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Flashcards in most missed questions ex 1 Deck (19)
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1
Q

which of the skull bones are derived from intramembranous ossification?

A

nasal, palatine, vomer, lacrimal, zygomatic, maxilla, frontal, parietal, most of mandible, squama of temporal and occipital bones and greater wing of sphenoid

2
Q

what organs are specifically associated with the horizontal axis of the skull?

A

eye

vestibular apparatus of inner ear

3
Q

what is the generic orientation of the pedicle at each region of the spine?

A

cervical- posterolateral
thoracic- posterior, slight lateral
lumbar- posterior

4
Q

all lamina are oriented in what direction?

A

posterior and median

5
Q

what will form the posterior boundary of a typical intervertebral foramen?

A

post-zygapophysis
pre-zygapophysis
capsular ligament
ligamentum flavum

6
Q

which vessels form the venous vasa corona?

A

right and left anterior and posterior longitudinal veins

4 communicating arteries

7
Q

which branches of the spinal artery supply the contents of the subarachnoid space?

A

anterior radicular artery
posterior radicular artery
anterior medullary feeder artery
posterior medullary feeder artery

8
Q

in which vertebral foramen will the conus medullaris typically be observed?

A

L1

9
Q

what feature is identified on the anterior surface of the inferior epiphyseal rim of C2?

A

anterior lip

10
Q

what is the location of the superior vertebral notch of C2?

A

lamina-pedicle junction

11
Q

how can you distinguish between T2-T4 from T5-T8 using articular process?

A

T2-T4 width btw superior articular process is greater than inferior
T5-T8 width btw superior articular process is equal/ same width as inferior

12
Q

what is the angulation of the spinous process T2-T4?

A

undersurface of T2-T4 spinous processes will angle up to 40 degrees from horizontal plane

13
Q

what is typically present on the transverse tubercle of T10?

A

transverse costal facet

14
Q

what part of transverse process may be absent on T10?

A

transverse costal facet

15
Q

what is the name given to the projection on the lumbar superior articular process?

A

mammillary process

16
Q

what features may be identified along the intermediate sacral crest?

A

mammillary process of S1

sacral cornu of S5

17
Q

what feature is identified on lateral surface of S1-S3?

A

auricular surface

18
Q

what feature does the anterior surface of the superior epiphyseal rim of S1 form?

A

sacral promontory

19
Q

what is the order of ossification?

A

membranous, cartilaginous, skeletal