This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Ophthalmology
Dye is injected in which vessel in cerebral angiography: 
Select and explain. 
A. Brachial aery, B. Cubital vein, C. Femoral aery, D. Carotid aery
D: Carotid aery
Answer: D: Carotid aery 
Explanation: D i.e. Carotid aery