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: Unknown
[{'content': "All are tests for stoppage of circulation EXCEPT: \nSelect and explain. \nA. Magnus test, B. Winslow's test, C. Icard's test, D. Diaphanous test", 'role': 'user'}, {'content': 'Answer: B \nExplanation: Tests of respiration: Winslow’s test- No movement of reflection of light shone on mirror, or surface of water in bowl, kept on the chest. Tests of circulation: (1) Magnus test (ligature test): Fingers fail to show congestion & swelling to a ligature applied at their base. (2) Diaphanous test (transillumination test):\xa0 Failure to show redness in the web-space between the fingers on transillumination from behind. (3) Icard’s test: Fluorescein dye on being injected at a given site in a dead body fail to produce yellowish-green discolouration in a dead body.)', 'role': 'assistant'}]