectomy...Ch. 46.5 - Prob. 3CCCh. 46 - Would a pair of haploid offspring produced by...Ch. 46 - Identify which of the following, if any, are...Ch. 46 - How does the difference in size and cellular...Ch. 46 - Prob. 46.4CRCh. 46 - Prob. 46.5CRCh. 46 - Prob. 1TYUCh. 46 - In male mammals, excretory and reproductive...Ch. 46 - Prob. 3TYUCh. 46 - Prob. 4TYUCh. 46 - Prob. 5TYUCh. 46 - Prob. 6TYUCh. 46 - Prob. 7TYUCh. 46 - Prob. 8TYUCh. 46 - DRAW IT In human spermatogenesis, mitosis of a...Ch. 46 - Prob. 10TYUCh. 46 - SCIENTIFIC INQUIRY You discover a new egg-laying...Ch. 46 - WRITE ABOUT A THEME: ENERGY AND MATTER In a short...Ch. 46 - SYNTHESIZE YOUR KNOWLEDGE A female Komodo dragon...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- List the major placental hormones and their primary roles in pregnancy. What is the primary basis for maternal pituitary enlargement during pregnancy?arrow_forwardQuestion:- There are specific critical periods during fetal development in which any damage caused to the fetus from malnutrition or exposure to toxins is irreversible. When do these periods occur? a) 3rd trimester b) 1st trimester c) 2nd trimester d) only at week 12 e) there are no critical periodsarrow_forwardPlease can you explain leptin and how it works at the cellular level? Where is it stored? Can too much leptin affect a pregnancy in any way?arrow_forward
- During the early stages of family planning, a client asks their nurse how over the counter pregnancy tests work. The most appropriate explanation is that the pregnancy test detects the presence of _______ in the urine. Question 22 options: a) Gonadotropin releasing hormone (GnRH) b) Human chorionic gonadotropin (hCG) c) Progesterone d) Luteinizing hormone (LH)arrow_forwardKen Doll isn't very smart. He and Barbie are not trying to have a baby. Ken is confused about a few details and asked his friend GI Joe why Barbie became pregnant. "Look, we did the deed on Monday and she didn't ovulate until Thursday. I should have been safe and my 'little swimmers' should have been out of there by then." How should GI Joe explain the necessary information to Ken?arrow_forwardWhat is the state of gonadotropin secretion during pregnancy,and what is the cause?arrow_forward
- Which of the following rows indicates this pregnancy hormone and the correct location of production? A. Hormone - Human chorionic gonadotropin, Location of production up until 10 weeks - Trophoblast, Location of production after 10 weeks - Placenta B. Hormone - Human chorionic gonadotropin, Location of production up until 10 weeks - Embryo, Location of production after 10 weeks - Fetus C. Hormone - Progesterone, Location of production up until 10 weeks - Ovary, Location of production after 10 weeks - Placenta D. Hormone - Progesterone, Location of production up until 10 weeks - Trophoblast, Location of production after 10 weeks - Placentaarrow_forwardA pregnant patient who is at 32 weeks’ gestation has a cold and calls the office to ask about taking an over-the-counter medication that is rated as pregnancy category A. Which answer by the nurse is correct?a) “This drug causes problems in the human fetus, so you should not take this medication.”b) “This drug may cause problems in the human fetus, but nothing has been proven in clinical trials. It is best not to take this medication.”c) “This drug has not caused problems in animals, but no testing has been done in humans. It is probably safe to take.”d) “Studies indicate that there is no risk to the human fetus, so it is okay to take this medication as directed if you need it.”arrow_forwardRetinoic acid is the main component of Tretinoin, an anti-cancer chemotherapy drug. Retinoic acid is also a known teratogen which can cause congenital anomalies in eyes, ears, hearts, lungs, limbs, and many other organ systems. Based on the organ systems that are impacted by exposure to retinoic acid, during which of the following trimesters of pregnancy are developing humans most susceptible to the teratogenic effects of retinoic acid? aFirst trimester b.Second trimester c.Third trimesterarrow_forward
- Describe the role of pregnancy hormones during human pregnancy. What hormones prepare the mammary glands for lactation and what hormones continue to be important during this process?arrow_forwardA 20-year-old patient is currently 10 weeks pregnant. She had a miscarriage at 13 weeks 1 year ago. What is her GPTPAL? GIP0 (0-0-1-0) G2P0 (0-0-1-0)arrow_forwardA 27-year-old patient is currently 26 weeks pregnant. She has a 3-year-old son who was born at 38 weeks and she had a miscarriage at 10 weeks. What is her GPTPAL? G3P2(1-0-1-1) G3P1 (0-0-1-1)arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Principles Of Radiographic Imaging: An Art And A ...Health & NutritionISBN:9781337711067Author:Richard R. Carlton, Arlene M. Adler, Vesna BalacPublisher:Cengage LearningSurgical Tech For Surgical Tech Pos CareHealth & NutritionISBN:9781337648868Author:AssociationPublisher:Cengage
Principles Of Radiographic Imaging: An Art And A ...
Health & Nutrition
ISBN:9781337711067
Author:Richard R. Carlton, Arlene M. Adler, Vesna Balac
Publisher:Cengage Learning
Surgical Tech For Surgical Tech Pos Care
Health & Nutrition
ISBN:9781337648868
Author:Association
Publisher:Cengage