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Obstetrics > OB Gen > Flashcards

OB Gen Flashcards

0
Q

2 cells involved in follicular phase

A

Thecal and granulosa cells

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1
Q

Average of menstrual cycle

A

28 +- 7days

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2
Q

Responsible for ovulation and follicular rupture

A

LH

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3
Q

Formation of spinnbarkeit

A

Ovulation

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4
Q

Process where the remains of the graffian follicle becomes corpus hemorrhagicum and final matures to Corpus Luteum

A

Luteinization

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5
Q

Causes mittelschmerz

A

Corpus hemorrhagicum

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6
Q

Chemotactic activating factor for neutrophils

A

IL-8 is chemotact8

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7
Q

Day of menses that endometrium has been restored

A

5th day

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8
Q

Most important factor in the recovery of endometrium after menses

A

Slight increase in estrogen

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9
Q

Earliest histological evidence of progesterone action

A

Basal vacuolation

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10
Q

Decidual layers

A

Basalis, capsularis, parietalis

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11
Q

Zygote cytoplasm is successively cleaved to form what?

A

Blastula

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12
Q

At 32 cell stage the blastomeres form what?

A

Morula

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13
Q

Occurs when fluid secreted within the morula forms the blastocyst cavity

A

Blastocyst formation

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14
Q

Forms the yolk sac

A

Hypoblast

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15
Q

Blastocyst implants at around 7 days post conception usually where?

A

Posterior superior wall of uterus

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16
Q

Process that estalishes the 3 primary germ layers

A

Gastrulation

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17
Q

Forms the primitive ectoderm

A

Epiblast

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18
Q

Normal amniotic fluid by term

A

840 ml

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19
Q

Preferred precursor of progesterone biosynthesis by the trophoblast

A

Maternal plasma LDL cholesterol

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20
Q

Type of estrogen that is a marker of fetal well being

A

Estriol

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21
Q

Fetal period begins when?

A

8 weeks after fertilization or 10 weeks after onset of last menses

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22
Q

Commences beginning of 3rd week after ovulation and fertilization and lasts up to 8 weeks AOG

A

Embryonic period

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23
Q

By how many weeks does the uteus become an abdominal organ

A

12 weeks

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24
Q

Poor pap smear quality during pregnancy

A

Arias stella reactiob

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25
Q

Wt gain during pregnancy

A

211; 2 11 11, 1st, 2nd, 3rd tri ; Total-24

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26
Q

Only coagulation factors not increased during pregnancy

A

11 and 13

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27
Q

Change in heart rate during prenancy

A

Increase in heart rate by 10

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28
Q

Change in BP

A

Decrease in diastolic BP

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29
Q

4 periods of increased cardiac output in pregnancy

A

28th AOG, labor, immediately postpartum, 1st week postparum

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30
Q

Change in GFR during pregnancy

A

Increases by 50%

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31
Q

Positional change of appendix during pregnancy

A

Upward and lateral

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32
Q

Gums become hyperemic and soften

A

Epulis

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33
Q

Pituitay enlargement is approximately

A

135%

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34
Q

Impaires neutrophil activation during prenancy

A

Relaxin

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35
Q

HCG is detectable in maternal blood and urine how man days after ovulation?

A

8-9

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36
Q

Fetal heart beat is detected via steth at how many weeks?

A

16-19 weeks

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37
Q

Braxton hicks occurs at how many weeks

A

28 weeks

38
Q

Spontaneous bleeding occurs with platelet of how much

A

20,000

39
Q

Platelet is given at what number

A

50,009

40
Q

Prenatal visits:

A

Every 4 until 28; then every 2 until 36; weekly thereafter

41
Q

Asymptomatic bacteruria urine culture growth

A

> 100,000

42
Q

Required iron supplementation

A

27-30 mg

43
Q

N36

A

Travel is allowed up to how many weeks

44
Q

Unsafe vaccinations during pregnancy

A

MMR polio varicella yellow fever

45
Q

Management for candidiasis

A

Miconazole, clotrimazole, nystatin

46
Q

Uterine size correlates well at what aog

A

20-31 weeks

47
Q

Uterus is palpable at level or just above of symphysis

A

12 weeks

48
Q

Uterus palpable midway between symphysis pubis and umbilicus

A

16 weeks

49
Q

Uterus palpable at level of umbilicus

A

20 weeks

50
Q

Discrepancy in fundal size

A

3cm

51
Q

Norml fetal movement

A

8-10 kicks/ 2hrs

52
Q

Normal NST

A

Reactive: 2 or more accelerations occuring within 20 minutes that peak at 15 bpm or more above baseline, each lasting 15 secs or more

