This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Retina, Subject name: Ophthalmology
In retinal artery angiogram, the dye is injected through the: 
Select and explain. 
A. Peripheral veins, B. Aorta, C. Retinal artery, D. Retinal vein
A: Peripheral veins
Answer: A: Peripheral veins 
Explanation: a) peripheral veins ref: khurana 3rd/e p.39