Week 1 - wet room 1

Question 1

what are 3 parts which the skull is divided into?

Answer 1

the neuro-cranium
the facial skull (viscera cranium)
mandible

Question 2

what is the most common joint type found between most bones in the skull?

Answer 2

fibrous suture joint

Question 3

what is the structure of a skull bone like?

Answer 3

3 layers
upper and lower layer = compact bone
middle layer = spongy bone / diploe

Question 4

which part of the skull bone contains red marrow?

Answer 4

the diploe

Question 5

how many bones are there of the cranium and what are they called?

Answer 5

8;
frontal 
parietal ( set of 2) 
temporal (set of 2)
occipital 
sphenoid 
ethmoid

Question 6

what is the name of the suture which joins the 2 parietal bones together?

Answer 6

sagittal

Question 7

where is the coronal suture found?

Answer 7

between the frontal and parietal bones

Question 8

what is the name of the suture which connects the parietal and he occipital bones?

Answer 8

lambdoid suture

Question 9

what type of bones make up the facial skeleton / facial cranium?

Answer 9

irregular bones

Question 10

what are the 6 main bones of the facial skeleton?

Answer 10

frontal bone
nasal 
lacrimal 
zygomatic 
maxilla
mandible

Question 11

what is the name of the bump on the occipital bone called?

Answer 11

occipital protuberance

Question 12

where would you find the mastoid process? and what bone is it found on?

Answer 12

behind the ear

temporal bone

Question 13

where would you find the zygomatic arch and from what bones is it formed by?

Answer 13

cheek bone

zygomatic and temporal bones

Question 14

where would you find the soloed process and from what bone is it found?

Answer 14

slender pointed piece of bone found under the ear

temporal bone

Question 15

what is the part on the occipital bone which articulates with the 1st cervical vertebra (Atlas)?

Answer 15

occipital condyles

Question 16

what are the 3 fossae with the cranial cavity is divided into?

Answer 16

anterior fossa
middle fossa
posterior fossa

Question 17

what is the name of the largest foramina in the skull and what structures pass through it?

Answer 17

formane magnum
medulla and meninges
r. and l. vertebral arteries
dural veins

Question 18

what are th features of the sphenoid bone which can be viewed from the inside of the skull?

Answer 18

greater and lesser wings
pterygoid plates
pituitary fossa
body

Question 19

what is the name for the sockets of the eyeballs?

Answer 19

orbits

Question 20

what decreases the weight of the skull?

Answer 20

air sinuses and sacs

Question 21

what are the 3 bones which make up the ear ossicles?

Answer 21

malleus
incus
stapes

Question 22

where are the ear ossicles located?

Answer 22

external auditory meatus (external ear canal)

petrous part of the temporal bone immediately inside this canal on the floor of the skull

Question 23

what is the suborbital and subtrochlear arteries branches of?

Answer 23

ophthalmic artery

Question 24

what are 3 main branches of the external carotid artery which supplies the head?

Answer 24

superficial temporal
posterior auricular
occipital

Question 25

what vein does the supratrochlear and supraorbital veins drain into?

Answer 25

facial vein - EJV

Question 26

what vein does the superficial temporal drain into?

Answer 26

retromandibular - EJV

Question 27

what vein does the posterior auricular vein drain into?

Answer 27

EJV

Question 28

what vein does the occipital vein drain into?

Answer 28

EJV

Question 29

what allows spread of infection from the scalp into the cranial cavity?

Answer 29

emissary veins

Question 30

what vein does the facial vein drain into?

Answer 30

internal jugular vein

Question 31

what artery is the facial a branch of?

Answer 31

external carotid artery