skull and facial bones

Question 1

skull made of _____ bones
___ cranial and _____ facial bones

Answer 1

22
8
14

Question 2

bones that are apart of the orbit (7)

Answer 2

sphenoid bone
zygomatic bone
maxilla
palatine bone
lacrimal bone
ethmoid bone
frontal bone

Question 3

paranasal sinuses

Answer 3

4 total
Frontal(1) and sphenoid(2) sinuses can be located in a sagittal section with the nasal septum removed

Question 4

superior and middle nasal conchae are belonging to ______
inferior nasal conchae is a separate bone

Answer 4

ethmoid bone

Question 5

foramina (7 that you need to know)

Answer 5

Foramen magnum (occipital)

Jugular foramen
(occipital/temporal)

Nasolacrimal canal (Maxillary/lacrimal)

Internal acoustic foramen (temporal)

Foramen ovale (sphenoid)

Incisive foramen (Maxilla)

Olfactory foramina(ethmoid)

Question 6

zygomatic process

Answer 6

1.Temporal process of zygomatic bone

2. Zygomatic process of temporal bone

Question 7

parts of the temporal bone:

Answer 7

zygomatic process
mastoid process
styloid process
mandibular fossa

Question 8

mandibular fossa

Answer 8

-isan oval depression behind the anterior root of the zygomatic process of temporal bone for the reception of the condyle of the mandible

Question 9

ethmoid bone is the most ______ bone of the orbit

Answer 9

posterior

Question 10

parts within the ethmoid bone (5)

Answer 10

• cribriform plate
  -crista galli
  -perpendicular plate
  -superior nasal concha
  -middle nasal concha

Question 11

inferior nasal concha

Answer 11

does NOT belong to ethmoid bone
-has same function as superior and middle nasal concha

Question 12

sphenoid bone - features

Answer 12

-sella turcica
-greater wing
-lesser wing
-anterior clinoid process
-posterior clinoid process

Question 13

foramen magnum

Answer 13

It is one of the several oval or circular apertures in the base of theskull(theforamina).
It is the foramen magnum through which thespinal
cord(an extension of themedulla oblongata) enters and exits the skull vault.

Question 14

occipital condyles

Answer 14

Occipital condyles articulate with the superior facets of theatlasvertebra.

Question 15

occipital bone - features

Answer 15

-occipital condyles
-external occipital protuberance

Question 16

sutures

Answer 16

Dense fibrous connective tissue joints

-sagittal suture
-coronal suture
-lambdoid suture
-squamous suture

Question 17

mandible - features

Answer 17

• horizontal body and ascending ramus
  -angle
  -condylar process
  -coronoid process

Question 18

condylar process articulates with

Answer 18

Condylar process articulates with mandibular fossa of temporal bone at TMJ

Question 19

coronoid process is the site of attachment for

Answer 19

Coronoid process is the site of attachment of temporalis muscle (mm of mastication)

Question 20

palatine bone is a part of

Answer 20

orbit
palate
oral cavity
^only one that is all three

Question 21

hyoid bone

Answer 21

-does not articulate with any other bone
-suspended by ligaments and muscles from the styloid process of temporal bone
-located in the anterior part of neck between mandible and larynx

Question 22

hyoid bone
provides attachment points for muscles of

Answer 22

neck, tongue and pharynx

Question 23

vertebrae number and division

Answer 23

33
cervical - 7
thoracic - 12
lumbar - 5
sacral - 5
coccyx - 3-5

Question 24

vertebral body is made of

Answer 24

Body
Lamina
Pedicle
Processes:
spinous,
transverse
Vertebral foramen

Question 25

Cervical vertebrae C1-C7
atypical?
features?

Answer 25

-have transverse foramina
Atypical : C1, C2, C7
C1 is missing body and spinous process.
C2 has dens and bifid spine
C7 has a prominent non-
-bifid spinous process
Most degree of movement

Question 26

skull on atlas =

Answer 26

yes motion of head

Question 27

atlas on axis =

Answer 27

no motion of head

Question 28

thoracic vertebrae T1-T12
features?

Answer 28

The only vertebrae
that have articular facets (demifacets) for the articulations of ribs

Question 29

lumbar vertebrae L1-L5

Answer 29

Largest, bear weight
have no articular
facets for rib
attachment

Question 30

ribs
how many

Answer 30

12 pairs

Question 31

The ribs that articulate with sternum directly are called true ribs …

Answer 31

1-7

Question 32

Others do not articulate with sternum…. are called false ribs

Answer 32

8-10

Question 33

___ and ____ ribs are floating

Answer 33

11 and 12

Question 34

any typical rib is subdivided into

Answer 34

Head with with 2 articular facets.
Neck.
Tubercle.
Angle.
Costal groove.
Facet for costal cartilage

Question 35

sternum
parts:

Answer 35

manubrium
body
xiphoid process

Question 36

attachments of sternum and other features
manubrium articulates with ______

Answer 36

clavicle

Question 37

attachments of sternum and other features
jugular notch is located between the ___________

Answer 37

2 clavicular notches

Question 38

attachments of sternum and other features
manubrium also articulates with ___________

Answer 38

costal cartilages of first rib

Question 39

attachments of sternum and other features
body articulates superiorly with manubrium via ________

Answer 39

sternal angle

Question 40

attachments of sternum and other features
sternal angel is attachment of _________

Answer 40

second rib