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BIOD 121 Module 6 with complete verified solutions already graded A+.
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BIOD 121 Module 6 with complete verified solutions already graded A+.
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BIOD 121 Module 6 with completeverified solutions already graded
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Healthy pregnancy - answer adequate intake of vitamins and minerals
healthy body weight
controlling existing health conditions
avoidance of teratogens
Teratogens - answer compounds that can increase the risk of a birth
defect
caffeine, drugs, alcohol, and tobacco.
Tobacco: miscarriage, stillbirth, preterm delivery, and low birth weight
infants
alcohol: FAS, physical and mental disabilities and growth retardation
drugs: low birth weight, preterm delivery, miscarriage, birth defects, and
infant addiction.
Blastogenic stage - answer (Day 1 to 14): A period of rapid cell division
Day 14: An embryo is formed.
Embryonic stage - answer (Week 2 to 8): The organ system develops.
Week 5: The heart begins to beat. Week 8: The embryo is now known as a
fetus.
Fetal Stage - answer (Week 9 to 40): Period of continual growth and
development
zygote - answer formed from combination of egg and sperm
, placenta - answer provides oxygen and nutrients from the mother's blood
to the fetus and also allows for the transfer of waste from the fetus and
into the mother's system for excretion
first trimester - answer exposure to toxins and inadequate nutrient
intake can have an adverse effect on the fetus
quality of the mother's diet is more important than the quantity
second trimester - answer development of the hands, feet, arms, and
legs occurs, and the fetus begins to resemble a baby
physiological changes to mom's body in order to support the pregnancy
and prepare for birth.
third trimester - answer fetus will double in length and will increase
weight to approximately 7 to 9 pounds.
low birth weight (LBW) - answer a birth weight of less than 5.5 pounds
small for gestational age (SGA) - answer an infant small in size,
measured relative to its gestational stage
calorie during pregnancy - answer quality more important than quantity
need for certain nutrients increase by 50% during pregnancy.
calorie needs during the second and third trimester only increases by
approximately 20%.
adequate weight gain - answer 25-35 pounds total
1-4 pounds during the first trimester and then approximately 1 pound per
week during the remainder of the pregnancy.
Underweight: 28 to 40 pounds
Normal: 25 to 35 pounds
Overweight: 15 to 25 pounds
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