Ardms Ob/gyn

Front 1

What does the double bleb sign refer to?

Back 1

The amnion and yolk sac

Front 2

What drug may be used to treat an early unruptured ectopic, in order to preserve fertility?

Back 2

Methotrexate

Front 3

What is a missed abortion defined as?

Back 3

Retention of a dead conceptus for a prolonged period of time (2 months)

Front 4

What can cause pre-eclampsia in the first trimester?

Back 4

Molar pregnancy / hydatidiform mole

Front 5

At what hCG level will you be able to image a normal intrauterine gestational sac transabdominally?

Back 5

3600 units /liter

Front 6

When ruling out hydrocephalus, where would you first see enlargement?

Back 6

Lateral ventricles

Front 7

Where do the choroid plexus lie within?

Back 7

Atria of lateral ventricles

Front 8

A nuchal translucency should not exceed how much?

Back 8

3mm

Front 9

What 2 procedures are performed to treat incompetent cervix?

Back 9

Shirodkar and McDonald's procedure

Front 10

If a gestational sac occupies 1/2 of the uterus, what is the gestational age of the pregnancy?

Back 10

8 weeks

Front 11

What is the vitelline duct?

Back 11

A structure that maintains a connection with the yolk sac and embryo. It contains an artery and vein.

Front 12

What is the vitelline duct also called?

Back 12

Omphalomesenteric duct

Front 13

The RVOT and LVOT denote what 2 vessels?

Back 13

Pulmonary artery and ascending aorta

Front 14

Which part of the 4 chamber heart sits closest to the spine?

Back 14

Left atrium

Front 15

Where do you measure fetal thoracic circumference?

Back 15

True transverse view at the level of fetal 4 chamber view

Front 16

Which view best demonstrates the diaphragm?

Back 16

Coronal

Front 17

Which vessel shows a candy cane shaped image just left to the spine in long?

Back 17

Aortic arch

Front 18

If a fluid filled stomach is not visualized, one would suspect what?

Back 18

Esophageal atresia

Front 19

What is true regarding the ulna and radius bone?

Back 19

The ulna is longer than the radius proximally, and the ulna and radius end at the same level distally

Front 20

What is it called when the cord is positioned near the cervical os?

Back 20

Vasa previa

Front 21

A C-section is usually not considered until which week due to placental previa?

Back 21

37th week

Front 22

The placenta develops from what 2 things?

Back 22

Chorion and decidua

Front 23

Does the placenta secrete AFP?

Back 23

No

Front 24

A placenta previa can be ruled out, if the placental edge is at least how many cm from the internal cervical os.

Back 24

2cm

Front 25

Placental accreta can be ruled out by observing what?

Back 25

Retroplacental space

Front 26

The thickness of a full term placenta shouldn't measure than how many cm?

Back 26

4cm

Front 27

Cerebellar measurements can be used to estimate gestational age, but lose accuracy after how many weeks?

Back 27

30 weeks

Front 28

Epiphyseal centers will not be identified sonographically until after

Back 28

30 weeks

Front 29

Lung maturity is best determined by

Back 29

Amniocentesis

Front 30

One can roughly calculate gestational age in weeks by measuring the mean sac diameter and adding

Back 30

3

Front 31

Sac measurements are accurate in estimating age within how many weeks?

Back 31

2

Front 32

What is the angle of asynclitism

Back 32

Determining the tilt of the fetal head to obtain the correct angle for BPD and head circumference measurements

Front 33

Which long bone is least likely to be affected by IUGR?

Back 33

Clavicle

Front 34

Which is more accurate : BPD or head circumference?

Back 34

Head circumference

Front 35

What is the function of a non-stress test?

Back 35

Calculates fetal heart rate according to fetal activity

Front 36

Twins resulting from fertilization of a single ova are referred to as

Back 36

Monozygotic

Front 37

What anomaly is associated with maternal diabetes mellitus?

Back 37

Caudal regression syndrome

Front 38

If a patients AFP level is low, one should check for

Back 38

Trisomy 21

Front 39

Which ratio is most sensitive for detecting asymmetrical IUGR?

Back 39

FL/AC

Front 40

An OB patient who presents with hypertension, swelling, and proteinuria is said to have?

