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PreNatal Quiz

QuestionAnswer
Age of Viability the point where the fetus could survive outside the womb
What are the 3 stages of prenatal development? Germinal, Embryonic, Fetal
Explain the difference between fraternal and identical twins. Fraternal are two separate eggs, identical are the same egg that split
What stage is the most critical during prenatal development and why? Embryonic Stage because all body systems develop (about weeks – 9 weeks)
List 3-4 milestones that happen during the fetal stage. During month 3, the baby's heartbeat can be heard Between month 4 and 5, the mother will feel the baby begin to move (called quickening) During the 7th month, the fetus reaches the Age of Viability Month 9 – Fetus receives immunities from the mother
What are the functions of the placenta? nourish remove waste exchange gasses provide hormones
How many chromosomes does each person have? 46 - 23 from mother and 23 from father
What are the names for the male and female germ cells? Male – sperm Female - ovum
What is conception? the joining of a male and female germ cell
What replaces cartilage during the fetal stage? Bones
What is a fetus? term for the baby from nine weeks until birth
What is the umbilical cord? grows from developing child from what will be the navel
What is the sac called that forms around the baby to protect it? Amnion sac
What are the definitions for Genetic Factors and Chromosomes? Genetic Factor - traits passed through genes Chromosomes - carry genes in the cells and contain the information to make each being who they are
What is the fertilized egg called? Zygote
What is the term for when an egg is released from the ovaries? Ovum
How often do twins occur in America? 1 in every 35
During what stage does the heart start to beat? Fetal
After about how many months does a woman begin to show in her belly? Month 4
Where are the ovum/eggs stored? Ovaries
How long does the zygote remain one cell before it begins to divide? 1 day
Where does the ball of cells implant itself into to begin pregnancy? Lining of Uterus
Created by: bat_1408
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