Skull and Mandible

Question 0

Total number of bones (cranial, facial, ear bones, hyoid)

Answer 0

8 cranial bones
14 facial bones
6 ear bones (3 on either side)
1 hyoid bone

Question 1

The skull is __% of total body weight.

Answer 1

8%

Question 2

Layer of spongy bone that separates the internal and external tables of compact bone

Answer 2

Diploe

Question 3

Provides flexibility to the skull

Answer 3

Sharpey’s Fibers

Question 4

Joint of the mandible

Answer 4

Temporomandibular

Question 5

Number of bones neurocranium and viscerocranium

Answer 5

8, 15

Question 6

Bones derived from visceral arches

Answer 6

Splanchnocranium

Question 7

Endochondral mode of formation

Answer 7

Chondrocranium, splanchnocranium

Question 8

Dermal mode of formation

Answer 8

Dermatocranium

Question 9

Germ layer origin of chondocranium

Answer 9

Mesoderm

Question 10

Germ layer origin of dermatocranium and splanchnocranium

Answer 10

Neural crest

Question 11

Flat bones of the skull

Answer 11

Dermatocranium

Question 12

Base of the skull or brain case

Answer 12

Chondrocranium

Question 13

Age that the anterior fontanelle closes

Answer 13

18 months

Question 14

Age that posterior fontanelle closes

Answer 14

2 to 3 months

Question 15

[T/F] Turbinates allow you to stick your finger into your nose easily.

Answer 15

F

Question 16

Lowest point from the chin

Answer 16

Gnathion

Question 17

Most prominent of the mental prominence

Answer 17

Mental or symphisian point

Question 18

Point of intersection of the fronto-nasal suture with the median line

Answer 18

Nasion

Question 19

Corresponds to the median area which is situated within the supercillary arches

Answer 19

Glabella

Question 20

Corresponds to the vertex or the highest point of the skull

Answer 20

Bregma

Question 21

Point which unite the sagittal suture with the lambdoid suture

Answer 21

Lambda

Question 22

Most posterior point of the sagittal plane of the skull

Answer 22

Opistocranion

Question 23

Point which corresponds to the external occipital protuberance

Answer 23

Inion

Question 24

Median point of the posterior border of the foramen magnum

Answer 24

Opistion

Question 25

Most prominent of the zygomatic bone

Answer 25

Malar point

Question 26

Squama of the temporal bone, parietal bone, greater wing of sphenoid bone and the frontal bone meet each other

Answer 26

Pterion

Question 27

Corresponds to the angle of the mandible

Answer 27

Gonion

Question 28

Point where that temporal bone, parietal bone and the occipital bone meet can other

Answer 28

Asterion

Question 29

Passage of the vein that communicates with the skull

Answer 29

Parietal foramina

Question 30

Highest part of the head when in anatomical position

Answer 30

Vertex

Question 31

Prominent spine before the neck

Answer 31

External occipital protuberance

Question 32

Marks the site of the anterior fontanelle

Answer 32

Bregma

Question 33

Marks the area of the posterior fontanelle

Answer 33

Lambda

Question 34

Transmits the vertebral arteries

Answer 34

Foramen magnum

Question 35

Cranial nerves and vein that pass through the jugular foramen

Answer 35

CN IX, X and XI, external jugular vein

Question 36

Structures that pass through the optic foramen

Answer 36

Optic nerve, Opthalmic arteries

Question 37

Structures that pass through the superior orbital fissure

Answer 37

Cranial nerves: Opthalmic (V1), oculomotor (III), trochlear (IV), abducens (VI) Superior and inferior Opthalmic veins

Question 38

Passage way of the maxillary branch of the trigeminal nerve (V2)

Answer 38

Foramen rotundum

Question 39

Sockets for the lower teeth in the mandible

Answer 39

Alveolar margin

Question 40

Structure that passes through the foramen spinosum

Answer 40

Middle meningeal artery