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OBGYN > Quiz 3 > Flashcards

Quiz 3 Flashcards

1
Q

What is the precipitating cause of hydrops fetalis ?

A

Cardiac response to severe fetal anemia

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2
Q

In cases of fetal Rh isoimmunization, increased fetal hepatic RBC production results in ?

A

decreased oncotic pressure in the fetal vasculature

when liver produces RBCs, production of other proteins decreases

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3
Q

initial Ab devel. will occur in approx what % of index pregnancies inv. Rh-D neg mother and Rh-D positive fetus?

A

15%

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4
Q

anti-D immunglobulin given at 28wks reduces the risk of sensitization to what level?
the standard 300mg dose will neutralize how many mLs of fetal RBCs?

A

0.2%;

15

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5
Q

this test is used to detect fetal erythrocytes in maternal circulation

A

Kleihauer-Betke test

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6
Q

severe fetal anemia is indicated by a Hct less than?

A

30

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7
Q

women has a child that was born w severe anemia, at 24wks she has an Ab screen positive for anti-D and anti-C, next step in mngmt? if fetus has higher then nml flow velocity, do umbilical blood sampling to assess fetal..?

A

perform U/S for MCA doppler studies ;

Hct

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8
Q

initial prenatal labs show a Hgb of 9, next step?

A

empiric try of prenatal vit/mineral supplement containing iron sulfate

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9
Q

women w sickle cell trait (HbSA disease) have incr risk of?

A

UTIs

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10
Q

In oral iron therapy for iron-def. anemia, an incr in reticulocyte count can be observed within?

A

1 wk

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11
Q

Anemia in preg is defined as a Hct less than?

A

30%

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12
Q

a fetus with no copies of the alpha-globulin gene will likely result in?

A

intrauterine fetal demise

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13
Q

a pt. that loses urine when she coughs or sneezes most likely has what type of prolapse?

A

urethral

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14
Q

A “Q-tip” test is used to evaluate?

incontinence is usually assoc with upward rotation of?

A

urethral mobility;

30 degrees

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15
Q

Cervix/uterus descent below the vulva known as?

A

Procidentia

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16
Q

% of women that will have a UTI at some pt in their lives?

A

60%

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17
Q

ASx bacteruria is found in what % of postmenopausal women?

A

20

18
Q

transducer placed in vagina to measure intra-abdominal P as part of what test?

A

MULTIchannel urodynamic testing

19
Q

Recurrence of UTIs is MC in what group of women?

A

postmenopausal

20
Q

Most UTIs occur through what route?

A

ascending contamination from urethra

21
Q

woman w a lower UTI is LEAST likely to experience?

A

fever

22
Q

nml bladder capacity?

A

600cc

23
Q

event most assoc w onset of puberty is?

A

achieving a critical body weight

24
Q

sequ of secondary sex devel

A

growth spurt, thelarche, pubarche, menarche

25
Q

earliest sign of delayed puberty is lack of?

A

breast budding by age 13

26
Q

what may cause precocious puberty in girls?

A

ovarian neoplasm

27
Q

MC cause of primary amenorrhea?

A

imperforate hymen

28
Q

precocious puberty, h/o bone fractures and cafe-au-late spots likely due to?

A

McCune-Albright Sy

29
Q

complete uterine and vaginal agenesis,Dx?
MC cause of?
can have their own genetic child through?

A

Mayer-Rokitansky-Kuster-Hauser Sy;
primary amenorrhea in women w nml breast devel;
ovum donation (to surrogate)

30
Q

8yo w breast budding, pubic and axillary hair; most likely source of girls androgenic changes?
next step in eval?
next step in management of this girl?

A

adrenal gland androgens;
no additional eval necessary;
reassurance only

31
Q

15yo underweight girl w failure to menstruate, next step in mngmt?

A

OCPs

32
Q

22yo never had a period, well developed breasts, scant pubic/axillary hair, short vagina and no ovaries or uterus, Dx?

A

androgen insensitivity

33
Q

frequent menstrual bleeding (ie menses every 19 days, Dx?)

A

polymenorrhea

34
Q

most likely finding of endometrial Bx of pt with polycystic ovary Sy (presents w high BMI, incr hair, acne)

A

endometrial hyperplasia !

35
Q

heavy bleeding, mild constipation, incr abdominal girth, and pelvic heaviness suggest

A

uterine leiomyoma

36
Q

blood test most consistent w supporting polycystic ovary Sy ?

A

androstenedione at upper limits of nml or incr

37
Q

high BP, irregular menses, facial hair, normal Na and K..

most likely has elevation of?

A

desoxycorticosterone

38
Q

OCPs given in PCOS supposed to improve Sxs through?

A

suppression of androgen production

39
Q

testosterone cnvtd to dihydrotestosterone in?

A

hair follicles

40
Q

you suspect 11beta-hydroxylase deficiency, what finding would support your Dx?

A

severe hirsutism

41
Q

PCOS pt lost to follow up for yrs, this lack of care has increased pts risk for?

A

endometrial ca

OBGYN (9 decks)

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