OB BOLD 4

Question 1

soft marker

Answer 1

indication but not a guarentee

Question 2

face formation begins with the formation of

Answer 2

prominences

Question 3

prominenences aka

Answer 3

processes

Question 4

5 prominenences

Answer 4

frontonasal, maxillary, mandibular, medial nasal, lateral nasal

Question 5

what differentiates into the nasal prominences

Answer 5

nasal placcodes

Question 6

stomodeum is

Answer 6

primitive mouth

Question 7

optic disks/ lens placodes first develop where

Answer 7

posterolateral and migrate anteromedially

Question 8

how many chromosome disorders associated with abscent nasal bone

Answer 8

> 40

Question 9

poor development of jaw

Answer 9

micrognathia

Question 10

orbits are

Answer 10

the eyes

Question 11

hypotelerism

Answer 11

eyes not far enough apart

Question 12

3 measurements of eye

Answer 12

outer orbital distance
inter orbital distance
orbital diameter

Question 13

tongue in coronal view could mean

Answer 13

bad things

Question 14

look at mandible in transverse view for

Answer 14

cleft palate

Question 15

pharynx develops into (3)

Answer 15

naso, oro and hypopharynx

Question 16

lungs form from the

Answer 16

laryngotracheal diverticulum

Question 17

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

Answer 17

jugular lymphatic scas

Question 18

thickened NT and NF related to

Answer 18

lymphatic abnormalities

Question 19

cystic hygroma is

Answer 19

lymphativ lesion

Question 20

Nuchal translucency measure size

Answer 20

<3mm

Question 21

NUchal transluceny where to put caliber

Answer 21

inner to inner

Question 22

nuchal fold measure size

Answer 22

<6mm

Question 23

spine develops from

Answer 23

ectoderm

Question 24

what forms the notocord

Answer 24

mesoderm

Question 25

what is neuralization

Answer 25

formation of the neural tube

Question 26

central cavity of the neural tube will become

Answer 26

central canal

Question 27

at the cadual end the central canal becomes

Answer 27

the ventricles

Question 28

how many somites are there

Answer 28

37

Question 29

dermatome produces

Answer 29

dermis of the back

Question 30

myotome produces

Answer 30

musculature

Question 31

sacral and coccygeal are

Answer 31

fused

Question 32

vertebral body aka

Answer 32

centrum

Question 33

vertabral foramen is where

Answer 33

spinal cord passes through

Question 34

echogenic ossification centres of spine

Answer 34

body , left and right segment of neural arch

Question 35

two echogenic dots on coronal spine is

Answer 35

pedicles

Question 36

three echogenic dots on coronal spine is

Answer 36

pedicles + centrum

Question 37

two echogenic dots on sag is

Answer 37

posterior arch + centrum

Question 38

tapered end of the spine

Answer 38

conus medullaris

Question 39

conus medullaris is at what spine level

Answer 39

L2-L3

Question 40

connective tissue extending from the end of the spinal cord

Answer 40

filum terminale

Question 41

spina bifida most common in which area

Answer 41

lumbosacral

Question 42

alpha fetoprotein increased with

Answer 42

NTD