What are the bubbly sounds called (heard via stethoscope) that may indicate pulmonary pathology?

Question

Quizplus · Accepted Answer

Rales, also known as crackles, are bubbly or crackling sounds that can be heard via a stethoscope and may indicate pulmonary pathology such as pulmonary edema or pneumonia.

Answer: D) auscultation 
 Auscultation refers to the act of listening to internal sounds with a stethoscope and is the method used to identify rales and other abnormal pulmonary sounds.

The other answer choices (B, C, E) are not related to bubbly sounds heard via stethoscope that may indicate pulmonary pathology.

What Are the Bubbly Sounds Called (Heard Via Stethoscope) That