Chapter One: The Skull

Question 1

Skull Components

Answer 1

-neurocranium
-viscerocranium

Question 2

Cranial bones

Answer 2

-frontal
-parietal
-temporal
-occipital
-sphenoid
-ethmoid

Question 3

Facial bones

Answer 3

-nasal
-nasal conchae
-maxillae
-zygomatic
-mandible
-vomer
-palatine
-lacrimal

Question 4

Three main sutures of the calvarium

Answer 4

-coronal suture
-sagittal suture
-lambdoidal suture

Question 5

Fontanelle

Answer 5

-anterior fontanelle
-posterior fontanelle
-mastoid fontanelle
-sphenoid fontanelle

Question 6

Fontanelle significance

Answer 6

-indirect assessment of intracranial pressure
-assessment of the newborn growth, hydration, and bone ossification status

Question 7

The temporal fossa floor (medially)

Answer 7

-frontal, parietal, temporal, sphenoid bones

Question 8

The temporal fossa anterior boundary

Answer 8

-frontal process of the zygomatic bone
-zygomatic process of the frontal bone

Question 9

The temporal fossa superior boundary

Answer 9

-superior and inferior temporal lines

Question 10

The temporal fossa inferior boundary

Answer 10

-zygomatic arch laterally
-the infratemporal crest of the greater wing of the sphenoid medially

Question 11

Sutures converging at the pterion

Answer 11

-the coronal suture
-the spheno-frontal suture
-the spheno-parietal suture
-the spheno-squamous suture
-the squamous suture

Question 12

What artery runs behind the pterion

Answer 12

-middle meningeal artery

Question 13

The infratemporal fossa anterior boundary

Answer 13

-the infratemporal surface of the maxilla

Question 14

The infratemporal fossa posterior boundary

Answer 14

-the tympanic portion of the temporal bone and its styloid process

Question 15

The infratemporal fossa superior boundary

Answer 15

-the infratemporal crest of the greater wing of the sphenoid
-the infratemporal surface of the temporal squama

Question 16

The infratemporal fossa inferior boundary

Answer 16

-the lateral pterygoid plate medially
-the ramus of the mandible laterally

Question 17

What does the cranial fossa resemble

Answer 17

-a staircase

Question 18

Anterior cranial fossa bones

Answer 18

-frontal
-ethmoid
-sphenoid

Question 19

Anterior cranial fossa openings

Answer 19

-optic canal
-cribriform plate

Question 20

Middle cranial fossa bones

Answer 20

-sphenoid
-temporal
-parietal

Question 21

Middle cranial fossa openings

Answer 21

-superior orbital fissure
-foramen rotundum
-foramen ovale
-foramen spinosum
-foramen lacerum
-carotid canal

Question 22

Posterior cranial fossa bones

Answer 22

-occipital
-temporal
-parietal

Question 23

Posterior cranial fossa openings

Answer 23

-foramen magnum
-internal acoustic meatus
-jugular foramen
-anterior hypoglossal canal

Question 24

Bones of the cranial roof

Answer 24

-the frontal bone
-the parietal bones
-the occipital bone

Question 25

Bones of the cranial base

Answer 25

-the frontal bone
-the ethmoid bone
-the sphenoid bone
-the temporal bone
-the parietal bones
-the occipital bone

Question 26

Frontal bone anterior main features

Answer 26

-squamous part
-superciliary arch
-orbital plate
-supraorbital foramen
-frontal notch
-nasal spine
-zygomatic process
-ethmoidal notch

Question 27

Frontal bone posterior main features

Answer 27

-orbital plates
-ethmoidal notch
-foramen cecum
-frontal crest
-sagittal sulcus
-zygomatic process

Question 28

Ethmoid bone main features

Answer 28

-perpendicular plate
-crista galli
-cribriform plate
-ethmoidal labyrinth
-orbital plate
-superior nasal concha
-middle nasal concha
-uncinate process

Question 29

Sphenoid bone main features

Answer 29

-greater wing
-lesser wing
-body and sinus
-sella turcica
-clinoid process
-pterygoid plates and processes

Question 30

Sphenoid foramen, fissures and grooves

Answer 30

-optic canal
-foramen rotundum
-foramen ovale
-foramen spinosum
-superior orbital fissure
-pterygoid canal

Question 31

Sphenoid bone medial articulations

Answer 31

-body: ethmoid and vomer anteriorly, and basilar part of occipital bone posteriorly
-lesser wings: orbital plate of frontal and ethmoid
-greater wings: orbital surfaces of frontal anteriorly, parietal bones laterally, squamous part of temporal bone posteriorly
-pterygoid processes: palatine bones

Question 32

Maxilla main features

Answer 32

-frontal process
-zygomatic process
-orbital surface
-alveolar process of maxilla
-palatine process
-maxillary sinus
-infraorbital foramen
-incisive foramen

Question 33

Zygomatic bone main features

Answer 33

-body
-maxillary process
-frontal process
-temporal process
-orbital surface
-zygomaticofacial foramen

Question 34

Palatine bone main features

Answer 34

-orbital process
-perpendicular plate
-horizontal plate

Question 35

Lacrimal bone main features

Answer 35

-orbital surface
-lacrimal fossa
-lacrimal groove

Question 36

Vomer bone location

Answer 36

-in between maxilla and ethmoid

Question 37

Mandible bone main features

Answer 37

-condylar process
-coronoid process
-mandibular foramen
-mandibular notch
-alveolar process
-mental foramen
-ramus
-body
-angle

Question 38

Temporal bone main features

Answer 38

-squamous part
-mastoid process
-zygomatic process
-tympanic part
-styloid process
-petrous part
-external acoustic meatus
-mandibular fossa
-auditory ossicles

Question 39

Occipital bone main features

Answer 39

-external occipital protuberance
-external occipital crest
-superior nuchal line
-inferior nuchal line
-occipital condyles
-foramen magnum
-condylar canal
-hypoglossal canal

Question 40

Hyoid bone main features

Answer 40

-greater horn
-lesser horn
-body

Question 41

Which bones contain paranasal sinuses

Answer 41

-maxilla
-frontal
-sphenoid
-ethmoid