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OB > OB BOLD 4 > Flashcards

OB BOLD 4 Flashcards

1
Q

soft marker

A

indication but not a guarentee

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2
Q

face formation begins with the formation of

A

prominences

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3
Q

prominenences aka

A

processes

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4
Q

5 prominenences

A

frontonasal, maxillary, mandibular, medial nasal, lateral nasal

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5
Q

what differentiates into the nasal prominences

A

nasal placcodes

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6
Q

stomodeum is

A

primitive mouth

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7
Q

optic disks/ lens placodes first develop where

A

posterolateral and migrate anteromedially

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8
Q

how many chromosome disorders associated with abscent nasal bone

A

> 40

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9
Q

poor development of jaw

A

micrognathia

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10
Q

orbits are

A

the eyes

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11
Q

hypotelerism

A

eyes not far enough apart

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12
Q

3 measurements of eye

A

outer orbital distance
inter orbital distance
orbital diameter

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13
Q

tongue in coronal view could mean

A

bad things

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14
Q

look at mandible in transverse view for

A

cleft palate

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15
Q

pharynx develops into (3)

A

naso, oro and hypopharynx

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16
Q

lungs form from the

A

laryngotracheal diverticulum

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17
Q

what develops off the early subclavian veins and 4-6 weeks

A

jugular lymphatic scas

18
Q

thickened NT and NF related to

A

lymphatic abnormalities

19
Q

cystic hygroma is

A

lymphativ lesion

20
Q

Nuchal translucency measure size

A

<3mm

21
Q

NUchal transluceny where to put caliber

A

inner to inner

22
Q

nuchal fold measure size

A

<6mm

23
Q

spine develops from

A

ectoderm

24
Q

what forms the notocord

A

mesoderm

25
Q

what is neuralization

A

formation of the neural tube

26
Q

central cavity of the neural tube will become

A

central canal

27
Q

at the cadual end the central canal becomes

A

the ventricles

28
Q

how many somites are there

A

37

29
Q

dermatome produces

A

dermis of the back

30
Q

myotome produces

A

musculature

31
Q

sacral and coccygeal are

A

fused

32
Q

vertebral body aka

A

centrum

33
Q

vertabral foramen is where

A

spinal cord passes through

34
Q

echogenic ossification centres of spine

A

body , left and right segment of neural arch

35
Q

two echogenic dots on coronal spine is

A

pedicles

36
Q

three echogenic dots on coronal spine is

A

pedicles + centrum

37
Q

two echogenic dots on sag is

A

posterior arch + centrum

38
Q

tapered end of the spine

A

conus medullaris

39
Q

conus medullaris is at what spine level

A

L2-L3

40
Q

connective tissue extending from the end of the spinal cord

A

filum terminale

41
Q

spina bifida most common in which area

A

lumbosacral

42
Q

alpha fetoprotein increased with

A

NTD

OB (23 decks)

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