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Flashcards in Maternal Physio Deck (47):
1

Increase in cardiac output during pregnancy is attributed to

Decreased SVR

2

Cardiac output increases during

5 weeks AOG

3

Plasma volume expansion begins at

10-20 weeks

4

Heart is displaced ____ and _____ and rotated on its long axis

Left and upward

5

What causes the larger cardiac silhouette on CXR in pregnant women?

Apex moved laterally

6

Murmur heard in 90% of patients that is intensified during inspiration

Systolic murmur

7

Arterial pressure usually decreases to a nadir at how many weeks

24-26 weeks

8

Principal prostaglandin of endothelium that is increased during late pregnancy

Prostacyclin

9

Potent vasoconstrictor that stimulates secretion of ANP, aldosterone and catecholamines

Endothelin

10

Normal blood loss during vaginal delivery

500ml

11

Maternal blood expands during what trimester

2nd

12

Remission of autoimmune disorders is due to

Suppressed TH1 response

13

Hypervolemia averages 40-45% above nonpregnant blood volume during

32-34 weeks

14

Failure of TH1 suppresion may be related to the development of

Preeclampsia

15

Increased levels of these coagulation factors occur in pregnancy

4 F
Fibrinogen
Factor 7
Factor 10
Flasminogen

16

WBC and platelet counts are____ during pregnancy

Increased WBC
Decreased platelets

17

Diaphragm rises about how many cms in pregnancy?

4cm

18

Subcostal angle widens how much during the 2nd half of pregnancy?

2cm

19

There is an increase of ___cm in thoracic circumference

6cm

20

Physiologic dyspnea results from increase in _______ which lowers blood PCO2

Tidal volume

21

This hormone lowers the threshold and increases sensitivity to CO2

Progesterone

22

Softening of the isthmus is called

Hegar sign

23

Uterine enlargement is most marked in the

Fundus

24

Main portion of the uterine wall with figure of 8 configuration

Middle layer

25

Softening and cyanosis of the cervix due to increased vascularity

Goodell sign

26

Produces progesterone during the first 6-7 weeks

Corpus luteum

27

Protein hormone secreted by the corpus luteum, decidua and placenta that remodels reproductive tract

Relaxin

28

Increased vascularity of the vagina that results to violet discoloration

Chadwick

29

Glands that become prominent in the breasts

Glands of montgomery

30

Postprandial hyperglycemia may be due to this hormone

Placental lactogen
Estrogen
Progesterone

31

Average weight gain during pregnancy

12.5kg

32

Carbohydrate metabolism in pregnant patients: what happens to blood sugar levels?

Mild fasting hypoglycemia
Postprandial hyperglycemia
Hyperinsulinemia

33

TAG, LDL, HDL and VLDL are all increased during what trimester

3rd

34

Leptin deficiency is associated with

Anovulation
Infertility

35

Abnormally elevated leptin results to

Preeclampsia
GDM

36

Right ureter is dilated more than the left because

Dextrorotated uterus

37

Bladder trigone is elevated during

12 weeks

38

Appendix is displaced in what direction during pregnancy

Upward and laterally

39

Focal, highly vascular swelling of the gums but regress spontaneously after delivery

Epulis of pregnancy

40

What happens to the liver size during pregnancy

Remains the same

41

This hormone impairs gallbladder contraction which results to increased stasis and cholesterol saturation

Progesterone

42

This hormone inhibits intraductal transport of bile acids

Estrogen

43

Principal source of GH secretion starting

17 weeks AOG

44

Major determinant of maternal insulin resistance after midpregnancy

Placental GH

45

This hormone prevents water transfer from fetus into maternal compartment to prevent fetal dehydration

Prolactin in amniotic fluid

46

TSH and HCG has identical

Alpha subunits

47

The only hormone in the adrenal gland that is decreased during pregnancy

DHEA
dhecreased