1. Chapter 28 - Pregnancy and Human Development
Early Embryonic Development
Late Embryonic Development
Pregnancy and Fetal Development
Fertilization
Birth
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FINAL ROUND

2. Fertilization: $100 Question
A fertilized egg is also called a(n):
a. gamete.
b. gastrula.
c. oocyte.
d. zygote.
ANSWER
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3. Fertilization: $100 Answer
A fertilized egg is also called a(n):
a. gamete.
b. gastrula.
c. oocyte.
d. zygote.
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4. Fertilization: $200 Question
When, in the female, is meiosis II completed?
a. At birth
b. During embryonic development
c. At fertilization
d. At puberty
ANSWER
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5. Fertilization: $200 Answer
When, in the female, is meiosis II completed?
a. At birth
b. During embryonic development
c. At fertilization
d. At puberty
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6. Fertilization: $300 Question
Capacitation refers to:
a. changes occurring in sperm before fertilization.
b. changes occurring in sperm during fertilization.
c. changes occurring in oocytes before fertilization.
d. changes occurring in oocytes after fertilization.
ANSWER
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7. Fertilization: $300 Answer
Capacitation refers to:
a. changes occurring in sperm before fertilization.
b. changes occurring in sperm during fertilization.
c. changes occurring in oocytes before fertilization.
d. changes occurring in oocytes after fertilization.
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8. Fertilization: $400 Question
The ovulated oocyte is surrounded by an outer capsule called the:
a. acrosome.
b. corona radiata.
c. morula.
d. alpha protein.
ANSWER
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9. Fertilization: $400 Answer
The ovulated oocyte is surrounded by an outer capsule called the:
a. acrosome.
b. corona radiata.
c. morula.
d. alpha protein.
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10. Fertilization: $500 Question
Monospermy is assured by the release of:
a. beta proteins.
b. calcium.
c. iron.
d. alpha proteins.
ANSWER
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11. Fertilization: $500 Answer
Monospermy is assured by the release of:
a. beta proteins.
b. calcium.
c. iron.
d. alpha proteins.
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12. Early Embryonic Development: $100 Question
Which of the following is in the correct chronological order?
a. Zygote, morula, blastocyst
b. Zygote, blastocyst, morula
c. Blastocyst, morula, zygote
d. Morula, zygote, blastocyst
ANSWER
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13. Early Embryonic Development: $100 Answer
Which of the following is in the correct chronological order?
a. Zygote, morula, blastocyst
b. Zygote, blastocyst, morula
c. Blastocyst, morula, zygote
d. Morula, zygote, blastocyst
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14. Early Embryonic Development: $200 Question
The end result of cleavage is a:
a. blastomere.
b. blastocyst.
c. morula.
d. gastrula.
ANSWER
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15. Early Embryonic Development: $200 Answer
The end result of cleavage is a:
a. blastomere.
b. blastocyst.
c. morula.
d. gastrula.
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16. Early Embryonic Development: $300 Question
The embryo implants in the uterus as a:
a. zygote.
b. blastocyst.
c. morula.
d. gastrula.
ANSWER
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17. Early Embryonic Development: $300 Answer
The embryo implants in the uterus as a:
a. zygote.
b. blastocyst.
c. morula.
d. gastrula.
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18. Early Embryonic Development: $400 Question
After fertilization a loose collection of cells forms in the uterine tube. This cluster of cells is called a:
a. blastomere.
b. blastocyst.
c. morula.
d. trophoblast.
ANSWER
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19. Early Embryonic Development: $400 Answer
After fertilization a loose collection of cells forms in the uterine tube. This cluster of cells is called a:
a. blastomere.
b. blastocyst.
c. morula.
d. trophoblast.
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20. Early Embryonic Development: $500 Question
Which of the following develops into the embryonic disc?
a. Cytotrophoblast
b. Syncytiotrophoblast
c. Inner cell mass
d. Zona pellucida
ANSWER
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21. Early Embryonic Development: $500 Answer
Which of the following develops into the embryonic disc?
a. Cytotrophoblast
b. Syncytiotrophoblast
c. Inner cell mass
d. Zona pellucida
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22. Late Embryonic Development: $100 Question
Which extraembryonic membrane contributes to the formation of the placenta?
a. Allantois
b. Amnion
c. Chorion
d. Yolk sac
ANSWER
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23. Late Embryonic Development: $100 Answer
Which extraembryonic membrane contributes to the formation of the placenta?
a. Allantois
b. Amnion
c. Chorion
d. Yolk sac
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24. Late Embryonic Development: $200 Question
The notochord develops from the:
a. endoderm.
b. mesoderm.
c. ectoderm.
d. chorion.
ANSWER
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25. Late Embryonic Development: $200 Answer
The notochord develops from the:
a. endoderm.
b. mesoderm.
c. ectoderm.
d. chorion.
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26. Late Embryonic Development: $300 Question
Which extraembryonic membrane contributes to the formation of the umbilical cord?
a. Allantois
b. Amnion
c. Chorion
d. Yolk sac
ANSWER
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27. Late Embryonic Development: $300 Answer
Which extraembryonic membrane contributes to the formation of the umbilical cord?
a. Allantois
b. Amnion
c. Chorion
d. Yolk sac
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28. Late Embryonic Development: $400 Question
The neural tube and neural crest cells develop from the:
a. endoderm.
b. mesoderm.
c. ectoderm.
d. notoderm.
ANSWER
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29. Late Embryonic Development: $400 Answer
The neural tube and neural crest cells develop from the:
a. endoderm.
b. mesoderm.
c. ectoderm.
d. notoderm.
