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Flashcards in Review Exam OB/GYN Deck (116):
1

A cloverleaf shaped cranium in a 2nd tri fetus is characteristic of

skeletal dysplasia

2

which genitourinary abnormality depends on fetal gender

posterior urethral valve and turners

3

which pelvic structure contains the uterine blood vessels and nerves

broad ligaments

4

when the vasular space between the placenta and myometrium is absent, the sonographer should suspect

placenta accreta

5

measurment of the biparietal diameter is taken at a level to include the

thalamic cerebri

6

the best measuring method for evaluating gestational age is the

crown rump length

7

bilateral symmetric pelvic masses are most likely

pelvic muscles

8

a localized hypoechoic adnexal mass is present on serial sonograms. physiological ovarian cysts of varying size are presen bilaterally. based on this clinical history, the adnexal mass is most supicious for a(an)

endometrioma

9

maintaining privacy of a patients medical and personal info is a primary concern of the

health insurance portability and accountability act

10

which of the following is not evaluated during a fetal bpp

fetal swallowing

11

an echogenic endometrium with posterior acoustic enhancement is present during which of the following phases

secretory

12

normal serum maternal alpha feto protein levels vary with

gestational age

13

a diamniotic/momochorionic multifetal pregnancy will demonstate

one placenta and two gestational sacs

14

symmetrical intrauterine growth restriction is most likely a result of

1st tri insult

15

which of the following structures shunts blood away from the fetal lungs

ductus arteriosus

16

which of the following abnormalities demonstrates an arteriovenous anastomosis

twin to twin transfusion syndrome

17

which rare benign ovarian neoplasm occurs most often in postmenopausal women

thecoma

18

hydranencephaly is an abnormality of the

cerebral cortex

19

common sonographic finding associated with dandy walker syndrome include

enlarged posterior fossa and absence of the cerebellar vermis

20

a menarche patient presents with a history of dysmenorrhea and uterine tenderness during a physical exam. her last menstrual period was 2 weeks earlier. the uterine myometrium appears diffusely inhomogeneous on ultrasound. this is suspicious for

adenomyosis

21

which phase of the endometrium demonstrates the thinnest diameter

late menstrual

22

normal embyonic herniation of the bowel permits development of the

abd organs

23

which classification of osteogenesis imperfecta is the most lethal

type 2

24

which leiomyoma location is most likely to cause heavy irregular uterine bleeding

submucosal

25

the landmark used to localize the correct level for measuing abd circumference is

lt portal vein

26

which portion of the fetal heart lies closest to the anterior chest wall

rt ventricle

27

normal nuchal translucency does not exceed

3mm

28

which ob condition is an indication for immediate delivery

placental abruption

29

at what ges age are chorionic villus sampling procedures commonly performed

10 to 12 weeks

30

which structure would you evaluate if a patient presents with a hist of a gartner cyst

vagina

31

brightly echogenic bowel in the 2nd tri is most likely associated with which abnormality

tri 21

32

clinodactyly refers to what

the inward curvature of digits

33

in postmenopausal women, endometrial thickness is consistently benign when measuring

5mm or less

34

fluid within the endo cavity is

not included in the measurement

35

the cervix to corpus ratio of premenarche uterus

2:1

36

enlargement of the 3rd ventricle is a finding associated with

agenesis of the corpus callosum

37

which segment of the fallopian tube is potentially the most life threatening in a ruptured ectopic

interstitial

38

if the fluid filled fetal stomach is not visualized on serial sonograms, the sonographer should suspect

esophageal atresia

39

the yolk sac is abnormal after the diameter exceeds

8mm

40

in relation to the ovaries, the external iliac vessels are located

lateral

41

ovulation usually occurs when the diameter of the dominant follicle measures

25mm

42

what adx pathology is associated with trophoblastic disease

theca lutein cysts

43

placenta previa is ruled out when the placental edge is located a minimym of what distance from the internal OS

2cm

44

dangling of the shoroid plexus is associated with

ventriculomegaly

45

a defect of the fetal lymphatic system typically results in development of a(n)

cystic hygroma

46

in a menarche patient, a multi layered appearance is present during which endo phase

later proliferation phase

47

which vessel provides the best imaging landmark for locating the ovaries

internal iliac

48

which pelvic muscle is most frequently mistaken for an ovary

piriformis

49

proliferation of the endo is a result of

estrogen

50

the most common cause for postmenopausal bleeding is

benign hyperplasia

51

an extrauterine mass most commonly develops on which of the following structures

broad ligament

52

a mature physiological cyst is termed a

graafian follicle

53

the lavator ani muscles are at the level of the

vagina

54

which of the following is not a physiological in origin

nabothian cyst

55

encephaloceles are typically located in which region of the calvaria

occipital

56

what mimics anencephaly

acrania

57

the most common neural tube defect is

anencephaly

58

holoprosencephaly is most often associated wit

patau

59

result of cranial defect

encephalocele

60

most likely demonstrates a normal maternal serum alpha fetoprotein level

encephalocele

61

normal maximum placental thickness in a 2nd tri pregnancy should not exceed

4cm

62

most likely associated with oligohydramnios

intrauterine growth restriction

63

the anatomical relationship between the ureter, ovary, and iliac vessels

the ureter and iliac vessels lie posterior to the ovary

64

fetal abnormality more commonly associated with diabetic patients

caudal regression

65

which hormone is responsible for inducing ovulation during a normal mestrual cycle

