Essentials of Human Anatomy & Physiology & Laboratory Manual with Pearson eText -- ValuePack
1st Edition
ISBN: 9780133877151
Author: Elaine N. Marieb
Publisher: PEARSON
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Textbook Question
Chapter 16, Problem 11MC
The outer layer of the blastocyst, which attaches to the uterine wall, is the
a. yolk sac.
c. amnion.
b. inner cell mass.
d. trophoblast.
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Which of the following statements is NOT correct about the umbilical cord?
a. The umbilical cord is formed from the yolk sac and the allantois.
b. The umbilical cord is formed from the chorion.
c. The umbilical cord consists of two arteries and one vein.
d. The placenta connects to the embryon via the umbilical cord.
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.
The surface that enables active and passive exchange between the fetal and maternal bloodstreams is the (a) yolk stalk. (b) chorionic villi. (c) umbilical veins. (d) umbilical arteries.
Chapter 16 Solutions
Essentials of Human Anatomy & Physiology & Laboratory Manual with Pearson eText -- ValuePack
Ch. 16 - More than one choice may apply.
1. Which of the...Ch. 16 - 2. In terms of development, which of these pairs...Ch. 16 - Prob. 3MCCh. 16 - Prob. 4MCCh. 16 - The approximate area between the anus and clitoris...Ch. 16 - 6. Which of the following attach to the...Ch. 16 - Prob. 7MCCh. 16 - Prob. 8MCCh. 16 - More than one choice may apply. Which of the...Ch. 16 - After ovulation, the ruptured follicle a....
Ch. 16 - The outer layer of the blastocyst, which attaches...Ch. 16 - Prob. 12MCCh. 16 - During human embryonic development, organogenesis...Ch. 16 - What are the endocrine and exocrine functions of...Ch. 16 - Prob. 15SAECh. 16 - How does semen provide an ideal environment for...Ch. 16 - Prob. 17SAECh. 16 - Prob. 18SAECh. 16 - 19. How does enlargement of the prostate interfere...Ch. 16 - What is the function of the acrosome?Ch. 16 - Prob. 21SAECh. 16 - 22. Explain why a man’s sexual responsiveness and...Ch. 16 - Prob. 23SAECh. 16 - Prob. 24SAECh. 16 - 25. Name the structures of the female duct system,...Ch. 16 - Prob. 26SAECh. 16 - Prob. 27SAECh. 16 - Prob. 28SAECh. 16 - Prob. 29SAECh. 16 - List and describe the events of the menstrual...Ch. 16 - Prob. 31SAECh. 16 - Prob. 32SAECh. 16 - Prob. 33SAECh. 16 - Prob. 34SAECh. 16 - Prob. 35SAECh. 16 - What is the indifferent stage of embryonic...Ch. 16 - Prob. 37SAECh. 16 - 38. Compare the effects of aging on the male and...Ch. 16 - Prob. 39CAQCh. 16 - Prob. 40CAQCh. 16 - James has been home from university over the...
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- The birth starts thanks to increased ... a) ... stretching of the uterine muscles. b) ... release of oxytocin. c) ... release of glucocorticoids from the fetus. d) ... release of estrogen from the placenta.arrow_forwardWhich of the following is required for successful fetal development after the egg has been fertilized? a) That the corpus luteum remains throughout the pregnancy b) Production of estrogen (estradiol) and progesterone from the placenta c) Release of hCG (human chorionic gonatotropin) from the placentaarrow_forwardWhat do the inner and outer surfaces of the placenta consist of? a) amniotic tissue and corpus luteum b) chorion and uterine tissue c) amniotic tissue and blastocyst d) corpus luteum and chorionarrow_forward
- Into which structures do the trophoblast cells of the developing embryo, differentiate? a) The developing foetus b) The yolk sac c) The placenta d) The blood vessels e) All of the abovearrow_forwardDuring the embryonic developmen, the trophoblast will developed into Select one: A. The embryonic disc B. The chorion C. The amnion and amniotic cavity D. The yolk sacarrow_forwardWhich of the following statements is NOT correct about the umbilical cord? Select one: a. The umbilical cord is formed from the chorion. b. The placenta connects to the embryon via the umbilical cord. c. The umbilical cord consists of two arteries and one vein. d. The umbilical cord is formed from the yolk sac and the allantois.arrow_forward
- Which of the following statements is incorrect?a. The placenta secretes hormones such as progesterone, hCG, and estrogen.b. Embryonic tissue and maternal tissue forms the placenta.c. The chorion supplies nutrients to the embryo by diffusion.d. The umbilical cord is formed by one artery and two veinsarrow_forwardFor the first 8 weeks of gestation, a conceptus is nourished mainly by a. The placenta. b. Amniotic fluid. c. Colostrum. d. Decidual cells. e. Yolk cytoplasmarrow_forwardThe placenta function to Select one: A. Produce blood cells B. Provide nutrition for the growing fetus C. Exchange nutrients and wastes D. Creat amniotic fluidarrow_forward
- Which of the following statements is not true about the placenta? A. It provides exchange of wastes and nutrients between the mother and the fetus. B. It develops by the third month of gestation. C. It allows transfer of maternal immunoglobulin D. It allows passage of bacteria and virus. -Provide explanationarrow_forwardThe umbilical cord connects the developing fetus to thea. mother’s belly button.b. placenta.c. cervix of the mother.d. amnion.arrow_forwardThe uterus rises out of the pelvis and becomes an abdominal organ about the: a. Eighteenth weeks of pregnancy b. Eight week of pregnancy c. Tenth week of pregnancy d. Twelfth week of pregnancyarrow_forward
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