PSY 219 Anthis Exam 2 Study Guide Questions And Answers
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Module
PSY 219
Institution
PSY 219
PSY 219 Anthis Exam 2 Study Guide Questions And Answers
What is conception?
When the sperm meets the egg
what percentage of fertilized eggs implant successfully?
50%
what percent of recognized pregnancies end in miscarriage?
15-20%
How long does each stage of prenatal development last?
germ...
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PSY 219 Anthis Exam 2 Study Guide Questions
And Answers
What is conception?
When the sperm meets the egg
what percentage of fertilized eggs implant successfully?
50%
what percent of recognized pregnancies end in miscarriage?
15-20%
How long does each stage of prenatal development last?
germinal=14 days embryonic=weeks 3-8 fetal=weeks 9-birth
how do the stages of prenatal development differ from trimesters?
different lengths each tri is about 12 weeks.
what are the differences amoung assisted reproductive technologies?
iui sperm into uterus, IVF lab conception then implanted, donor IVF donor egg lab then implant,
surrogacy different carrier
what is a teratogen?
harmful to fetus drug, disease, or environmental agent
what are the effects of different teratogens?
long-lasting effects that range from infertility, intrauterine growth restriction, structural defects,
and functional central nervous system abnormalities that may lead to fetal death
what are the effects of maternal age and maternal age?
increase in age increase in miscarriage and down syndrome; patern age over 50 increase in
schizophrenia and autism
How is postpartum depression different from the baby blues?
PPD lasts longer than the typical 2 weeks of baby blues
, How are APGAR scores computed?
2 pts per. Resperation, color, reflexes, HR, muscle tone
What is a passing APGAR score?
7
What is celiac disease?
immune reaction to gluten; genetic
What is myelin?
the fatty insulation around many axons
What is plasticity?
- Brain's ability to change and adapt to experience
- Nerve pathways used frequently develop stronger connections, rarely sued neutrons die
When is brain development completed?
never
What changes are typical for an aging brain?
-5-30% fewer neurons -thinnner myelin
What changes are not typical for an aging brain?
-memory loss, difficulty planning or solving problems, difficulty with familiar tasks, confusing time
and place, not taking care of oneself, not able to learn different things
What is a reflex?
an automatic and often inborn response to a stimulus that typically involves a nerve impulse
What are the primitive reflexes and the survival reflexes?
p: go away after 3-4 m (moro reflex) s: needed to survive blinking, rooting, breathing
What are the recommended hours of sleep for each age grade?
newborns: 16 preschool:11 14-18: 8h adults less with age
How does REM change with age?
50% newborns, 25-30%- 6m +, adults 20%
What is a developmental norm?
milestone
What are gross and fine motor skills?
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