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Questions and Answers
What is the primary function of the vitreous gel in regards to solute diffusion?
What is the primary function of the vitreous gel in regards to solute diffusion?
- To impede solute diffusion from the retinal vessels into the posterior vitreous
- To facilitate solute diffusion from the anterior segment into the posterior vitreous
- To slow down diffusion of solutes from the retinal vessels into the posterior vitreous (correct)
- To completely block solute diffusion from the anterior segment into the posterior vitreous
What is the role of the vitreous in maintaining oxygen levels in the eye?
What is the role of the vitreous in maintaining oxygen levels in the eye?
- To supply oxygen directly to the retina
- To maintain high oxygen levels throughout the vitreous
- To prevent high oxygen levels from reaching the posterior lens surface (correct)
- To increase oxygen levels in the posterior lens surface
What is the vitreous's role in metabolism?
What is the vitreous's role in metabolism?
- To act as a buffer for pH levels in the eye
- To act as a source of oxygen for the retina
- To act as a reservoir of glucose for retinal metabolism (correct)
- To act as a waste removal system for the retina
What is the result of aging on the vitreous gel structure?
What is the result of aging on the vitreous gel structure?
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What is the role of the vitreous in pharmacology?
What is the role of the vitreous in pharmacology?
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