Axial Skeleton (Cranial Bones)

Question 1

total bones in human body

Answer 1

206

Question 2

axial skeleton components

Answer 2

• 80 bones
• skull, hyoid bone, vertebrae, ribs, sternum, auditory ossicles

Question 3

appendicular skeleton components

Answer 3

• 126 bones
• upper and lower limbs, pelvic and pectoral girdles

Question 4

divisions of skeleton

Answer 4

axial and appendicular skeletons

Question 5

what is a girlde?

Answer 5

connections between axial and appendicular skeletons

Question 6

ridges

Answer 6

points of attachment for muscle onto bone

Question 7

projections

Answer 7

attachments points for muscles and ligaments crossing a joint (process, tuberosity, tubercle)

Question 8

condyle

Answer 8

smooth rounded surface

Question 9

Facet

Answer 9

small flattened articular surface

Question 10

skull bones

Answer 10

• 22 bones, 6 auditory ossicles, 1 hyoid

Two portions
1. CRANIAL BONES
- 2 parietal, 2 temporal
- 1 frontal, 1 occipital
- 1 sphenoid, 1 ethmoid
2. FACIAL BONES
- 2 maxilla, 2 zygomatic, 2 palatine, 2 lacrimal, 2 nasal, 2 inferior nasal conchae
- 1 vomer, 1 mandible

Question 11

where does mandible form a joint

Answer 11

temporal bone

Question 12

frontal bone location

Answer 12

• forehead
• roof of orbit (eye socket)
• anterior cranial floor
• SUPRAORBITAL MARGIN (top of eye socket)

Question 13

parietal bone location

Answer 13

L and R
sides and roof of cranial cavity

Question 14

occipital bone

Answer 14

EXTERNAL OCCIPITAL PROTUBERANCE (bump on back of skull, 2 ligaments keep head upright)
FORAMEN MAGNUM (spinal cord to brainstenm)
OCCIPITAL CONDILES
(articulate with C1, nodding movement, lateral head tilt)

Question 15

temporal bone

Answer 15

inferior lateral and floor of cranial cavity

• MASTOID PROCESS (behind ears, neck muscle attachment)
• STYLOID PROCESS (looks like pencil, tongue and neck muscles)
• EXTERNAL AUDITORY CANAL
• ZYGOMATIC PROCESS (cheekbone)
• JUGULAR FOAMEN (veins leaving brain)
• CAROTID FORAMEN (arteries enter brain)

Question 16

Sphenoid bone

Answer 16

butterfly bone
lateral skull and cranial floor
articulates with all other cranial bones

Question 17

ethmoid bone

Answer 17

• cribriform plate
• perpendicualr plate
• middle and superior nasal conchae

Question 18

nasal bone

Answer 18

2 bones
- bridge of nose

Question 19

lacrimal bone

Answer 19

in eye
ascociated with lacrimal apparatus

Question 20

zygomatic bones

Answer 20

cheeks

Question 21

zygomatic arch

Answer 21

zygomatic process of temporal bone and temporal process of zygomatic bone

confusing, i know

Question 22

maxilla

Answer 22

• L and R
• upper jaw, hard pallate (roof of mouth)
• ALVEOLAR PROCESSES
• PALATINE PROCESSES (roof of mouth)

Question 23

mandible

Answer 23

• articulates with temporal bone @ MANDIBULAR FOSSA
• ALVEOLAR PROCESSES

Question 24

only unpaired facial bones

Answer 24

vomer and mandible

Question 25

palentine bone

Answer 25

posterior roof of mouth, moves up sides of nasal cavity

Question 26

inferior nasal concha

Answer 26

help create airflow and move orderants

Question 27

vomer

Answer 27

inferior and posterior region of nasal septum

Question 28

alveolar processes

Answer 28

spaces so teeth can fit into bones

Question 29

bones of the orbit

Answer 29

• frontal
• sphenoid
• zygomatic
• maxilla
• palatine
• lacrimal
• ethmoid

Question 30

hyoid

Answer 30

floating bone
attachment point for tongue + neck muscles (elevate larynx during speech and swallowing)

Question 31

bones that make up hard pallate

Answer 31

maxilla and palatine

Question 32

structures that take blood in and out of skull and the bone they are a part of

Answer 32

OUT: jugular foramen
IN: cartoid foramen
temporal bone