This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Trauma, Subject name: Surgery
All are criteria for CT head in trauma Except 
Select and explain. 
A. GCS <13 at presentation, B. GCS 14 at 2 hours, C. Detion of mouth, D. One episode of vomiting
D: One episode of vomiting
Answer: D: One episode of vomiting 
Explanation: More than one episode requiredIndications for CT head in traumaGCS <13 at any pointGCS 13 or 14 at 2 hoursFocal neurological deficitSuspected open, depressed or basal skull fractureMore than one episode of vomitingAny patient with a mild head injury over the age of 65 years or with a coagulopathy, for instance, warfarin use, should be scanned urgentlyDangerous mechanism of injury or antegrade amnesia >30 minutes warrants CT within 8 hoursBailey and Love 26e 314