opthamology wrong

Question 1

what part of the brain processes superior field vision

Answer 1

temporal lobe
(inferior retinae)

Question 2

what part of the brain processes inferior field vision

Answer 2

parietal lobe
(superior retinae)

Question 3

what cause of trauma to the eye is most concerning and why

Answer 3

alkali burn

causes disruptive liqufactive necrosis w/ breakdown of normal cellular barriers facilitatinf deeper penetration of chemicals

Question 4

what type of necrosis does an acid burn to the eye cause

Answer 4

coagulitive necorsis

(this type of necrosis prevents deep penetration of chemical to the eye. does not get pst cornea)

Question 5

what differentiates vitreous haemorraghe from retinal detachment

Answer 5

vitreous haemorraghe complain of dark spots in their vision

retinal detachment patients complain of a shadow blocking their vision starting peripherally and progresses centrally

Question 6

“extracellular material between bruchs membrane and the retinal pigment epithelium of the eye” wht is it

Answer 6

drusen- dry age related macular degeneration

Question 7

• night blindness + tunnel vision
  what is it likely to be

Answer 7

retinitis pigmentosa

Question 8

horners syndrome with anhidrosis of face arm and trunk causes
and where would this lesion be

Answer 8

central lesion

stroke, MS, tumour etc

Question 9

horners syndrome with anhidrosis only of the face causes
and where would this lesion be

Answer 9

pre ganglionic;

pancoast tumour, thyroidectomy, trauma, cervical rib

Question 10

horners syndrome with no anhidrosis causes
and where would this lesion be

Answer 10

post ganglionic;

4 Cs
carotid artery dissection
Carotid anyuersm
Cavernous sinus thrombosis
Cluster headache

Question 11

most common causative organism for bacterial keratitis is

Answer 11

psuedomonas aeruginosa