The Auscultation of Bronchophony,egophony,and Whispered Pectoriloquy Provides Useful Information to Determine

The auscultation of bronchophony,egophony,and whispered pectoriloquy provides useful information to determine if the lungs are filled with air or fluid.Which guideline is recommended for examining these voice sounds?

A) Only one of the three techniques needs to be performed, because they all provide the same information.
B) All of the techniques need to be included in a comprehensive examination if tactile fremitus has been performed.
C) All three techniques should be performed if an abnormality is detected during the general auscultation, percussion, or palpation.
D) Two of the three techniques should be performed if an abnormality is detected during the general auscultation, percussion, or palpation.