PEARSON ETEXT FOR CAMPBELL BIOLOGY
12th Edition
ISBN: 9780135988046
Author: Urry
Publisher: PEARSON
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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.
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Students 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?
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)
Question:-
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 periods
Chapter 46 Solutions
PEARSON ETEXT FOR CAMPBELL BIOLOGY
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...
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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
- Ken 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_forwardWhy does HDN usually not develop in the first pregnancy?arrow_forward
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- Suppose that in the near future, you are a prenatal care provider. In the most recent ultrasound checkup on the expecting mother, you unfortunately found that the fetus is suffering a neural tube defect in the form of anencephaly. Seeing as the mother is still in the 12th week of pregnancy or the 1st trimester, the pregnancy can still be terminated via medical means. How would you explain to the parents the situation they are in?arrow_forwardHow do hormonal tests todetect pregnancy work?arrow_forwardWhat would happen if human chorionic gonadotropin levels did not rise adequately during pregnancy?arrow_forward
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