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OB/Gyn > 2-3 Trimester > Flashcards

2-3 Trimester Flashcards

1
Q

PIH

A

Preeclampsia-
BP >140/90
Least severe

Eclampsia-
Most severe
Seizures, convulsions

HELLP-
Hemolysis
Elevated Liver enzymes
Low Platelets

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2
Q

Trophoblastic Disease

A 
Theca lutein cysts
Blighted ovum
Hydatidform mole
Fertilization of empty ovum
Grapelike appearance
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3
Q

The forebrain is also called:

A

Prosencephalon

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4
Q

Choroid plexus is formed in the:

A

Cerebral ventricles

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5
Q

Best place to measure the lateral ventricle is:

A

At the level of the atria

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6
Q

What is the function of the thalamus?

A

Receives all sensory stimuli except olfactory

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7
Q

What is the relationship of the frontal horns of the lateral ventricles to the CSP?

A

Anterior to

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8
Q

Which vessel may be seen adjacent to the Sylvian Fissure?

A

Middle Cerebral Artery

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9
Q

What structures are often confused w the thalamus?

A

Cerebral peduncles

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10
Q

What should be the largest measurement of the atria of the occipital horn?

A

9mm

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11
Q

Third ventricle is seen inside of which structure?

A

Thalamus

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12
Q

What vessel is seen within the interpeduncular cystern?

A

Basilar artery

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13
Q

Michael fold measurement should not exceed:

A

5mm

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14
Q

The sonolucent space between the right and left atria in the interatrial space:

A

Foramen ovale

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15
Q

The ductus arteriosus is located between:

A

Pulmonary artery and Aorta

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16
Q

Most common cardiac arrythmia in the fetus is:

A

Premature atrial contractions

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17
Q

What is shortening fraction?

A

Index of ventricular systolic function.
One of the most important cardiac measurements
Should be >25%

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18
Q

Gallbladder

A

Fills at about 17 wks gest when bile is being produced

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19
Q

Termination point of the left umbilical vein

A

Portal sinus

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20
Q

What is the ratio of the kidney circumference to the abdominal circumference?

A

.27-.30

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21
Q

There is a higher incidence of umbilical cord herniation when the fetus is in a:

A

Footling breech

22
Q

If the foot and lower leg are seen on the same plane, what is the condition?

A

Clubfoot

23
Q

In the 3rd trimester, a small amount of fluid in the renal collecting system may be a normal finding

A

True

24
Q

Measurement in the collecting system that may be associated w an increased incidence of urinary tract obstruction

A

> 10mm

25
Q

The “hockey stick” sign is found at the junction of the:

A

Umbilical vein and portal vein

26
Q

Equation for CI

A

BPD/OFDX100

27
Q

Equation for MSD

A

Length+Width+Height/3

28
Q

The major functioning unit of the placenta is the:

A

Chorionic villi

29
Q

Another name for succenturiate lobe

A

Placenta membranacea

30
Q

The maternal blood supply to the placenta is via the:

A

Spiral arterioles

31
Q

The spiral arterioles are branches of the:

A

Uterine arteries

32
Q

What hormones does the placenta produce?

A

HCG
Estrogen
Progesterone

33
Q

What is associated with an abnormally thick placenta?

A

Rh sensitivity
Gest diabetes
Congenital neoplasm

34
Q

The outer membrane of the placenta is the

A

Chorionic membrane

35
Q

Spontaneous rupture of the amniotic membrane may result in:

A

Placental abruption

36
Q

Oxygenated blood is carried to the fetus via the:

A

Umbilical vein

37
Q

What is associated with 2-vessel cords

A

Congenital anomalies
Chromosomal anomalies
IUGR
Premature delivery

38
Q

Hemangiomas of the umbilical cord are usually located:

A

At the placental end of the cord

39
Q

When there is a marginal insertion of the umbilical cord it is referred as:

A

Battledore placenta

40
Q

What is associated with a short cord?

A

Placental abruption
Abd wall defects
Intrafunicular hemorrhage

41
Q

False nots of the umbilical cord are not clinically significant

A

True

42
Q

A high systolic to diastolic ratio on the Doppler study of the cord is associated with:

A

IUGR
Maternal diabetes
Maternal HTN
Rh sensitivity

43
Q

A high pressure bleed of the placenta or rupture of the spiral arteries is a:

A

Retroplacental abruption

44
Q

A grade 3 placenta prior to 35 weeks may be associated with:

A

IUGR
Placental insufficiency
Smokers
HTN

45
Q

Most common cause for a marginal abruption:

A

Decidual necrosis caused by cigarette smoking

46
Q

Breu’s mole

A

A massive subchorial thrombosis

47
Q

Placenta accreta

A

When the chorionic villi directly contact the myometrium

48
Q

Grade 3 placenta is not usually seen until after:

A

35 weeks gest

49
Q

Associated findings of a grade 0 placenta throughout the pregnancy

A

Rh factors

Gestational diabetes

50
Q

Placental abruptions can be ruled in but not ruled out with sonography

A

True

OB/Gyn (9 decks)

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