Back 40

Pre-eclampsia and toxemia

Front 41

What is the best test to determine fetal lung maturity?

Back 41

Lecithin /sphingomyelin ratio

Front 42

What does puerperium mean?

Back 42

After delivery

Front 43

The postpartum uterus should revert back to normal size after how many weeks?

Back 43

4

Front 44

A molar pregnancy associated with a viable pregnancy is called what?

Back 44

Coexistent mole and live fetus

Front 45

Fetal number is determined by who?

Back 45

Female

Front 46

Fetal sex is determined by who?

Back 46

Male

Front 47

Twin growth is similar to that of a singleton up to how many weeks?

Back 47

30 weeks

Front 48

Twin - twin transfusion, TRAP sequence, conjoined twins and cord entanglement are all associated with what type of twins?

Back 48

Monozygotic twins

Front 49

With an intrauterine fetal blood transfusion, where are the packed RBCs introduced?

Back 49

Umbilical vein

Front 50

Pelvicaliectasis and hydroureter are usually a physiologic process during pregnancy, what side is more common?

Back 50

Right (90%)

Front 51

A molar pregnancy that is considered invasive but does not metastisize is called

Back 51

Chorioadenoma destruens

Front 52

What gestational age is CVS performed?

Back 52

10-12 weeks

Front 53

What lab tests are included in a quad screen?

Back 53

AFP, hCG, dimeric inhibin A, and unconjugated estriol

Front 54

AFP is produced in the______ in early gestation and by the______ in later gestation.

Back 54

Yolk sac, liver

Front 55

Trisomy 18 is also called

Back 55

Edwards syndrome

Front 56

Trisomy 13 is also called

Back 56

Patau's syndrome

Front 57

Holoprosencephaly is associated with trisomy____?

Back 57

13

Front 58

Triploidy is caused by

Back 58

2 sperm fertilize 1 egg

Front 59

Cystic hygroma is associated with

Back 59

Turners syndrome

Front 60

What is craniosynostosis?

Back 60

Failure of 1 or all sutures to close

Front 61

What is the most common nueral tube defect?

Back 61

Anencephaly

Front 62

75% of cephaloceles involve the______ bone.

Back 62

Occipital

Front 63

_________ is the term used to describe both brain and meninges seen protruding from a cranial defect.

Back 63

Meningeomyelocele

Front 64

______ is a spina bifida defect which is covered with skin /hair and is associated with a normal spinal cord.

Back 64

Occulta

Front 65

_______ spina bifida defect are often associated with an elevated AFP.

Back 65

Rashischisis

Front 66

Arnold chiari II malformation consists of________ &________

Back 66

Banana shape of cerebellum and lemon shape of skull

Front 67

Dandy Walker malformation is often identified by a cystic dilation of the____ ventricle.

Back 67

4th

Front 68

What are the 3 types of holoprosencephaly?

Back 68

Alobar, semilobar and lobar

Front 69

What does the aqueduct of sylvius connect?

Back 69

3rd and 4th ventricle

Front 70

Choroid plexus cysts usually resolve by_______ weeks.

Back 70

26

Front 71

What causes hydranencephaly?

Back 71

Obstruction of carotid arteries.

Front 72

What 3 things are associated with Beckwith weidman syndrome?

Back 72

Ompbalocele, macroglossia and visceromegaly

Front 73

What is ectopia cordis?

Back 73

Heart outside chest

Front 74

What does VACTERL stand for?

Back 74

Vertebral, anal atresia, cardiovascular, TEF, esophageal atresia, renal /radial, and limb

Front 75

When does urine formation begin?

Back 75

12 weeks

Front 76

What is amniotic band syndrome?

Back 76

Rupture of amnion that leads to entrapment /entanglement of fetus in chorion

Front 77

What is pentology of Cantrell?

Back 77

Ompbalocele, diaphragmatic hernia, sternal cleft, ectopia cordis, and intracardiac defect

Front 78

Acrania is also called

Back 78

Exencephaly

Front 79

Which abdominal wall defect had a normal cord insert?

Back 79

Gastroschisis

Front 80

Gastroschisis most often occurs on the____ side.

Back 80

Right