12. Document 3 abnormal findings of auscultation. 1) Rales - are the clicking, rattling, or crackling noises that may be made by one or both lungs of a human with a respiratory disease during inhalation. 2) Rhonchi � low pitched, musical, snoring, adventitious lungs sounds caused by airflow obstruction from secretions. 3) Wheezing � high pitched, musical, squeaking adventitious lung sound.