Campbell Biology
12th Edition
ISBN: 9780135188743
Author: Urry
Publisher: PEARSON
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Chapter 46, Problem 46.5CR
Summary Introduction
To explain: The route followed by oxygen in the mother’s blood to arrive at the fetus.
Concept introduction: The nutrient supply, exchange of gases such as oxygen and carbondioxide, and disposal of
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Which statement regarding fetal/maternal circulation is correct?
Question 25 options:
a)
Two arteries in the umbilical cord carry deoxygenated blood and waste products away from the fetus to the placenta
b)
Two veins in the umbilical cord carry blood that is high in carbon dioxide and other waste products away from the fetus to the placenta
c)
Two arteries carry freshly oxygenated blood and nutrient-rich blood back from the placenta to the fetus
d)
One artery carries freshly oxygenated blood and nutrient-rich blood back from the placenta to the fetus
Why is Fetal Hemoglobin Required for Placental Animal Survival?
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Chapter 46 Solutions
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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- why should a nursing student know the prevalence of premature rupture of membranes in adolescent pregnancy and adult pregnancy?arrow_forwardSome expensive home pregnancy tests claim to detect hCG as early as 5 days after conception ( when hCG are barely there). With the knowledge of how pregnancy tests work, please describe how a pregnancy test manufacturer could create such ultra sensitive test?arrow_forwardpig fetus Describe how the developing fetus exchanges material during pregnancy.arrow_forward
- Amniotic fluid serves to cushion the fetus from abdominal trauma and facilitate fetal movement in utero to name a few functions. What statement concerning oligohydramnious is correct? Question 38 options: a) This condition is associated with maternal hypertension b) This condition can lead to compression of the umbilical cord c) This condition is due to an excess of amniotic fluid d) This condition is associated with maternal GDMarrow_forwardDo the mother and the fetus exchange cells through the placenta?arrow_forwardWhy is vitamin K given to newborns upon delivery? What happens if the newborn does not get the injection?arrow_forward
- What conditions affecting allostery are involved with O2 transfer between maternal and fetal hemoglobin?arrow_forwardThe fetal period is (a) from weeks 9–38, (b) the time of rapid growth of body organs, (c) a time of cell differentiation, (d) all of the above, (e) none of the above.arrow_forwardA woman gave birth to her baby at 26 weeks. Upon delivery, the doctor noticed that the baby showed signs of severe shortness of breath and its skin was blue. What is the cause of the baby’s symptoms – motivate your answer? What advice would you give the doctor to treat the baby? Are there any risks for the baby that are associated with the treatment you propose to the doctor?arrow_forward
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