Essentials of Human Anatomy and Physiology - Package
11th Edition
ISBN: 9780134595276
Author: Marieb
Publisher: PEARSON
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Textbook Question
Chapter 16, Problem 13MC
During human embryonic development, organogenesis occurs
a. during the first trimester.
b. during the second trimester.
c. during the third trimester.
d. just before birth.
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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 veins
Which 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.
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.
Chapter 16 Solutions
Essentials of Human Anatomy and Physiology - Package
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 beginning of brain and spinal cord formation is termeda. cephalocaudal folding.b. organogenesis.c. neurulation.d. gastrulation.arrow_forwardInto 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_forward
- Which 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_forwardAt what stage of embryonic development does implantation occur? a) Before fertilisation b) At the blastocyst stage c) After cell division has occurred d) At the end of the first trimester e) During the 8 cell stagearrow_forwardThe feature that distinguishes a fetus from an embryo is that the fetus has a. All of the organ systems. b. Three germ layers. c. A placenta. d. An amnion. e. Arm and leg buds.arrow_forward
- The stage of prenatal development in which there is rapid growth and all of the organ systems are fully functional is referred to as the a.)first trimester b.)second trimester c.)third trimester d.)zygote phasearrow_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_forwardWhich 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_forward
- The inner cell mass of a human blastocysta. gives rise to the chorion.b. gives rise to the placenta.c. gives rise to the embryo.d. consists of highly differentiated cells.arrow_forwardIn human beings, after fertilisation, the structure which gets embedded in the wall of uterus is: (a) ovum (b) embryo (c) foetus (d) zygotearrow_forwardDuring embryonic development, unique cell layers develop into specific groups of tissues or organs during a stage called ________. a. the blastula stage b. the germ layer stage c. the gastrula stage d. the organogenesis stagearrow_forward
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