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30 Cards in this Set
- Front
- Back
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What are the 3 periods of physical development? When do they occur? |
Embryonic (2-8 weeks) Germinal (8-12 weeks) Fetal |
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What are the three layers of the embryo? |
Endoderm Mesoderm Ectoderm |
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Define heredity |
Process of transmitting biological traits from parent to offspring through genes. |
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Define genetics |
study of how heredity works, particularly genes |
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Define genes |
a section of DNA that carries information for the construction of or part of a protein |
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How many pairs of chromosomes do humans have? |
23 |
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What are autosomes? |
All non-sex chromosomes |
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What are sex chromosomes? |
They are the last pair of chromosomes that are the primary factor in determining gender |
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Which parent determines the sex of the child? |
the father |
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What is genetic engineering? |
the alteration of an organisms genetic instruction through insertion of additional genes |
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What are the four tests used for genetic disorders? |
Amniocentesis, ultrasound sonography, chorionic villus test, maternal blood test |
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Explain what amniocentesis is |
When a sample of amniotic fluid is withdrawn by syringe and is tetra to discover any chromosomal or metabolic disorders. Can only be done between the 12-16th weeks of pregnancy |
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Describe ultrasound sonography |
High frequency sound waves are transformed into a visual representation of the fetus inner structures |
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describe a chorionic villus test |
small sample of placenta is removed and testes. Can only be done between the 8-11th weeks of pregnancy |
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What is a maternal blood test used for? |
it is used to assess neural tube defects |
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Name the 3 moral tests we looked at |
New cases test, role exchange, universal consequences |
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Name 3 factors that can contribute to low birth rate |
Poverty, malnutrition and the mothers age |
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what are 3 conditions that may cause a baby to be born prematurely? |
environment, age, drugs |
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What are the 3 divisions of the brain? |
Hindbrain, Midbrain and Forebrain |
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What are each section of the brain responsible for? |
H= controls motor development M= relays info to eyes and ears F= thinking/languages |
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What are the 5 dimensions of temperaments? |
extroversion, agreeableness, conscientiousness, neroticism, openness |
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what are the 8 characteristics that babies differ in? |
activity level, rhythmicity, approach-withdrawl, threshold of responsiveness, quality of mood, distractability, attention span |
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what are the 3 stages of birth? |
prebirth, birth, afterbirth |
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what are the 3 strategies used in childbirth? |
Standard, Lamaze, Leboyer |
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What is precipitate delivery? |
Delivery that occurs too fast and causes a disturbance in the flow of blood to the fetus and also can cause hemorrhaging |
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What is anoxia? |
Birth that takes too long can cause insufficient oxygen to the baby which can cause brain damage. |
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What is breech? |
When the baby is going to exit bottom first as oppose to head first |
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what is a c-section? |
the surgical removal of the baby from the uterus |
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Name two alternative methods of conception |
In Vitro fertilization: ova are removed from uterus, fertilized by sperm in a lab, allowed to divide, then inserted into the uterus Gamete Intrafallopian Transfer: insertion of eggs and sperm directly into the fallopian tube |
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What are the 5 steps to promoting healthy development of a fetus? |
Abstinence from alc/drugs/tabacco before pregnancy, abstinence after 1st trimester, moderation throughout pregnancy, social support, postnatal care |
