Chap 1-5

Question 1

Scientific name for identical twins

Answer 1

monozygotic

Question 2

Fraternal Twins

Answer 2

dizygotic

Question 3

Germinal Stage

Answer 3

period from conception to implantation

Question 4

Miscarriage

Answer 4

One third of pregnancies

Question 5

Gestational parent

Answer 5

over 30

Question 6

Risk Factors for misc.

Answer 6

environmental toxin, substance abuse, chromosonal abnormalities, chronic illness

Question 7

Cephalocaudal

Answer 7

head takes precedence over lower parts of the body

Question 8

neural tube

Answer 8

turns into spinal cord ( spina bifada)

Question 9

amniotic sac

Answer 9

Protects the embryo/fetus within the uterus

Question 10

placenta

Answer 10

 Mass of Fssue exchanges nutrients and wastes between embryo/fetus and mother

Question 11

maternal obesity

Answer 11

Linked to higher risk of stillbirth

 Increases risk of neural tube defects

Question 12

Teratogens –

Answer 12

environmental agents that can harm embryo or fetus

Question 13

Rh incompatibility

Answer 13

Transfer of maternal antibodies that may cause brain damage or death

Question 14

Stress to the mother

Answer 14

 Corticosteroids decrease the growth of the placenta( olw birth weight, decreased placenta growth )