Ophthalmology Question: Download Questions PDF
With regard to the blood retina barrier:
Answer:
* a) The outer blood retina is formed by the retinal pigment epithelium cells and their junctions
* b) The basement membrane of the retinal capillaries is a major component of the inner blood retina barrier
* c) The blood retina barrier is typically defective in the immediate perpapillary region
* d) The retinal vascular endothelial cells can actively transport fluid and anions from the extra cellular space of the retina into the circulation
* e) Inhalation of 10 % of carbon dioxide causes rapid breakdown of the inner blood retinal barrier
Answer a. T b. F c. T d. T e. T
* b) The basement membrane of the retinal capillaries is a major component of the inner blood retina barrier
* c) The blood retina barrier is typically defective in the immediate perpapillary region
* d) The retinal vascular endothelial cells can actively transport fluid and anions from the extra cellular space of the retina into the circulation
* e) Inhalation of 10 % of carbon dioxide causes rapid breakdown of the inner blood retinal barrier
Answer a. T b. F c. T d. T e. T
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