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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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Section of the vagus nerve results in
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The correct answer is  Vagus nerve causes contraction of bronchial muscle helping in expiration. Section of vagus nerve leads to difficulty in expiration and therefore increasing breath holding time. Ref: Ganong&;s review of medical physiology; 23rd edition; pg: 267; table 17-1.