luteinizing hormone

66

a cystic hygroma is often associated with

chromosomal abnormality

67

nabothian cysts are located near the

cervix

68

which portion of the fetal brain demonstrates ventriculomegaly first

occipital horn of the lateral ventricle

69

which abnormality is associated with trophoblastic disease

theca lutein cysts

70

what is unique to the luteal phase

demonstration of the constant 14 day lifespan

71

a thin spetation within the endo is consistent with which uterine anomaly

septae uterus

72

thickness of the endo is dependent of

hormone levels

73

a chocolate cyst is a term used to describe

endometrioma

74

diffuse uterine enlargement demonstrating diffuse myometrial anechoic areas are sonographic findings consistent with

adenomyosis

75

T.V., in sag plane. the urinary bladder should display on which portion of the screen

left upper

76

what lab value determines when the ovary is ready to ovulate

estradiol

77

30yrs, normal menses, 10th day of cycle, the endo stripe is expected to demonstrate

a thick, hypoechoic functional layer and a hyperechoic basal layer

78

what is true for a post menepoausal patient not receiving hormone replacement therapy

decreases in estrogen can shorten the vagina

79

which portion of the uterus is indistinct in the nongravid stage

isthmus

80

the suspensory ligament attaches the

ovary to the pelvic sidewall

81

an anechoic tubular adx mass posterior and lateral to the uterus in an asymptomatic patient is most likely the

hydrosalpinx

82

fetuses with a diabetic mother have an increased risk of developing

maacrosomia

83

cases of heterotopic pregnancy occur in approximately

1:30,000

84

what syndrome is associated with an extra set of chromosomes

triploidy

85

visualization of the fractured fetal femur is most suspicious for

osteiogenesis imperfecta

86

a cystic teratoma is most commonly located

superior to the uterine fundus

87

2nd tri ultrasound eacms are best in determining fetal

anatomy

88

what structure allows communication between the right and left atraia

foramen ovale

89

precocious puberty may indicate the possible presence of a mass of the

hypothalamus, gonads, or adrenal gland

90

a unilocular thin walled cystic structure is identified adjacent to a normal appearing ovary. This mass is most suspicious for

paraovarian cyst

91

the most common gynecological malignancy in the united states involves the

endometrium

92

a bicornuate uterus is a congenital anomaly resulting from

incomplete fusion of the mullerian ducts

93

in ectopic pregnancy, serial human chorionic gonadotrpin levels are expected to

abnormally increase

94

ovulation typically occurs within how many hours of visualizing a cumulus oophorus

36

95

what endo phase demonstrates the greatest dimension

early secretory

96

fertilization of the ovum occurs in the

distal fallopian tube

97

which structure is responsible for the secretion of the follicle stimulating hormone

pituitary gland

98

the normal endo of a post menopausal patient not receiving hormone replacement therapy is expected to appear

thin and echogenic

99

cystic structures located within the choroid plexus

normally regress by 23 weeks gestation

100

which biometric parameter is most widely used to determine gestational age in the early second trimester

biparietal diameter

101

which neoplasm is most likely associated with meigs syndrome

fibroma

102

the endo may demonstrate posterior acoustic enhancement in which of the following endometrial phases

secretory

103

which portion of the primitive brain displays as a prominent cystic structure

rhombencephalon

104

the maternal side of the developing placenta is termed decidua

basalis

105

the purpose of the cephalic index is to determine

normalcy of the head shape

106

normal fetal lung development is dependent on the

exchange of the amniotic fluid within the lungs

107

which term refers to midcycle or ovulatory pain

mittelschmerz

108

duodenal atresia is associated with which tri syndrome

21

109

a rapid increase in serial human chorionic gonadotropin levels in associated with

trophoblastic disease

110

which pelvic mass is commonly displayed in a normal first tri pregnancy

corpus luteal cyst

111

what is caused by the presence of one defective gene

autosomal dominant

112

a lemon shpated cranium is more commonly associated with

myelomeningocele

113

visualization of the distal femoral epiphysis documents a fetus with an approximate gestational age of

32 weeks

114

a fixed, small, hyperechoic focus within the left ventricle is most likely the

papillary muscle

115

the normal diameter of the lateral ventrical atria should not exceed

10 mm

116

the apex of the fetal heart is normally positioned toward the

left side of the body at 45 degrees