L.49/50 Skull Bones

Question 1

List the 6 bones of the Skull. Which bone(s) comes in twos?

Answer 1

Frontal 
Parietal (2)
Temporal (2)
Occipital
Ethmoid
Sphenoid

Question 2

Fusion point of left and right Frontal bones

Answer 2

Metopic Suture

Question 3

Forehead landmark on the Frontal bone

Answer 3

Frontal Squama

Question 4

Frontal bone landmark forming the roof of the orbit

Answer 4

Supraorbital margins

Question 5

A notch on the Frontal bone located on the medial aspect of the Supraorbital Margin

Answer 5

Supraorbital notch

Question 6

Ridge superior to Supraorbital margin, the area of eyebrows

Answer 6

Superciliary arch

Question 7

A depressed area between Superciliary Arches

Answer 7

Glabella

Question 8

Mucous membrane cavity (Sinus) deep to Frontal Squama and Glabella

Answer 8

Frontal Sinus

Question 9

Two lines on the Parietal bone, forming the superior and posterior boundary of the temporal fossa - mm. attachment for Temporalis

Answer 9

Superior and Inferior Temporal Lines

Question 10

Flat, superior part of the temple on the Temporal bone

Answer 10

Temporal Squama

Question 11

A pointed process projecting at the most inferior aspect of the Temporal bone - muscle and ligaments attachment of tongue and neck

Answer 11

Styloid Process of Temporal bone

Question 12

The external ear canal on the Temporal bone - passageway to the internal cranium

Answer 12

External Auditory Meatus

Question 13

Posterior and inferior to the External Auditory Meatus - directs sound waves into the ear

Answer 13

Mastoid process

Question 14

Inferior to the Temporal Squama, articulates with the Zygomatic bone forming the zygomatic arch

Answer 14

Zygomatic process

Question 15

A joint formed by the Mandibular Fossa and the Articulate Tubercle

Answer 15

Temporomandibular joint (TMJ)

Question 16

A socket located on the Temporal bone that contributes to the formation of the TMJ

Answer 16

Mandibular fossa

Question 17

A rounded elevation on the Temporal bone that contributes to the formation of the TMJ

Answer 17

Articular tubercle

Question 18

A foramen articulating with the Occipital bone passage for the internal jugular vein

Answer 18

Jugular foramen

Question 19

Protuberance bump at posterior surface of head, above neck

Answer 19

External Occipital Protuberance (Inion)

Question 20

Two curved ridges extending from the Inion

Answer 20

Superior and Inferior Nuchal lines

Question 21

Basilar part of the Occipital bone

Answer 21

Clivus

Question 22

Convex oval processes on sides of Foramen Magnum - Articulates with C1 (Atlanto-Occipital Joint)

Answer 22

Occipital Condyles

Question 23

Inferior opening of the Occipital bone

Answer 23

Foramen Magnum

Question 24

Passageway for Hypoglossal Nerve

Answer 24

Hypoglossal Canal

Question 25

A saddle-shaped structure on the Sphenoid bone

Answer 25

Sella Turcica

Question 26

A depression on the Sphenoid bone that contains the pituitary gland

Answer 26

Hypophyseal Fossa

Question 27

A ridge on the anterior part of the Hypophyseal Fossa

Answer 27

Tuberculum Sella

Question 28

A ridge on the posterior part of the Hypophyseal Fossa

Answer 28

Dorsum Sella

Question 29

x

Answer 29

Greater wings

Question 30

x

Answer 30

Lesser wings

Question 31

Foramen between the body of the Sphenoid and lesser wing

Answer 31

Optic foramen

Question 32

x

Answer 32

Superior orbital fissure

Question 33

x

Answer 33

Inferior orbital fissure

Question 34

x

Answer 34

Pterygoid processes

Question 35

x

Answer 35

Foramen Rotundum

Question 36

x

Answer 36

Foramen Ovale

Question 37

x

Answer 37

Foramen Lacerum

Question 38

x

Answer 38

Foramen Spinosum