Final answer:
The three classifications or descriptions of lung sounds are crackles or rales, wheezes, and stridor. crackles or rales, wheezes, and stridor.
Step-by-step explanation:
The three classifications or descriptions of lung sounds are:
- Crackles or rales: These are abnormal sounds heard during inspiration and may indicate the presence of fluid or mucus in the airways. They can be further classified as fine crackles (sounds like hair rubbing together) or coarse crackles (sounds like Velcro being pulled apart).
- Wheezes: These are high-pitched musical sounds heard during expiration and can be caused by narrowed airways due to inflammation or constriction. They can be further classified as sibilant wheezes (sounds like a whistle) or sonorous wheezes (sounds like snoring).
- Stridor: This is a high-pitched sound heard during inspiration, indicating a narrowing or obstruction in the upper airway. It is commonly associated with conditions such as croup or epiglottitis.