prenatal and newborn development notes

Question 1

conception

Answer 1

when a males sperm fertilizes a female egg

Question 2

DNA

Answer 2

genes are composed of this

Question 3

genes

Answer 3

genes are responsible for peoples unique characteristics

Question 4

zygote

Answer 4

fertilized egg

Question 5

embryo

Answer 5

weeks 2-8: at 4 weeks, develops
a beating heart, brain, and intestinal tract
8 weeks embryo is an inch long

Question 6

fetus

Answer 6

(8 weeks-birth)
by 4 months movement can be felt by mom

Question 7

prenatal development

Question 8

genetic factors that influence developing fetus

Answer 8

phenylketonuria- inability to break down protein
tay- scales disease- inability to break down fat
down- syndrome

Question 9

environmental factors that influence developing fetus

Answer 9

teratogens- environmental factors such as drugs, chemicals, viruses, or others that produce birth defects

Question 10

newborn development

Question 11

rooting reflex

Answer 11

automatic turning of head when check is touched

Question 12

sucking reflex

Answer 12

suck anything that touches lips

Question 13

startle reflex

Answer 13

infant flings arms, fans fingers and arches back in response to sudden noise

Question 14

babinski reflex

Answer 14

toes fan when edge of sole is touched