This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.N.S., Subject name: Medicine
A patient presented with right sided hemiplegia while on warfarin. Which of the following will be the initial investigation of choice? 
Select and explain. 
A. Chest X-ray, B. CT- scan, C. MRI, D. PET-scan
B: CT- scan
Answer: B: CT- scan 
Explanation: Ans. B. CT-scan* For evaluation of bleeding in the brain the preferred investigation is CT scan. The bleeding in the brain shows up as hyper-density on CT scan.