Essential Lung Sounds Bronchial - Auscultation Lesson Bronchial lung sounds are hollow, tubular sounds that are lower pitched. Listen The patient's position is seated. Visualize LessonsNormal Vesicular.Diminished Vesicular.✓Bronchial.Wheezes.Rhonchi - low-pitched Wheezes 316.Fine Crackles (Rales).Coarse Crackles (Rales).Bronchovesicular.Stridor.Pleural Friction Rub.Sign in to enable progress reports and certificates.