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