Axial Skeleton

Question 1

How many cranial bones are there?

Answer 1

8

Question 1

Name the cranial bones

Answer 1

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

Question 2

Forms forehead and part of the roof of the cranium

Answer 2

Frontal bone

Question 3

Form most of cranial roof and part of its lateral walls

Answer 3

Parietal bone

Question 4

Form lateral walls and part of floor of cranial cavity

Answer 4

Temporal bones

Question 5

Forms rear and base of skull

Answer 5

Occipital bone

Question 6

Keystone bone of the skull

Answer 6

Sphenoid bone

Question 7

Located between eyes, contributes to medial wall of orbit, walls and roof of nasal cavity, and nasal septum

Answer 7

Ethmoid

Question 8

Encloses, protects and supports the brain

Answer 8

Cranial cavity

Question 9

Eye hole

Answer 9

Orbital cavity

Question 10

Mouth hole

Answer 10

Oral cavity

Question 11

Nose hole

Answer 11

Nasal cavity

Question 12

Functions of facial bones :

Answer 12

• Provide shape to each individual’s face
• Form part of the orbit and nasal cavity
• Support the teeth
• Attachment of muscles involved in facial expression and chewing

Question 13

Name the facial bones

Answer 13

1. Lacrimal (2) 5. Vomer
2. Nasal (2) 6. Mandible
3. Inferior Nasal Conchae 7. Zygomatic (2)
4. Palatine 8. Maxilla (2)

Question 14

Anterior to the ethmoid

Answer 14

Lacrimal bone

Question 15

Form part of medial wall of the orbits

Answer 15

Lacrimal bone

Question 16

Most anterior portion of the facial area

Answer 16

Nasal bones

Question 17

Forms the bridge of the nose; most often broken when hit in the nose

Answer 17

Nasal bones

Question 18

What is the tip of the nose made out of?

Answer 18

Cartilage

Question 19

Located inside the nasal cavity; Creates turbulence in inhaled air, helps warm the air

Answer 19

Inferior nasal conchae

Question 20

Articulates with the maxilla and the ethmoid bone

Answer 20

Vomer

Question 21

Forms the Nasal Septum with the Ethmoid bone

Answer 21

Vomer

Question 22

• Forms entire lower jaw
• Supports teeth and muscles for mastication (chewing)

Answer 22

Mandible

Question 23

Temporomandibular joint (TMJ) is formed by what two bones?

Answer 23

Mandible and temporal bones

Question 24

Cheekbones

Answer 24

Zygomatic

Question 25

Found between the maxilla and temporal bone

Answer 25

Zygomatic

Question 26

Keystone of the facial bones

Answer 26

Maxilla

Question 27

Form upper jaw, inferior orbit area, and support teeth

Answer 27

Maxilla

Question 28

Part of hard palate, nasal cavity and orbit
- Small with a distinct L-shape

Answer 28

Palatine

Question 29

The most inferior of the facial bones

Answer 29

Mandible

Question 30

The two bones that form the nasal septum

Answer 30

Vomer and Ethmoid

Question 31

The most posterior bone of the cranial area

Answer 31

Occipital bone

Question 32

• Bulge on inferior surface of the temporal bone
• Anchoring site for muscles that move the neck

Answer 32

Mastoid process

Question 33

What is the gender difference in the mastoid process?

Answer 33

It is bigger in males

Question 34

• Thin pointed bone, located on the temporal bone
• Site for attachment of many hyoid and tongue muscles

Answer 34

Styloid process

Question 35

Immovable fibrous joints that form the boundaries between the cranial bones

Answer 35

Sutures of the skull

Question 36

What seals cranial bones firmly together at a suture?

Answer 36

Dense regular connective tissue

Question 37

When do sutures in the skull completely fuse?

Answer 37

After puberty