Module 3: Brief

Question 1

age of viability

Answer 1

• 24 weeks

- 50% chance of survival with high tech nicu

Question 2

monozygote

Answer 2

• identical twins

- one fertilized egg splits into two

Question 3

dizygote

Answer 3

-non-identical twins

Question 4

homeostasis

Answer 4

-stable/balanced

Question 5

amniocentesis

Answer 5

• amniotic fluid removal
• taken out by syringe
• down syndrome and other defects
• doula (basically midwife)

Question 6

stress test

Answer 6

• 34 weeks
• tells how well the fetus wil cope with contractions
• monitor fetal heart rate (through chorionic villus sampling)
• done in early pregnancy to detect congenital abnormalities in the fetus (tissue sample taken from villi of placenta)

Question 7

congenital

Answer 7

-medical conditions that are present at or before birth

Question 8

blastula

Answer 8

• after the baby is over 100 cells, the embryo is called the blastula
• spherical layer of cells surrounding a fluid filled cavity

Question 9

embryonic disk

Answer 9

• amniotic cavity is anterior
• composed of 3 layers (ectoderm/outer, mesoderm/middle, endoderm/inner)
• mesoderm grows the notochord which the nervous system develops from