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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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Which of the following aoic arches is known as pulmonary arch?
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The correct answer is  The sixth aoic arch, also known as the pulmonary arch, gives off an impoant branch that grows toward the developing lung bud. Ref: Langman's embryology 11th edition Chapter 12.