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34 Cards in this Set
- Front
- Back
- 3rd side (hint)
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fertilized ovum develops into an organism with most of the human features.
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embyronic phase
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first 8 weeks of pregnancy
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facilitates nutrients; gas exchange between embryo/fetus and mother
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Placenta
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protective covering the develops over the skin; white cheese-like substance that adheres to the skin
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vernix caseosa
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a fine downy hair
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lanugo
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embryonic tissues
outer layer |
ectoderm
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embryonic tissues
middle layer |
mesoderm
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embryonic tissue
inner layer |
endoderm
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two umbilical arteries carry away what kind of blood
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deoxygenated
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What to take to prevent neural tube defects and how many micrograms
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Folic Acid; 400 micrograms
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what provides a safe and comfortable temperature for the fetus
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Amniotic fluid
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what is formed in the intestines from swallowed amniotic fluid
urine is excreted into the amniotic fluid when kidneys mature |
feces
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adversely affects normal cellular development i the embryo/fetus
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tratogen
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leads to microcephaly, mental retardation, learning disorders
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fetal alcohol syndrome
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most infants lose what % of their birth weight b/c of fluid loss
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5-10%
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By what month do infants reach double their birth weight
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5 months
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By what month do infants reach three times their birth rate
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12 months
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Average length of newborn
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20 in
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By 6 months, how many inches do they gain
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5.5 in
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By 12 months, how many inches do they gain
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3 inch
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Normal head circumference is about how many inches bigger than chest circumference
9-10 months the head and chest are about equal |
1 inch
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which fontanel decreases until closure occurs between 9 and 18 months
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anterior fontanel
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Which fontanel between the parietal bones and the occipital bone closes between 2 and 3 months after birth
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posterior fontanel
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by what month has depth perception fully developed
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12 months
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What reflex: startle to a loud noise; both arms extend and legs outward with fingers spread; then retracting limbs
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Moro reflex
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what reflex: infants lips are touch
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sucking reflex
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What reflex: touching the baby's check and baby's head turns to side
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Rooting reflex
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What reflex: small object placed against the palm of the hand; fingers to curl around it; disappears 3-6 months
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Palmar grasp reflex
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What reflex: objects placed beneath toes causes them to curl around. Diseappears 8 to 10 months.
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Plantar reflex
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What reflex: head turned to right side and left side of body shows flexing
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Tonic neck reflex
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What reflex: holding baby upright so feet touch flat surface and legs move u and down like walking
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Stepping reflex
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What reflex:sole of foot is stroked, the toe rises and the other toe fans out
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Babinski reflex
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a positive after one can be motor neuron damage
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infant to 12 months: Erikson Develop
depend on parent; fulfillment of needs being sensitive to their needs meeting needs promptly responding consistently |
trust versus mistrust
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Cognitive Development: Piaget
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Sensorimotor
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4 months: perceptual recognition
6 months: remember certain objects and look for them for a short time. 12 months: concept of both space and time |
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Moral Development:
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associate right and wrong with pleasure and pain.
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