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28 Cards in this Set
- Front
- Back
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The largest cell in the human body?
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ovum
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sperm is produced in the ____ and is located in the _____.
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testes, scrotum
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fertilization takes place in the
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fallopian tube
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this period consist of ____ and lasts about _____ weeks. begins at ______ and ends when the cell drifts to the ____ attaching itself
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zygote, 2, fallopian tube, uterus
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a hollow fluid filled ball...consist of inner cells called ____ and outer cells called ______
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blastocyte, embryonic, trophoblast
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between 7th and 9th day after fertilization ______ occurs.
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implantation
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this is formed by the trophoblast
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amnion
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what does the amniotic fluid help do?
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keeps temp constant, provides cushion
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this is also formed by the trophoblast by the second week
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chorion (villi, bv)
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permits food and oxygen to reach the organism and waste products to be carried away
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placenta
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delievers blood loaded with nutrients and removes waste
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umbilical cord
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period lasting from implantation through 8th week of pregnancy, most critical time
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embryo
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9th week to end of pregnancy?
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fetus
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white cheeselike substance protects the skin
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vernix
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white, downy hair called ____
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lanugo
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point at which fetus can survive called? during what week?
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age of viability, 22-26 wks
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enviornmental agent that causes damage during the prenatal period
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teratogen
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this time is when serious defects are most likely to occur
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embryoic period
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what is Rh factor imcompability?
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fetus Rh + and mom is Rh - and there blood crosses the placenta, the mom forms antibodies to the foreign Rh protein, if not taken care of it can cause death, mental retardation
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toxemia or preeclampsia also known as?
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bp increases sharply and causes swelling
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the longest stage of childbirth? contractions are very strong and frequent
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dilation effacement of the cervix stage 1
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much shorter stage, contraction continue, natural urge to squeeze
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delievery of baby second stage
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placenta is delievered
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3rd stage
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to assess newborn's physical condition they use ____ normal is ____
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Apgar scale 7 or better
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anoxia (inadequate O2 supply) causes
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cerebral palsy
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toes fan, curl at foot is
head turns to find nipple voluntary reaching |
babinski
rooting tonic neck |
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babies need how many hrs of sleep?
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16 to 18
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____ develops last within the senses
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vision
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