This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: JIPMER 2018, Subject name: Ophthalmology
Most radioresistant layer of retina: 
Select and explain. 
A. Layer of Rods and cones, B. Retinal Pigment epithelium, C. Outer plexiform layer, D. Ganglion cell layer
B: Retinal Pigment epithelium
Answer: B: Retinal Pigment epithelium 
Explanation: Most radio resistant layer of retina is retinal pigment epithelium Most radiosensitive structure of retina is endothelium of blood vessels of retina. Most radiosensitive structure of eye is lens.