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30. Late Embryonic Development: $500 Question
All of the following develop from somites except:
a. vertebrae.
b. skeletal muscles.
c. the dermis.
d. the heart.
ANSWER
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31. Late Embryonic Development: $500 Answer
All of the following develop from somites except:
a. vertebrae.
b. skeletal muscles.
c. the dermis.
d. the heart.
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32. Pregnancy and Fetal Development: $100 Question
All of the following are metabolic changes that occur in pregnant women except:
a. increase in metabolic rate.
b. negative calcium balance.
c. metabolize more fatty acids.
d. hPL helps breast maturation for lactation.
ANSWER
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33. Pregnancy and Fetal Development: $100 Answer
All of the following are metabolic changes that occur in pregnant women except:
a. increase in metabolic rate.
b. negative calcium balance.
c. metabolize more fatty acids.
d. hPL helps breast maturation for lactation.
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34. Pregnancy and Fetal Development: $200 Question
At the time of birth the uterus has enlarged to the level of the:
a. diaphragm.
b. kidneys.
c. xiphoid process.
d. twelfth rib.
ANSWER
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35. Pregnancy and Fetal Development: $200 Answer
At the time of birth the uterus has enlarged to the level of the:
a. diaphragm.
b. kidneys.
c. xiphoid process.
d. twelfth rib.
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36. Pregnancy and Fetal Development: $300 Question
Nutrients are carried from the placenta to the fetus by the:
a. umbilical artery.
b. umbilical vein.
c. ductus arteriosus.
d. ductus venosus.
ANSWER
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37. Pregnancy and Fetal Development: $300 Answer
Nutrients are carried from the placenta to the fetus by the:
a. umbilical artery.
b. umbilical vein.
c. ductus arteriosus.
d. ductus venosus.
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38. Pregnancy and Fetal Development: $400 Question
Chadwick’s sign refers to what changes during pregnancy?
a. Increased pigmentation of facial skin
b. Darkening of the areola
c. Purplish hue of the vagina
d. Lordosis and flaring of the ribs
ANSWER
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39. Pregnancy and Fetal Development: $400 Answer
Chadwick’s sign refers to what changes during pregnancy?
a. Increased pigmentation of facial skin
b. Darkening of the areola
c. Purplish hue of the vagina
d. Lordosis and flaring of the ribs
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40. Pregnancy and Fetal Development: $500 Question
In the developing fetus all body systems are present by:
a. 8 weeks.
b. 12 weeks.
c. 20 weeks.
d. 40 weeks.
ANSWER
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41. Pregnancy and Fetal Development: $500 Answer
In the developing fetus all body systems are present by:
a. 8 weeks.
b. 12 weeks.
c. 20 weeks.
d. 40 weeks.
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42. c. the sympathetic nervous system.
Birth: $100 Question
During late pregnancy and during labor, the release of oxytocin is regulated by:
a. negative feedback.
b. positive feedback.
c. the sympathetic nervous system.
d. the parasympathetic nervous system.
ANSWER
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43. c. the sympathetic nervous system.
Birth: $100 Answer
During late pregnancy and during labor, the release of oxytocin is regulated by:
a. negative feedback.
b. positive feedback.
c. the sympathetic nervous system.
d. the parasympathetic nervous system.
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44. Which hormone is responsible for the milk letdown reflex?
Birth: $200 Question
Which hormone is responsible for the milk letdown reflex?
a. Prolactin
b. Oxytocin
c. Relaxin
d. Progesterone
ANSWER
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45. Which hormone is responsible for the milk letdown reflex?
Birth: $200 Answer
Which hormone is responsible for the milk letdown reflex?
a. Prolactin
b. Oxytocin
c. Relaxin
d. Progesterone
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46. The infant’s head enters the true pelvis during this stage of labor.
Birth: $300 Question
The infant’s head enters the true pelvis during this stage of labor.
a. Crowning
b. Effaces
c. Engagement
d. Presentation
ANSWER
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47. The infant’s head enters the true pelvis during this stage of labor.
Birth: $300 Answer
The infant’s head enters the true pelvis during this stage of labor.
a. Crowning
b. Effaces
c. Engagement
d. Presentation
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48. Birth: $400 Question
Which hormone stimulates the formation of oxytocin receptors on the uterus?
a. Relaxin
b. Progesterone
c. Estrogen
d. Prostaglandins
ANSWER
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49. Birth: $400 Answer
Which hormone stimulates the formation of oxytocin receptors on the uterus?
a. Relaxin
b. Progesterone
c. Estrogen
d. Prostaglandins
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50. The ligamentum teres is the remnant of the:
Birth: $500 Question
The ligamentum teres is the remnant of the:
a. umbilical arteries.
b. umbilical vein.
c. ductus venosus.
d. ductus arteriosus.
ANSWER
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51. The ligamentum teres is the remnant of the:
Birth: $500 Answer
The ligamentum teres is the remnant of the:
a. umbilical arteries.
b. umbilical vein.
c. ductus venosus.
d. ductus arteriosus.
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52. FINAL ROUND Question
After successful implantation has occurred, the corpus luteum is maintained by a hormone that is secreted by the trophoblast cells called:
a. FSH.
b. hCG.
c. hCT.
d. hPL.
ANSWER
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53. FINAL ROUND Answer
After successful implantation has occurred, the corpus luteum is maintained by a hormone that is secreted by the trophoblast cells called:
a. FSH.
b. hCG.
c. hCT.
d. hPL.
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