Anatomy & Physiology
Anatomy & Physiology
1st Edition
ISBN: 9781938168130
Author: Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble
Publisher: OpenStax College
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Chapter 28, Problem 14RQ

The placenta is formed from ________.

  1. the embryo’s mesenchymal cells
  2. the mother’s endometrium only
  3. the mother’s endometrium and the embryo’s chorionic membrane
  4. the mother’s endometrium and the embryo’s umbilical cord

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The placenta is formed from ________.a. the embryo’s mesenchymal cellsb. the mother’s endometrium onlyc. the mother’s endometrium and the embryo’schorionic membraned. the mother’s endometrium and the embryo’sumbilical cord
Emily and her husband are thrilled as they peer into Emily's uterus by means of an ultrasound. The physician reports that the pregnancy appears normal and that their baby's organs, spine, and arms and legs are developing as expected. Given this information, the current stage of prenatal development is the  embryonic period germinal period zygotic period fetal stage placenta
Placenta is the structure formed : by fusion of germ layers by foetus only by the union of foetal and uterine tissue by uterine only

Chapter 28 Solutions

Anatomy & Physiology

Ch. 28 - Which primary germ layer gave rise to the cells...Ch. 28 - What would happen if the trophoblast did not...Ch. 28 - During what process does the amnion envelop the...Ch. 28 - The placenta is formed from ________. the embryos...Ch. 28 - The foramen ovale causes the fetal circulatory...Ch. 28 - What happens to the urine excreted by the fetus...Ch. 28 - During weeks 9–12 of fetal development,...Ch. 28 - Progesterone secreted by the placenta suppresses...Ch. 28 - Which of the following is a possible culprit of...Ch. 28 - How does the decrease in progesterone at the last...Ch. 28 - Which of these fetal presentations is the easiest...Ch. 28 - Which of these shunts exists between the right and...Ch. 28 - Why is brown fat important? It is the newborns...Ch. 28 - Constriction of umbilical blood vessels during...Ch. 28 - Alveoli are connected to the lactiferous sinuses...Ch. 28 - How is colostrum most important to a newborn? It...Ch. 28 - Mature breast milk ________. has more sodium than...Ch. 28 - Marfan syndrome is inherited in an autosomal...Ch. 28 - In addition to codominance, the ABO blood group...Ch. 28 - Zoe has cystic fibrosis. Which of the following is...Ch. 28 - Darcy and Raul are having difficulty conceiving a...Ch. 28 - Sherrise is a sexually active college student. On...Ch. 28 - Approximately 3 weeks after her last menstrual...Ch. 28 - The Food and Nutrition Board of the Institute of...Ch. 28 - What is the physiological benefit of incorporating...Ch. 28 - Why would a premature infant requite supplemental...Ch. 28 - Devin is 35 weeks pregnant with her first child...Ch. 28 - Janine is 41 weeks pregnant with her first child...Ch. 28 - Describe how the newborns fust breath alters the...Ch. 28 - Newborns are at much higher risk for dehydration...Ch. 28 - Describe the transit of breast milk from...Ch. 28 - A woman who stopped breastfeeding suddenly is...Ch. 28 - Explain why it was essential that Mendel perform...Ch. 28 - How can a female carrier of an X-linked recessive...
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