<prompt> Boundary of triangle of auscultation is formed by all EXCEPTScapulaTrapeziusSerratus anteriorLatissimus dorsi  <response>: Triangle of auscultation helps in hearing breath sounds clearly and splash sound of food entering stomach. The triangle is formed by: Trapezius - medial border, Lattismus Dorsii - lower border and Scapula- lateral border Fig. Triangle of auscultation 