A Exam 2 Part 1

Question 1

Skull

Answer 1

cranium and facial bones

Question 2

cranial bones

Answer 2

8-encase brain and sensory organs

Question 3

Frontal bone

Answer 3

1. forehead
   superciliary arches
   supraorbital foramina
   frontal sinuses

Question 4

parietal

Answer 4

2 -cranial bones

superior and inferior temporal lines

Question 5

temporal

Answer 5

2 -cranial bones
zgyomatic processes
externalacoustic/auditory meatus/canal –auditory ossicles
styloid process
mastoid process
mandibular fossa –temporomandiubular joint
stylomastoid foramen
petrous region -floor of cranium –carotid canal –jugular foramen
internal acoustic/auditory meatus/canal

Question 6

occipital

Answer 6

1 -cranial bone posterior/base of skull
foramen magnum
occipital condyles
hypoglossal canals
external occipital protuberance

Question 7

sphenoid bone

Answer 7

1 cranial bone -internal, wedgelike, fragile
bat shape -body and wings
sphenoid sinuses
sella turcica (Turk's saddle)
wings

Question 8

Sphenoid bone wing features

Answer 8

optic foramina/canals
superior orbital fissures
foramina ovale
foramina spinosum
foramina lacerum
formaina rotundum

Question 9

ethmoid bone

Answer 9

1 -cranial bone  interanl, roof of nasal cavity
perpendicular plate
nasal conchae (superior and middle)
crista galli (cock's comb)
cribriform plate (many foramina)
ethmoid sinsuses

Question 10

facial bones

Answer 10

14

Question 11

zygomatic bones

Answer 11

2 -facial bones

temporal process

Question 12

lacrimal

Answer 12

2 -facial bones

lacrimal sulcus/groove (directs tear flow to nasal cavity)

Question 13

nasal bone

Answer 13

2 -facial bones

Question 14

vomer

Answer 14

1 -facial bones

connects to perpendicular plate of ethmoid (nasal septum)

Question 15

inferior nasal conchae

Answer 15

2 -facial bones, nasal cavity

Question 16

palatine

Answer 16

2 -facial bones

part of hard palate with palatine processes of maxillae

Question 17

maxilla

Answer 17

2 -facial bones  upper jaw, holds teeth
alveolar processes
palatine process (part of hard palate (with palatine bones))
infraorbital foramen
maxillary sinuses

Question 18

mandible

Answer 18

1 facial bone
only movable bone of skull
body, ramus, angle
mandibular condyle/condylar process (TMJ)
coronoid porcess, mandibular notch
alveolar processes
foramina: mental, mandibular

Question 19

hyoid bone

Answer 19

not attached to another bone
soft tissues/muscles attach it to styloid and mastoid processes of temporal bones
also connects to tongue and larynx

Question 20

sutures

Answer 20

immovable joines between skull bones: sagittal, coronal, lambdoidal, squamous

Question 21

cavities of skull

Answer 21

hollow spaces

Question 22

fetal skull

Answer 22

fibrous CT bt bones; gaps bt bones covered by fontanels

allows for flexibility during birth; ossify by age 2

Question 23

fontanels

Answer 23

soft spots of fetal skull

Question 24

sexual dimorphism

Answer 24

differences of shape between sexes

pelvis, skull features

Question 25

vertebral column

Answer 25

``` vertebrae +intervertebral discs support system, muscle attachmen absorbscompression, allows flexibility protection - spinal cord, organs 4 curves; 26 individual bones ```

Question 26

vertebra

Answer 26

body vertebral foramen vertebral arch: pedicle and lamina; intervertebral foramina processes

Question 27

cervical vertebrae

Answer 27

``` C1-C7 atlas; articulates with occipital condyles axis; dens vertebra prominens transverse formaina -blood vessels C2-C6 often have bifid spinous processes ```

Question 28

thoracic

Answer 28

T1-T12; articulate with (1 or 2) pairs of ribs

Question 29

lumbar

Answer 29

L1-L5