Process of Conception

Question 1

Fertilized ovum is called

Answer 1

Zygote

Question 2

How many days does the zygote stays in the fallopian tube?

Answer 2

3 days

Question 3

When there are already 16 blastomeres, it is termed?

Answer 3

Morula

Question 4

How many days does the blastocysts stay in the uterus

Answer 4

3-4 days

Question 5

Fingerlike projections that surrounds the blastocyst

Answer 5

Trophoblast

Question 6

Other term for implantation

Answer 6

Nidation

Question 7

________ are the one’s which implant high on the anterior
or posterior surface of the uterus

Answer 7

trophoblast

Question 8

When a cavity is formed
in the morula, it is termed as ___________

Answer 8

blastocyst

Question 9

How many blastomere does it take for it to turn into morula?

Answer 9

16 blastomeres

Question 10

It is the contact between the
trophoblast and the uterine endothelium.

Answer 10

Implantation/nidation

Question 11

3 processes that occur in implantation

Answer 11

Apposition
Adhesion
Invasion

Question 12

Once implantation has taken place,
endometrium is called ____________

Answer 12

Decidua

Question 13

Divisions of the Decidua

Answer 13

deciduas basalis
deciduas capsularies
deciduas vera/parietalis

Question 14

inner layer which is present as early as 12 days gestation and appears to be
functional early in pregnancy but then disappears between the 20th and 24th
week.

Answer 14

Cytotrophoblast/Langhan’s Layer

Question 15

outer layer containing fingerlike projections called chorionic villi which gives
rise to fetal membranes that arise from the zygote

Answer 15

Syncytiotrophoblast/Syncitial Layer

Question 16

outer membrane, together with deciduas basalis gives rise to
placenta which starts to form at 8th weeks gestational age

Answer 16

chorion

Question 17

inner layer which gives rise to umbilical cord/funis and amniotic fluid/ bag of water (BOW)

Answer 17

amnion

Question 18

the lifeline that links the embryo/fetus and the placenta

contains 2 umbilical arteries that returns deoxygenated
blood to the placenta and 1 umbilical vein that carries
oxygenated blood to the fetus

Answer 18

Umbilical cord/funis

Question 19

amniotic fluid begins to form at ___ to ___ weeks gestation

Answer 19

11-15th

Question 20

a pale, clear, straw colored albuminous fluid in which
the baby floats

Answer 20

amniotic fluid

Question 21

specific gravity of amniotic fluid

Answer 21

1.007 to 1.025

Question 22

ph of BOW

Answer 22

7.0 to 7.25

Question 23

near term, is clear, colorless containing little white,
peaks of vernix caseosa and other solid particles

Answer 23

BOW

Question 24

BOW is produces at a rate of _______ in 24 hrs and fetus swallows it at an equally rapid rate of ____ ml/24 hrs

Answer 24

500 ml, 500

Question 25

by ____ lunar month, _____ is added to the amount of amniotic fluid derive chiefly from maternal serum and fetal urine

Answer 25

4th urine

Question 26

shields the fetus against blows or pressures on the mother’s abdomen

Answer 26

BOW

Question 27

protects the fetus against sudden changes in temperature since liquid changes temperature more slowly than air

Answer 27

BOW

Question 28

protects the fetus against infections

Answer 28

BOW

Question 29

removal of amniotic fluid to diagnose chromosomal abnormalities

Answer 29

Amniocentesis

Question 30

stained amniotic fluid in non-breech presentation is a sign of fetal distress

Answer 30

Meconium

Question 31

Baby's first poop

Answer 31

Meconium

Question 32

arises out of trophoblastic tissues chorion together with deciduas basalis gives rise to the placenta which starts to form at 8th week gestational age

Answer 32

Placentation

Question 33

the placenta develops into ___ to ____ lobes or cotyledons/each functioning unit and each cotyledons are separated by fenestrated septa

Answer 33

15-20

Question 34

nutrients pass to the fetus via the placenta by means of ______ through placental tissues

Answer 34

diffusion

Question 35

feto-placental circulation takes place by ___________ via the umbilical arteries and umbilical vein

Answer 35

selective osmosis

Question 36

Waste products are excreted through the ________. It is the mother’s liver that detoxifies the waste products of the fetus

Answer 36

placenta

Question 37

orders the corpus luteum to keep on producing Estrogen and Progesterone that is why there is amenorrhea during pregnancy

Answer 37

hCG (Human Chorionic Gonadotropin)

Question 38

promotes growth of the mammary glands necessary for lactation

Answer 38

hPL (Human Placental Lactogen) or hCS (Human Chorionic Somatotrophin)