High-pitched breath sounds produced by airway narrowing are known as:

A) Rales
B) Crackles
C) Rhonchi
D) Wheezing

Wheezing is a high-pitched sound produced by narrowing of an airway.Rales and crackles are crackling sounds that indicate atelectasis,pulmonary edema,or pneumonia.Rhonchi are low-pitched snoring or rumbling sounds that result from mucous secretions in the large airways.