Special Senses - Dry Room

Question 1

what is the anterior border of the MIDDLE cranial fossa?

Answer 1

sphenoid bone

Question 2

what is the posterior boundary of the MIDDLE cranial fossa?

Answer 2

occipital bone

Question 3

what are the bones that form the floor of the middle cranial fossa?

Answer 3

sphenoid and temporal bone

squamous and petrous part

Question 4

the anterior border of the posterior cranial fossa?

Answer 4

temporal bone

Question 5

posterior border of the posterior cranial fossa?

Answer 5

occipital bone

Question 6

name the foramina of the anterior cranial fossa

Answer 6

foramina of the cribriform plate

Question 7

what passes through the foramen of the cribriform plate?

Answer 7

olfactory nerve

Question 8

what passes through the optic foramen?

Answer 8

optic nerve (CN2)

ophthalmic artery

Question 9

what passes through the superior orbital fissure?

Answer 9

Oculomotor nerve (CN3)

trochlear nerve (CN4)

ophthalmic (V1) division of the trigeminal (CN5)

abducens nerve (CN6)

Question 10

what passes through the foramen rotundum?

Answer 10

maxillary (V2) division of the trigeminal (CN5)

Question 11

what passes through the foramen ovale?

Answer 11

mandibular (V3) division of the trigeminal (CN5)

Question 12

what passes through the formamen spinosum?

Answer 12

middle meningeal artery

Question 13

what passes through the foramen lacerum?

Answer 13

internal carotid artery

Question 14

what passes through the carotid canal?

Answer 14

internal carotid artery

Question 15

what passes through the internal acoustic meatus ?

Answer 15

vestibulocochlear nerve (CN8)

Facial nerve (CN7)

Question 16

what passes through the jugular foramen?

Answer 16

vagus nerve (CN10)

glossopharyngeal (CN9)

internal jugular vein

sigmoid sinus

Question 17

what passes through the hypoglossal foramen?

Answer 17

hypoglossal nerve (CN12)

Question 18

what passes through the foramen magnum?

Answer 18

accessory nerve (CN11)

spinal cord

vertebral arteries

Question 19

what passes through the stylomastoid foramen?

Answer 19

facial nerve

Question 20

where is the stylomastoid foramen?

Answer 20

opening between the base of the styloid and mastoid process of the temporal bone

(sits just above the spinous process)

Question 21

what lies on top of the lacerum?

Answer 21

ICA

Question 22

what are the two end branches of the ECA?

Answer 22

superficial temporal artery

maxillary artery

Question 23

what is the sella turcica?

Answer 23

a deep depression in the midline in the middle cranial fossa

Question 24

what does the sella turcica house?

Answer 24

the pituitary gland

Question 25

where is the sella turcica found?

Answer 25

body of the sphenoid bone

Question 26

the superior orbital fissure lies ……….. to the groove for the cavernous sinus

Answer 26

anterior

Question 27

medial pterygoid plates attach to what muscle?

Answer 27

superior constrictor of pharynx

Question 28

lateral pterygoid plates attach to what muscle?

Answer 28

pterygoid muscles

Question 29

a neonatal skull is not fully ossified therefore making itL

Answer 29

less rigid and more flexible

Question 30

what kind of ossification occurs in the irregular bones of the base of the skull?

Answer 30

endochondrial

Question 31

differences in child and adult skull

Answer 31

fontanelles (gaps/spaces)

dentition (no alveolar spaces in infants)

tympanic membrane (absent in child)

styloid and mastoid processes (not present in temporal bone)

Question 32

what age do the fontanelles fuse?

anterior

posterior

Answer 32

anterior - 2 years

posterior - 2 to 3 months

Question 33

what type of cell lines the dorsal surface of the tongue?

Answer 33

stratified keratinised squamous epithelium

Question 34

what muscle fibres underly the epithelium of the tongue?

Answer 34

skeletal