Pregnancy and Development

Question 1

capacitation

Answer 1

final preparation of sperm

Question 2

syngnamy

Answer 2

fusion of gametes

Question 3

blastocoele

Answer 3

inner blastocyst cavity

Question 4

decidua

Answer 4

endometrium during pregnancy

Question 5

chorion

Answer 5

matured trophoblast

Question 6

Wharton’s Jelly

Answer 6

umbilical cord; insulates and protects

Question 7

placenta previa

Answer 7

blood supply covers orifice

Question 8

episiotomy

Answer 8

induced labor

Question 9

notochord

Answer 9

signals and coordinates deevelopment

Question 10

allantois

Answer 10

gas exchange; becomes umbilical

Question 11

neurulation

Answer 11

neural plate neural tube

Question 12

anencephaly

Answer 12

skull compressed

Question 13

fertilization occurs within ___ hours after ovulation

Answer 13

12-24

Question 14

difference between fraternal and identical twins

Answer 14

fraternal: dizygotic
identical: monozygotic

Question 15

the zygote becomes the ___, then the ___, and then specializes in the ___

Answer 15

blastula, morula, gastrula

Question 16

where does implantation occur?

Answer 16

uterus

Question 17

where does the inner cell mass face?

Answer 17

endometrium

Question 18

what cells produce hCG?

Answer 18

trophoblasts

Question 19

how many germ layers are within the gastrula?

Answer 19

3

Question 20

what structures do the somites give rise to?

Answer 20

axial skeleton, skeletal and smooth muscle, dorsal dermis, tendons, ligaments, cartilage and adipose tissue

Question 21

chorionic villi function

Answer 21

develops blood capillaries

Question 22

what is the importance of the placenta?

Answer 22

so that maternal and fetal blood don’t mix

Question 23

what can cross the placenta?

Answer 23

AIDs, German measles, measles, chickenpox, encephalitis, polio

Question 24

the umbilical cord consists of __ umbilical arteries that carry ___ blood and wastes from the fetus

Answer 24

2; deoxygenated

Question 25

the umbilical cord consists of __ umbilical vein that carries ___ blood and nutrients from the placenta to the fetus

Answer 25

1; oxygenated

Question 26

when does organogenesis occur?

Answer 26

4th week

Question 27

the embriotic stage lasts until week __ until it becomes the fetus

Answer 27

5-8

Question 28

a premature infant is born before __ weeks of gestation

Answer 28

37

Question 29

3 stages of labor

Answer 29

dilation, expulsion, placental expulsion

Question 30

how many chromosomes come from each parent?

Answer 30

23

Question 31

when does a female produce her eggs?

Answer 31

before she’s even born lol ive been working on this for 6 hours fuck off

Question 32

is the vaginal acidic or alkaline? does this pose a threat to sperm?

Answer 32

slightly acidic; sure does

Question 33

what is the main job of the fetus during the last trimester? what does myelin do?

Answer 33

growth; lubrication

Question 34

during pregnancy, a mother’s blood supply is increased by…

Answer 34

50% approx