Spinal Anatomy Osteology (19%)

Question 1

At how many weeks in embryo does ossification of bone begin?

Answer 1

7-8 weeks

Question 2

What is the suture called where the frontl and parietal bones meet?

Answer 2

Coronal

Question 3

What is the suture called where the 2 parietal bones meet?

Answer 3

Sagittal

Question 4

What is the suture called where the parietal and occipital meet?

Answer 4

Lambdoidal

Question 5

What is the suture called where the tempotal and parietal meet?

Answer 5

Squamous

Question 6

The cribriform plate (inferiorly) and Crista galli (superiorly) are located on which bone?

a. Ethmoid
b. Maxillary
c. Sphenoid
d. Temporal

Answer 6

a. Ethmoid bone

Question 7

The hard palate, palatine, and orbital processes are a part of what bone?

a. Ethmoid
b. Maxillary
c. Sphenoid
d. Temporal

Answer 7

b. Maxillary

Question 8

The sella turcica, foramen ovale, rotundum, lacerum, spinosum are all a part of what bone?

a. Ethmoid
b. Maxillary
c. Sphenoid
d. Temporal

Answer 8

c. Sphenoid

Question 9

The mastoid is a feature of which bone?

a. Ethmoid
b. Maxillary
c. Sphenoid
d. Temporal

Answer 9

d. Temporal

Question 10

Which bones make up the orbit?

Answer 10

sphenoid, frontal, zygomatic, palatine, ethmoid, lacrimal, and maxillary

Question 11

Is the nasal bone part of the orbit?

Answer 11

no

Question 12

When does ossification of the vertebral column occur in embryo?

Answer 12

7-8 weeks

Question 13

What are the 3 primary ossification centers that are completed by ages 3-6 y/o?

Answer 13

1 = body (centrum)

2 = each vertebral arch (becomes lamina & pedicles)

Question 14

What are the 5 secondary ossification centers that are completed by 25 y/o?

Answer 14

1 = tip of spinous

2 = Transverse process’

2 = Annular ring epiphyses (sup. and inf. aspect of body)

Question 15

which group have an additional 2 ossification centers and what are they?

Answer 15

lumbars, mamillary processes

Question 16

What are ribs called that have no direct sternal attachment (attach by costal cartilages)

Answer 16

flat bones

Question 17

how many pairs of ribs are there?

Answer 17

12

Question 18

What ribs are typical?

Answer 18

3-9

Question 19

What are the atypical ribs?

Answer 19

1, 2, 11, & 12

Question 20

what is the shortest rib?

Answer 20

1st rib

Question 21

which rib has a costochondral joint articulation with the manubrium, has a scalene tubercle, and supports subclavian vessels?

Answer 21

1st rib

Question 22

what is the thinner rib, is 2x length of 1st rib, has the serratus anterior tuberosity?

Answer 22

2nd rib

Question 23

Which ribs are short w/ no neck or tubercle, floaters (dont articulate w/ sternum), have a single facet on head, and have an end capped cartilage?

Answer 23

11 and 12

Question 24

Where is the jugular notch located and what is its aka?

Answer 24

T3 & T4; suprasternal notch

Question 25

What is the angle of Louis?

Answer 25

where the manubrium/sternum meet @ second rib attachment

Question 26

What is the Gladiolus aka?

Answer 26

Sternum

Question 27

What segmental levels is the body of the sternum located at?

Answer 27

T5-T9

Question 28

What forms the lateral border of the sternum?

Answer 28

Costal notches

Question 29

What is a landmark for the diaphragm?

Answer 29

xiphoid process

Question 30

The sacrum has how many vertebrae?

Answer 30

5

Question 31

When are the 5 sacral vertebra fused by?

Answer 31

age 25

Question 32

Where on the sacrum is the sarcral promontory located?

Answer 32

base

Question 33

What part of the sacrum articulates with the coccyx?

Answer 33

the apex

Question 34

Where do the branches of the sacral spinal nerves pass through on the sacrum?

Answer 34

sacral foramina

Question 35

What are the lateral sides of the sacrum called? (aka wings)

Answer 35

ala

Question 36

What part of the sacrum is the equivelant of the spinous processes?

Answer 36

Median crest

Question 37

What part of the sacrum is equivelant to transverse processes?

Answer 37

intermediate crest

Question 38

What are the boundaries of the IVF? anterior: posteror: Superior: Inferior:

Answer 38

anterior: IVD/vertebral body posterior: facets Superior: Pedicle Inferior: pedicle

Question 39

Make sure you can draw the boundaries of the IVF

Answer 39

pg. 7 in notes

Question 40

What connects the lateral masses of atlas?

Answer 40

posterior arch

Question 41

What vertebral level is the hyoid bone at?

Answer 41

C3

Question 42

What vertebral level is the cornu of thyroid at?

Answer 42

C4

Question 43

What vertebral level is the Body of thyroid at?

Answer 43

C5

Question 44

What vertebral level is the cricoid cartilage at?

Answer 44

C6

Question 45

\*\*\*\*What vertebral level is the carotid tubercle at?

Answer 45

C6

Question 46

How many "atypical" vertebra are there in adults?

Answer 46

9

Question 47

What vertebral levels are associated with the joint of luska?

Answer 47

C2 - C6

Question 48

What is the lowest level vertebra where the vertebral artery (impression) is located?

Answer 48

C6

Question 49

What is the first vertebral spinous palpated off of the EOP?

Answer 49

C2

Question 50

What is the aka for C1?

Answer 50

atlas

Question 51

What are the aka's for C2?

Answer 51

Axis and Epistropheus

Question 52

What shape is the body and canal of cervical vertebra?

Answer 52

body: circular canal: triangular

Question 53

What shape is the body and canal of thoracics?

Answer 53

body: heart Canal: circle

Question 54

What is the shape of the body and canal of the lumbars?

Answer 54

body: kidney bean canal: triangle

Question 55

What segment in is born to fail meaning has a lot of problems with it?

Answer 55

L5

Question 56

How many teeth does a 3 year old have?

Answer 56

20

Question 57

How many adult teeth are there?

Answer 57

32

Question 58

Put the following layers of the teeth in order from superficial to deep: 1. Cementum 2. Dentin 3. Pulp (nerves & vessles) 4. Enamel 5. Root

Answer 58

4. enamel 2. dentin 3. Pulp (nerves & vessles) 1. Cementum 5. Root