Axial Skeleton Practice Slides

Question 1

What are the two parts that compose the Skull?

Answer 1

Cranium
Facial bones

Question 2

What are the three parts of Cranial Fossae?

Answer 2

Posterior ( back of head)
Middle ( Middle of head)
Anterior ( Front of head)

Question 3

What are the four sutures of the head?

Answer 3

Coronal ( Front of Skull)
Saggital ( Spit in the middle)
Squamous ( On the sides)
Lambdiod ( Back of skull)

Question 4

What is the name of this bone? What are the two marked pieces called?

Answer 4

Name of bone - Frontal

Supraobrital Margin (top lip of eye socket)

Frontal Sinus ( cant see)

Question 5

Name the bone

Answer 5

Parietal Bone ( The bone spit by saggital suture)

Question 6

What are two parts of temporal bone?

Answer 6

Sqaumous part (flat part)

Zygomatic Process ( cheek bone)

Question 7

What bone is this part of? what is the name of this part?

Answer 7

Temporal bone
Petrous part

Question 8

What is the name of the foramen labeled (temporal bone)

Answer 8

Jugular foramen

Question 9

Name labeled part of temporal bone.

Answer 9

Madibular fossa ( where jaw meets)
External acustic meatus ( hole next to madiubular fossa)
Styloid process (icicle)
Mastiod process ( tumor next to icicle)

Question 10

Name the bone.

Answer 10

Occiptal bone

Question 11

Name parts of occiptal bone

Answer 11

Foramen Magnum ( large hole)
External occipital

protuberance ( bump at the bottom of the bakc of the skull)

Occipital condyles ( Two bumps protruding from Foramen magnum)

Question 12

Name 3 parts of upper ethmiod bone.

Answer 12

Crista Galli ( tiny bump on top of pepdicular plate)

Pependicular plate ( line down the middle)

Cribriform plate ( both together)

Question 13

Name three parts of nasal cavity.

Answer 13

Peripendicular plate
Superior nasal concha
Middle nasal concha

Question 14

What is medial wall of the orbit?

Answer 14

Ethmoidal labyrinth in the
medial wall of the orbit

Question 15

What is this bone? Label the mark parts.

Answer 15

Greater wings ( below lesser wing)

Lesser wing ( noticeable ridge)

Optic canal ( holes in the lesser wing)

Superior orbital fissures (Slits between between lesser and greater wing)

Medial pterygoid plates (inner plate bottom of the greater wing)

Lateral pterygoid plates ( outer plate bottom of the greater wing)

Question 16

What bone is this photo of? Name parts of labeled.

Answer 16

Sphenoid Bone

Sella turcica (river-like notch)

Foramen rotundum ( closest to crista galli)

Foramen ovale ( oval in middle of rotundum and spinosum)

Foramen Spinosum ( under ovale foramen)

Question 17

Name this bone.

Answer 17

Sphenoid bone.

Question 18

Name three labeled parts of the maxillary bone.

Answer 18

Zygomatic process (Front of cheekbones)

Alveolar Process (front of gum)

Palatine processes (Roof of mouth)

Question 19

Name of jaw bone. Name parts of the jaw bone.

Answer 19

Condylar process (back jaw hinge)

Coronoid Process (front hinge)

Ramus (line below mandibular notch)

Body (bottom part of jaw)

Mental foramen (hole in front of the jaw)

Angel ( back edge of jaw)

Question 20

Name the bone.

Answer 20

Zygomatic bone

Question 21

name process in the zygomatic bone

Answer 21

Temporal process

Question 22

Name this bone.

Answer 22

Nasal Bone

Question 23

Name the bone. Name the groove

Answer 23

Lacrimal Bones
Lacrimal groove

Question 24

Name the bone.

Answer 24

Vomer bone

Question 25

Name the bone.

Answer 25

Palatine Bones ( very back of the roof of the mouth)

Question 26

Name on the bone.

Answer 26

Inferior Nasal Conchae

Question 27

Name the bone.

Answer 27

Hyoid bone

Question 28

Name four sections of vertebrae.

Answer 28

Cervical (7)
Thoracic (12)
Lumbar (5)
Sacral at bottom

Question 29

Name Parts of lumbar vertebrae.

Answer 29

Body (flat back part)

Vertebral foramen (hole in vertebrae)

Pedicle (first divot off body)

Lamina (divot near elephant trunk)

Spinous process (nose)

Superior articular facet (divot on end of y)

Superior articular process (knob inside of “ear” next to Transverse process)

Inferior articular process (lower nubs under trunk/ nose)

Question 30

What is this group of vertebrae?

Answer 30

Cervical Vertebrae

Question 31

Name of C1 and parts of it. Name C2 and parts.

Answer 31

C1 = Atlas

C2 = Axis

Transverse foramina ( Both)

C2 has Dens

Question 32

Name parts labeled.

Answer 32

C3-C6 Bifid spinous process

C7 = Vertebra prominens

Question 33

Name of vertebrae. Parts of vertebrae.

Answer 33

Transverse costal facet ( ring pop/ nose)

Costal demi facets ( Twin nubs next to nubs)

Question 34

Name the fused vertebrae.

Answer 34

Sacrum

Question 35

Name parts of the sacrum

Answer 35

Auricular surface (edges connect to os coxae)

Median sacral crest (Vein in the middle between bumps)

Sacral hiatus (Last big bump but not bottom)

Sacral promontory (Flat part on top more visible from back)

Question 36

Name the fused vertebrae.

Answer 36

Coccyx

Question 37

Name three parts of the sternum.

Answer 37

Manubrium ( top part kind of looks like a head)

Body ( middle)

Xiphoid process ( little dog tail at the bottom)

Question 38

Name parts of ribs.

Answer 38

True ribs: Vertebrosternal (pairs 1 - 7)

False ribs: Vertebrochondral (pairs 8 - 10)

False ribs: Vertebral (floating) (pairs 11 & 12)

Costal cartilage (brown/ cartilage)

Costochondral joint (where the bone meet cartilage)