This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Fundamentals in Radiology, Subject name: Radiology
Patient with a metallic foreign body in the eye,which of the following investigation is contraindicated? 
Select and explain. 
A. X-Ray, B. CT, C. USG, D. MRI
D: MRI
Answer: D: MRI 
Explanation: MRI is contraindicated in Cardiac pacemakers Aneurysmal metallic clips Metallic foreign body Cochlear implant Claustrophobia(Relative contraindication)