ch. 4

Question 1

before birth, conception till birth

Answer 1

prenatal period

Question 2

germinal, embryonic and fetal

Answer 2

prenatal periods

Question 3

2 weeks, zygote, germ of cells, shortest period

Answer 3

germinal period

Question 4

3 weeks - 8 weeks, embryo, the beginnings, rapid prenatal development

Answer 4

embryonic period

Question 5

when do the layers of differentiated cells form

Answer 5

third week - embryonic period

Question 6

digestive system, liver, panacreas, lungs

Answer 6

endoderm

Question 7

circulatory system

Answer 7

mesoderm

Question 8

hair, nails, skin, nervous system

Answer 8

ectoderm

Question 9

9 weeks till birth, maturation, longest period

Answer 9

fetal period

Question 10

day 6 of germinal period when it reaches 70 - 100 cells and enters the uterus

Answer 10

blastocyst

Question 11

outer layer, placenta

Answer 11

trophoblast

Question 12

emerges day 7 - 9 in germinal period gives the fetus nutrients, disappears in the eighth week of the embryonic period

Answer 12

yolk sac

Question 13

when can you tell the sex of the baby

Answer 13

13 - 16th week

Question 14

when do the lungs begin to practice expansion and contraction

Answer 14

13 - 16 week

Question 15

begins in the spinal cord, during the 21 - 30 week in the fetal period

Answer 15

myelination

Question 16

when are the lungs done developing

Answer 16

21 - 30 week of fetal period

Question 17

3 layers of skin

Answer 17

endoderm, mesoderm, ectoderm

Question 18

develops during 4th week, turns into CNS

Answer 18

neural tube

Question 19

when does the heart begin to beat

Answer 19

fourth week - embryonic period

Question 20

when does the neural tube begin to form the brain

Answer 20

fourth to fifth week - embryonic period

Question 21

when does the heart form separate chambers

Answer 21

seventh week - embryonic period

Question 22

when do the liver and spleen form

Answer 22

eighth week - embryonic period

Question 23

when does biological sex begin to form

Answer 23

eighth week

Question 24

dilation and effacement of cervix, birth and delivery of placenta

Answer 24

stages of childbirth

Question 25

longest stage of child birth

Answer 25

dilation and effacement - labor

Question 26

test during the 1 - 5 minute mark of baby being born

Answer 26

APGAR scale

Question 27

developmental scale, 4 to 5 days after birth

Answer 27

neonatal brazelton scale

Question 28

any negative agent that could affect the baby

Answer 28

teratogens

Question 29

what are the different types of fetal alcohol spectrum disorder

Answer 29

fetal alcohol, partial fetal alcohol, alcohol-related neurodevelopment

Question 30

can lead to neural tube defects, anencephaly, spina bifida, cleft palate, rare cephalic disorders

Answer 30

low folic acid and folic acid disruptions

Question 31

high levels can prevent miscarriage, preterm births, small for gestational age, anemia

Answer 31

folic acid

Question 32

earliest baby can be delivered

Answer 32

22 weeks - age of viability