HEAD AND NECK

Question 1

what is the roof of the skull called?

Answer 1

calvarium

Question 2

what is the facial skull called?

Answer 2

viscerocranium

Question 3

what are 2 functions of the skull?

Answer 3

protect brain
support facial structures

Question 4

what is the infraorbital foramen?

Answer 4

part of maxilla where termination of the infraorbital nerve, maxillary division of the trigeminal nerve and superior alveolar nerve

Question 5

what does pneumatic mean?

Answer 5

air within the bones eg paranasal sinus

Question 6

what bones are pneumatised?

Answer 6

frontal
ethmoid
sphenoid
temporal
maxilla

Question 7

where does the middle and inner ear sit?

Answer 7

petrous part of the temporal bone

Question 8

what are cranial sutures?

Answer 8

dense fibrous joints made of collagen

Question 9

what do cranial sutures allow?

Answer 9

bones to move over each other during child birth

Question 10

where is the coronal suture?

Answer 10

between the frontal and parietal bones

Question 11

where is the saggital suture?

Answer 11

between the 2 parietal bones

Question 12

where is the lambdoid suture?

Answer 12

between parietal and occipital

Question 13

what is the anterior fontanelle?

Answer 13

joining between cranial and sagittal suture

Question 14

where is the posterior fontanelle?

Answer 14

joining between the sagittal and lambdoid suture

Question 15

when does the anterior fontanelle close?

Answer 15

between 18 months and 2 years

Question 16

when does the posterior fontanelle close?

Answer 16

sometimes closed at birth or 1 to 2 months

Question 17

where is the mastoid process?

Answer 17

part of the temporal bone behind the ear

Question 18

what does the mastoid process contain?

Answer 18

mastoid air cells

Question 19

what does inflammation of the mastoid air cells cause?

Answer 19

otis media

Question 20

where is the foramen magnum ?

Answer 20

Hole in occipital bone at base of skull

Question 21

what passes through the foramen magnum?

Answer 21

spinal cord to attach to brain

Question 22

where does the olfactory nerve enter the skull?

Answer 22

through cribriform plate of ethmoid bone

Question 23

what enters the skull through the internal auditory medius?

Answer 23

vestibulocochlear nerve
facial nerve

Question 24

what nerve controls balance and hearing?

Answer 24

vestibulocochlear

Question 25

what bone forms the cheeks?

Answer 25

zygomatic

Question 26

what does the zygomatic bone join?

Answer 26

frontal sphenoid temporal maxilla

Question 27

what is the crash impact barrier of the face during development?

Answer 27

zygomatic bone

Question 28

why are the nasal bones further forward than the orbital bones?

Answer 28

allows wide vision

Question 29

what is the weakest point of the skull?

Answer 29

pterion

Question 30

what happens if there is trauma to the pterion?

Answer 30

rupture of the middle meningeal artery and vein
lucid interval where patient feels fine
then dura pressed off skull as extradural haemorrhage
then patient looses consciousness

Question 31

what nerves supply extra ocular muscles?

Answer 31

CN 3 4 6

Question 32

what does the frontal bone separate the orbit from?

Answer 32

anterior cranial fossa

Question 33

wha does the maxilla separate the orbit from?

Answer 33

underlying maxillary sinus

Question 34

what does the ethmoid separate the orbit from?

Answer 34

ethmoid sinus