Final Review: Pregnancy and Lactation Flashcards Preview

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Flashcards in Final Review: Pregnancy and Lactation Deck (26):
1

Who is a dick?

Martha

2

What activates the ciliated epithelium of fimbriae to beat toward the ostium?

Estrogen

3

Where does fertilization take place?

Ampulla

4

What two hormones aid sperm transport by contractions of the uterus and fallopian tubes?

Prostaglandins & oxytocin

5

What does the acrosome release?

Hyaluronidase

6

Hyaluronidase dissolves what layer of the oocyte?

Corona radiata

7

What penetrates the zona pellucida?

Zona lysin

8

How long does the fertilized ovum travel in the fallopian tube?

3-5 days

9

Progesterone causes relaxation of the uterus to allow entry of the blastocyst into the uterine lumen and is produced by what?

Corpus luteum

10

The outer, smaller cells of the blastocyst divide more rapidly and form the?

Trophoblast

11

Blood vessels within the teritiary villi will dump into vessels running through the?

Allantoic stalk

12

Vessel-filled allantoic stalk is also known as the?

Umbilical cord

13

The chorion + the portion of the uterine endometrium with the trophoblastic lacunae is collectively called the?

Placenta

14

What causes endometrial cells to become enlarged and store nutrients for the early embryo?

Progesterone from corpus luteum

15

What cells provide nutrients for embryo for first week and sometimes up through 8th week?

Decidual cells

16

What is the PO2 of the mother and fetus in the placenta are?

Mother= 50 mmHg
Fetus= 30 mmHg

17

Fetal hemoglobin concentration is about _____% greater than maternal.

50%

18

When a shift operates in one direction in the maternal blood and in the other direction in the fetal blood, it is referred to as?

The double bohr effect

19

What is the term for a shift of the oxygen-hemogloin dissociation curve to the right in response to increases in blood CO2 and H+ ions enhancing release of O2 from blood?

Bohr effect

20

T/F: All foodstuffs diffuse the same way through the placenta.

False, glucose via facilitated diffusion

21

What is secreted by syncytial trophoblast cells into maternal fluids 8-9 days after ovulation but at highest levels during the 10-12 week of pregnancy?

HCG

22

What is estrogen secreted by in the placenta?

Syncytiotrophoblast cells

23

Placental estrogen is created int eh mother's and fetal _____.

Adrenal glands

24

What is secreted by the anterior pituitary and promotes milk secretion?

Prolactin

25

What is secreted just before and after parturition and is similar to milk without the fat?

Colostrum

26

What is a prolactin inhibitory factor?

Dopamine