The Correct Definition of Rhonchi Is

The correct definition of rhonchi is:

A) a somewhat musical sound heard in the lungs, usually with a stethoscope, that is caused by partial airway obstruction.
B) an abnormal lung sound, heard with a stethoscope, that sounds like Rice Krispies^®.
C) a coarse, gurgly sound heard in the lungs with a stethoscope, usually caused by secretions in the air passages.
D) a high-pitched upper airway sound, usually heard without a stethoscope, indicating airway obstruction; a medical emergency.