Head and neck radiology

Question 1

good vizualization of bone [eg. fractures and calcifications]

Answer 1

MDCT

Question 2

excellent soft tissue vizn [directly multiplanar]

Answer 2

MRI

Question 3

imaging modality based on a radioisotope [eg. 18FDG]

Answer 3

PET

Question 4

Waters view

Answer 4

for osteomeatal complex

Question 5

schullers view

Answer 5

for eye structures

Question 6

battles sign

Answer 6

also known as mastoid ecchymosis, is an indication of fracture of middle cranial fossa of the skull. These fractures may be associated with underlying brain trauma. Battle’s sign consists of bruising over the mastoid process as a result of extravasation of blood along the path of the posterior auricular artery.[1] The sign is named after William Henry Battle.[2]

Question 7

Danger space

Answer 7

green line is sirs ppt going down the neck

Question 8

patient: paralysis of the muscles of the entire right side of the face

Answer 8

lesion of the right facial nerve

Question 9

elliptical opening bw the eyelids

Answer 9

palpebral fissure

Question 10

deep surface of the eyelids

Answer 10

conjunctiva

Question 11

opens directly onto the eyelash follicles

Answer 11

glands of zeis [sebaceous]

Question 12

opens between eyelashes

Answer 12

glands of moll [sweat gland]

Question 13

opens onto the margin of the eyelid

Answer 13

tarsal gland [sebaceous]

Question 14

secretion of which gland prevents the overflow of tears and helps thh closed eyelids airtight

Answer 14

tarsal gland

Question 15

function of sulcus

Answer 15

trapsmall foreign particles intoduced to the conjunctival sac

Question 16

lateral rectus nerve supply?

Answer 16

abducent nerve [6th CN]

Question 17

superior oblique nerve supply?

Answer 17

tochlear nerve[CN 4]

Question 18

dilator pupillae

Answer 18

sympathetic

Question 19

lacrimal nerve arise from

Answer 19

ophthalmic div of trigeminal nerve

Question 20

look medially and downward

Answer 20

superior oblique muscle

Question 21

look medially and upward

Answer 21

inferior oblique

Question 22

yellowish are of the eye

Answer 22

macula lutea

Question 23

central dip of the eye

Answer 23

fovea centralis

Question 24

eye trauma

Answer 24

diplopia, loss on sensation in cheeks, limit upward gaze.

Question 25

lining skin of ear nerve supply

Answer 25

auriculotemporal nerve adn auricular branch of vagus nerve.

Question 26

tensor tympani nerve supply

Answer 26

mandibular branch of TG nerve

Question 27

stapedius muscle nerve supply

Answer 27

facial nerve

Question 28

ring of fibrous tissue at the fenestra vestibuli

Answer 28

anular ligament

Question 29

pulls the neck of the mandible forward

Answer 29

lateral pterygoid

Question 30

elevates the mandible

Answer 30

medial pterygoid

Question 31

roof of mouth nerev supply

Answer 31

greater palatine and nasopalatine

Question 32

floor of mouth nerve supply

Answer 32

lingual nerve

Question 33

cheek nerve supply

Answer 33

buccal nerve

Question 34

lingual nerve is closely related to the ?

Answer 34

lower third molar tooth

Question 35

nerve supply of the muscles of the tongue

Answer 35

hypoglossal nerve

Question 36

blood supply of the tongue

Answer 36

lingual artery

Question 37

nerve s. of ant two thirds of the tongue

Answer 37

lingual artery and chorda tympani

Question 38

nerve s. of posterior one third of the tongue

Answer 38

glossopharyngeal nerve

Question 39

palatoglossus nerve supply

Answer 39

pharyngeal plexus