Bones You Need to Know: Axial Skeleton

Question 1

Frontal Bone

Answer 1

Forehead to mid eye socket

Question 2

Frontal bone-coronal suture

Answer 2

seperates front from parietals

Question 3

Parietal Bones

Answer 3

bone behind the forehead that extends to the mid back of the skull

Question 4

Parietal bones- sagittal suture

Answer 4

separates parietal bones from each other

Question 5

Parietal bones- lambdoid suture

Answer 5

separates parietals from occipitals

Question 6

Parietal bones squamous suture

Answer 6

separates parietals from squamous temporals

Question 7

Temporal Bone

Answer 7

Large flat bone above the ear

Question 8

Temporal Bone- zygomatic process

Answer 8

Froms posterior portion of zygomatic arch

Question 9

Temporal bone- mandibular fossa

Answer 9

froms temporomandibular joint with mandibular condyle

Question 10

Temporal bone- external acoustic meatus

Answer 10

external ear canal

Question 11

Temporal bone-interal acoustic meatus

Answer 11

route of CN VII

Question 12

Temporal bone- styloid process

Answer 12

connects the lesser horn of hyoid bone, tongue and neck muscles (pointy bone that sticks out from where the internal acoustic meatus would be.

Question 13

Temporal bone-mastoid process

Answer 13

point of insertion of sternocleidomastoid

Question 14

Occipital bone

Answer 14

Just below the Parietal bone

Question 15

Occipital bone- foramen magnum

Answer 15

route of brainstem to spinal cord

Question 16

Occipital bone- occipital condyles

Answer 16

“yes” joint between skull and atlas

Question 17

Sphenoid bone

Answer 17

Just below frontal bone behind eye socket

Question 18

Sphenoid bone- sella turcica

Answer 18

Protective recess of pituitary glad

Question 19

Ethmoid bone

Answer 19

Deep to the lacrimal bone

Question 20

Ethmoid bone- cribriform late

Answer 20

froms anterior cranial fossa with frontal bone

Question 21

Ethmoid bone- crista galli

Answer 21

anchoring site for brain

Question 22

Ethmoid bone- superior and middle nasal conchae

Answer 22

scroll-like bones of nasal passages

Question 23

Mandible

Answer 23

Jawbone

Question 24

Mandible- mandibular condyle

Answer 24

From temporomandibular joint with mandibular fossa

Question 25

Maxillae

Answer 25

Bone just above upper teeth the wraps almost up to the bridge of the nose

Question 26

Maxillae- hard palate

Answer 26

roof of the mouth (with ethmoid bone)

Question 27

Maxillae- palatine process

Answer 27

forms hard palate with horizontal plate of ethmoid

Question 28

Palatine bones

Answer 28

rear of hard palate

Question 29

Zygomatic bone

Answer 29

Inferior lateral part of eye socket

Question 30

Zygomatic bone- zygomatic arch

Answer 30

Area of origin of masseter muscle, with temporal bone

Question 31

Lacrimal Bones

Answer 31

Route of Tear duct from orbit to nasopharynx

Question 32

Nasal bones

Answer 32

Bridge of nose

Question 33

Vomer

Answer 33

Behind deep to the soft palate

Question 34

Inferior Nasal Conchae

Answer 34

Lateral and superficial to the vomer on both sides.

Question 35

Hyoid bone

Answer 35

Base of the tongue

Question 36

All vertebrae- body

Answer 36

main articulation with adjacent vertebrae; forms "floor" of vertebral canal, anterior to spinal cord

Question 37

All vertebrae- spinous process

Answer 37

origins of trapezius, latissimus dorsi, rhomboid muscles

Question 38

All vertebrae- transvese process

Answer 38

Artiulates w/ ribs; origins of several deep back muscles

Question 39

All vertebrae- verebral canal

Answer 39

comprises all the vertebral foramina to form the brainstem, spinal cord, and caudal equina

Question 40

All vertebrae- vertebral foramen

Answer 40

each vertebra's contribution to the vertebral canal

Question 41

Cervical Vertebrae (c1-c7)- transverse foramina

Answer 41

route of verebral arteries

Question 42

Atlas (c1 only)- atlantoaxial joint

Answer 42

"no" joint between atlas and axis

Question 43

Atlas- atlantooccipital joint

Answer 43

"yes" joint between atlas and occipital condyles

Question 44

Axis (c2 only)- dens or odontoid process

Answer 44

forms part of "no" joint with atlas (pivot type joint)

Question 45

Thoracic Vertebrae

Answer 45

t1-t12

Question 46

Lumbar vertebrae

Answer 46

L1-L5

Question 47

Sacrum (S1-S5, fused)- Apex

Answer 47

Inferior aspect of sacrum; articulates with coccyx

Question 48

Sacrum- base

Answer 48

superior to aspect of sacrum, articulates with L5

Question 49

Sacrum- body

Answer 49

comprises fused bodies of sacral vertebrae

Question 50

Sternum-body

Answer 50

forms sternocostal joints with ribs

Question 51

Sternum- manubrium

Answer 51

forms sternocostal joint with first rib

Question 52

Sternum- ziphoid process

Answer 52

landmark for 5th interstal space

Question 53

Ribs

Answer 53

true ribs 1-7, false ribs 8-12, floating ribs 11 and 12