1354_Veal_m2 - 1 MODULE 2 CHAPTERS 3-4(95 points total...

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1 MODULE 2 – CHAPTERS 3-4 ( 95 points total) Answers are to come directly from the Berk textbook. Include page numbers in the text to show where your answers were found. The gray boxes are available for you to highlight and type right in. One point will be awarded for each correct answer. REVIEW – Chapter 3 Prenatal Development List three advantages and three disadvantages of parenthood mentioned by North American couples. Description Answer Page # 1. Advantage Fulfilling a partner’s desire for parenthood 93 2. Advantage Nurturing a new person and personality 93 3. Advantage Giving and receiving warmth and affection, providing care and teaching 93 4. Disadvanta ge Fear that children will turn out badly, through no fault of one’s own 93 5. Disadvanta ge Reduced time to spend with partner 93 6. Disadvanta ge Loss of privacy 93 PRENATAL DEVELOPMENT Complete the following sentences by finding the missing word: Description Missing Word Page # 7. Approximately once every 28 days, an ovum is released from one of a woman’s two __________. Ovaries 95 8. The ovum travels through one of the two ___________. These are long, thin structures that lead to the uterus. Fallopian tubes 95 9. The male produces vast numbers of sperm in the __________, two glands located in the scrotum. Testes 95 10. The ___________ permits food and oxygen to reach the developing organism and waste products to be carried away. Placenta 97 11. The white, cheese-like substance that protects the skin from chapping in the amniotic fluid is called __________. vernix 99 12. __________ is a white, downy hair that covers the entire body of the fetus. lanugo 99 13. The age at which the baby can first survive if born early is called the age of __________. Age of viability 99 14. This typically occurs at ____________. 22 to 26 weeks 99 Describe the following three periods of prenatal development: Prenatal Period Description Page # 15. Period of the Zygote The germinal period lasts about two weeks, from the fertilization and formation of the zygote until the tiny mass of cells drifts 97
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2 down and out of the fallopian tube and attaches itself to the wall of the uterus. 16. Period of the Embryo It last from implantation through the eight week of pregnancy. During these brief six weeks, the most rapid prenatal changes take place, as the groundwork is laid for all body structures and internal organs. 98 17. Period of the Fetus Is the longest prenatal period. During this growth and finishing phase the developing organism increase rapidly in size especlly from the ninth to the twentieth week. 99 PRENATAL ENVIRONMENTAL INFLUENCES Define the term teratogen, and describe four factors that affect the impact of teratogens on prenatal development. Term Description Page # 18. Teratoge n Refers to any environmental agent that causes damage during the prenatal period. 101 19. Factor Dose - larger doses over longer time periods usually have more negative effects.
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