Diabetic Retinopathy Lesions of NPDR 1 Question: FEEDBACK: Lesions of NPDR include (check all that apply) Reason answer is correct or incorrect. dot/blot hemorrhage a This is a lesion of NPDR cotton wool spots b This is a lesion of NPDR vitreous hemorrhage c This is a lesion of PDR only hard exudates d This is a lesion of NPDR IRMA e This is a lesion of NPDR macular edema f This is a lesion of NPDR neovascularization g This is a lesion of PDR only 2 Question: FEEDBACK: Hard exudates Reason answer is correct or incorrect. are lipoprotein precipitates of serum that have a Yes, this is what they are leaked into the retina represent infarction of the retina nerve fiber layer b No they don’t come from neovascularization c No they don’t are frequent causes of decreased vision d Hard exudates seldom cause vision loss but are a marker of macular edema and leakage 3 Question: Hard exudates (check all that apply) FEEDBACK: Reason answer is correct or incorrect. are lipoprotein precipitates of serum a yes come from leaky aneurysms b yes come from IRMA c IRMA do not leak are associated with edema d yes predispose to neovascularization e No they do not can accumulate in circular or linear patterns f. yes 4 Question: FEEDBACK: increased retinal blood flow due to hypoxia can be manifested by ( pick all that apply) Reason answer is correct or incorrect. venous beading a Yes – this is due to increased flow IRMA b Yes – yes this is due to increased flow dot hemorrhages c No – while dot hemorrhages may be associate with hypoxia, they are not due to increased retinal blood flow these hard exudates d These are due to breakdown of blood retina barrier but no increased flow cotton wool spots e These are occlusions of precapillary srterioles Lesions of PDR
Diabetic Retinopathy Lesions of NPDR 1 Question: Lesions of NPDR include (check all that apply) FEEDBACK: Reason answer is correct or incorrect. a dot/blot hemorrhage This is a lesion of NPDR b cotton wool spots This is a lesion of NPDR c vitreous hemorrhage This is a lesion of PDR only d hard exudates This is a lesion of NPDR e IRMA This is a lesion of NPDR f macular edema This is a lesion of NPDR g neovascularization This is a lesion of PDR only 2 Question: Hard exudates FEEDBACK: Reason answer is correct or incorrect. a are lipoprotein precipitates of serum that have leaked into the retina Yes, this is what they are b represent infarction of the retina nerve fiber layer No they don’t c come from neovascularization No they don’t d are frequent causes of decreased vision Hard exudates seldom cause vision loss but are a marker of macular edema and leakage 3 Question: Hard exudates (check all that apply) FEEDBACK: Reason answer is correct or incorrect. a are lipoprotein precipitates of serum yes b come from leaky aneurysms yes c come from IRMA IRMA do not leak d are associated with edema yes e predispose to neovascularization No they do not f. can accumulate in circular or linear patterns yes 4 Question: increased retinal blood flow due to hypoxia can be manifested by ( pick all that apply) FEEDBACK: Reason answer is correct or incorrect. a venous beading Yes – this is due to increased flow b IRMA Yes – yes this is due to increased flow c dot hemorrhages No – while dot hemorrhages may be associate with hypoxia, they are not due to increased retinal blood flow these d hard exudates These are due to breakdown of blood retina barrier but no increased flow e cotton wool spots These are occlusions of precapillary srterioles Lesions of PDR
2947_DiabeticRetinopathy_ArticulateQuiz.docx