100ft view pregnancy

Question 1

What layer of the endometrium in involved with implantation

Answer 1

stromal cells

Question 2

How many sperm are released in male ejaculation

Answer 2

500 million

Question 3

What is included in ejaculation

Answer 3

Prostaglandins
*causes uterine contraction to propel them upward

Question 4

What is the pH of sperm

Answer 4

7.5

Question 5

Where is sperm formed

Answer 5

vas defrens

Question 6

Where does the fluid of the semen come from

Answer 6

seminal vesicles and prostate

Question 7

How long do sperm live

Answer 7

24-48 hours (at body temperature)

Question 8

What does the heavy cholesterol coating around the head of the sperm help with

Answer 8

Allows for influx of ca2+ so the flagellum are more motile

Question 9

What is the coronal radiata

Answer 9

Remaining follicular cells after the release of the ovum from Graafian follicle

*contained carbs for ovum as well as hylauronic acid

Question 10

What is capacitation

Answer 10

The outer layer of the sperm head is broken down so it can get through the ovum wall

Question 11

What is the zona pellucid

Answer 11

layer of glycoprotein that prevent multiple sperm from binding

*initiates sperm captation

Question 12

Where does fertilization generally occur

Answer 12

in the ampuls of the fallopian tube

Question 13

What is released from the acrosome

Answer 13

hyaluronidase
proteolytic enzymes

Question 14

What happens once a sperm has entered the ovum

Answer 14

The cell depolarizes so no other sperm are able to enter

Question 15

What is the deciding gene for sex

Answer 15

SRY on the Y chromosome
*+= male

Question 16

What is contained within a blastocyst

Answer 16

wall and embryonic pole

Question 17

What does the pole in the blastocyst become

Answer 17

the embryo

Question 18

How many days after fertilization does the blastocyst implant

Answer 18

6 days

Question 19

What occurs to the corpus luteum when an ovum is fertilized

Answer 19

The placenta keeps it active for the first trimester instead of allowing it to degrade

Question 20

When in a normal cycle does implantation occur

Answer 20

16-22 days

Question 21

Where is the most common location for implantation

Answer 21

upper/posterior wall

Question 22

What is trophectoderm

Answer 22

The blastocyst separates into the embryo and the placenta

Question 23

What does the trophoblast do

Answer 23

cause destruction and rebuilding of the spiral arteries so that blood flow cn be maintained from mom to fetus during development

Question 24

Which cells are responsible for secreting HCG

Answer 24

Trophoblastic

Question 25

What do stroll cells secrete for the developing fetus

Answer 25

glycogen proteins lipids

Question 26

When does the placenta develop for function

Answer 26

Day 16

Question 27

What does the fetus want for energy

Answer 27

glucose

Question 28

What is the inner layer of the trophoblast

Answer 28

amnion

Question 29

What is the chorion

Answer 29

the outer layer of trophoblast

Question 30

When is the hypothalamus/pituitary developed

Answer 30

12th week

Question 31

When does the fetal heart begin to contract

Answer 31

day 21

Question 32

How much more O2 does fetal hemoglobin have

Answer 32

20-50% more

Question 33

Why is there an increase in estrogen at the end of pregnancy

Answer 33

to get ready for labor

Question 34

Why is progesterone elevated during pregnancy

Answer 34

to help prevent contractions Breast development

Question 35

What is the benefit of HCG lab work

Answer 35

to check trending to see if pregnancy is still occurring or not

Question 36

How much is a normal amount of amniotic fluid

Answer 36

500-1000mL

Question 37

What fluid makes up majority of amniotic fluid

Answer 37

fetal renal function

Question 38

How fast does fluid within the amniotic sac get exchanged

Answer 38

every 3 hours

Question 39

How much does estrogen increase with pregnancy

Answer 39

30x above

Question 40

What does estrogen help with during fetal development

Answer 40

Increase breast tissue increase tissue laxity appropriate uterine enlargement increase external genitalia

Question 41

What secretes estrogen during pregnancy

Answer 41

syncytial trophoblastic cells of placenta

Question 42

What secretes progesterone during pregnancy

Answer 42

corpus luteum and then the placenta later in pregnancy

Question 43

What happens to moms pituitary during pregnancy

Answer 43

Increases 50% in size increase ACTH, TRH, Prolactin

Question 44

Why are glucocorticoids increased during pregnancy

Answer 44

to increase amino acid levels to be used by fetal tissue

Question 45

Why do women become edematous during pregnancy

Answer 45

increased aldosterone secretion = Na+ reabsorption = fluid retention

Question 46

Why do the thyroid and parathyroid increase in size during pregnancy

Answer 46

Hcg and placenta causes an increase in thyroid hormone demand

Question 47

How much does CO increase

Answer 47

30-60% in first trimester

Question 48

What are the side effects of increased hCG and progesterone

Answer 48

N/V associated with relaxed stomach muscles, decreased GI motility

Question 49

When can fetal movements typically been felt

Answer 49

20weeks

Question 50

When does the fetus grow the mouth

Answer 50

the last 2 months

Question 51

How much does moms blood volume increase in the third trimester

Answer 51

30%