53
Q

Test measuring utero placental function

A

Contraction stress test

54
Q

Normal CST

A

3 contractions in 10 minutes= no late decelerations: NEGATIVE

55
Q

BPP: 5 components

A

Fetal heart acceleration, breathing, movement, tone, amniotic fluid volume

56
Q

BPP of normal non asphyxiated fetus

A

10, 8 normal AFV

57
Q

Normal AFV:

A

Single vertical pocket >2cms

58
Q

Umbilical cord compression may cause fetal tachy/bradycardia?

A

Brady

59
Q

Single most important indicator of an adequately oxyenated fetus

A

Baseline or beat to beat variability

60
Q

Moderate(normal variabilty)

A

6-25 beats/min

61
Q

Early decelerations signify

A

Head compression

62
Q

Variable compressions signify

A

Umbilical cord compression

63
Q

Late decelerations signify

A

Uteroplacental insufficiency

64
Q

Most common isolated structural defects

A

Congental heart defects

65
Q

AFP level that indicates fetal risk for neural tube defect

A

> 3.5

66
Q

Banana sign is found in?

A

NTD(elongation and downward displacement of the cerebellum)

67
Q

Lemon sign found in?

A

NTD(frontal bone scalloping)

68
Q

Triple serum makers?

A

AFP, hCG, estriol

69
Q

Triple serum marker elevated in trisomy 21

A

hCG

70
Q

Best predictor of resorption of ectopic pregnancy

A

hCG level of <1000

71
Q

A viable pregnancy has a hCG of

A

1500

72
Q

Most identified risk factor for ectopic pregnancy

A

Previous PID

73
Q

Highest relative risk factor for ectopic pregnancy

A

Documented tubal pathology

74
Q

Most frequent sx of extopic pregnancy

A

Abdominal pain

75
Q

Gold standard for dx of ectopic pregnancy

A

Laparoscopy

76
Q

Single best prognostic indicator of successful tx with methotrexate jn ectopic pregnanch

A

Hcg <1000

77
Q

Act by drawing water from proteoglycan complexes causing the complexes to dissociate and thereby allowing the cervix to soften and dilate

A

Laminaria digita/ japonica

78
Q

Most commonly used cerclage,

A

Mc donald

79
Q

Earliest sign of pregnancy seen woth TVS

A

Intradecidual sign

80
Q

Anechoic sac without distinct chorionic ring(4 weeks)

A

Intradecidual sign

81
Q

Single placental “mass”, a triangular projection of placental tissue beyond placental surfaces could be seen extending between layers of the intertwin membrane

A

Twin Peak Sign

82
Q

Lung compliance: increase or decrease

A

No change

83
Q

Progesterone inc sensitivity to CO2 leading to a decrease or increase in tidal volume?

A

Increase

84
Q

Serum crea: inc or decrease

A

Decrease

85
Q

Screening for congenital abnormalities

A

A baby evolving inside (AFP, B HCG, Estriol, Inhibin) - check for Down’s (arrange alphabetically and down,up,down,up)

86
Q

Five cranial signs of NTDS

A

Small berries, vines, lemons ,bananas, mangoes(small BPD, ventriculomegaly, frontal bone scalloping-lemon sign, banana sign, effacement of custerna magnus)

87
Q

BPP

A

My Big FAT profile is a 10 (movement, breathing, FHR, AFV, Tone) 10 is perfect score

88
Q

TV ultrasonographic cervical finding that correlates with preterm delivery

A

Funneling

89
Q

Diaphragm rises by

A

4cm

90
Q

Fetal head is partially flexed with anterior fontanel or bregma presenting

A

Sinciput

91
Q

Demonstrates adequacy of pelvic inlet

A

Engagement (u get engaged when u are adequate)

92
Q

DOC for pregnant women with chlamydia

A

Erythromycin

93
Q

Tobacco pouch apperance

A

Endometrial TB

Obstetrics (11 decks)

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