This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Arterial Disorders, Subject name: Surgery
[{'content': "Adson's test is for determining vascular compression. It is useful in - \nSelect and explain. \nA. Peripheral vascular disease, B. Varicose veins, C. Cervical rib, D. AV fistula", 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. (c) Cervical ribRef: Short cases in Surgery, RajamahendranThe tests to identify the compression of the Subclavian artery by Cervical Rib are:* Roos test* Adson's test* Halstead testAllen's test is done to look for patency of Palmar arches.", 'role': 'assistant'}]