Coarse Crackles Lung Sounds Quiz

Coarse crackles are adventitious lung sounds. This quiz will test your knowledge on how to identify coarse crackles.

Don’t forget to check out the coarse crackles notes, along with other lung sound quizzes in this series. Also, we have a lecture on coarse crackles.

Coarse Crackles Lung Sounds Quiz

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1. When would the nurse expect to auscultate coarse crackles during the respiratory cycle?

A. end of inspiration

B. beginning of inspiration

C. end of expiration

D. throughout inspiration and expiration

The answer is B. Coarse crackles occur around the beginning of inspiration and can extend to expiration, and is longer than fine crackles.

2. True or False: Coarse crackles are shorter and softer than fine crackles.

Answer: FALSE…fine crackles are shorter and softer than coarse crackles.

3. Are coarse crackles considered a continuous or discontinuous adventitious lung sound?

A. both continuous and discontinuous

B. discontinuous

C. continuous

The answer is B: discontinuous

4. Where are coarse crackles usually located in the respiratory system?

A. Bronchi

B. Larynx

C. Alveoli

D. Pleural layers

The answers are A. Coarse crackles tend to occur in the larger airways such as the bronchi.

5. What descriptive word could the nurse use to describe the sound of coarse crackles?

A. Bubbling

B. Popping

C. Snoring

D. Harsh-grating

The answer is A: bubbling Coarse crackles can be described as sounding like gurgling or bubbling that does not go away with coughing.

6. Which statement below best summarizes why coarse crackles are occurring in a patient?

A. “The pleural layers in the lungs are inflamed and rub against each other creating a harsh-grating sound.”

B. “Narrowing of the larynx and trachea from either an object or swelling leads a popping sound on inhalation.”

C. “As air leaves the trachea and bronchus it hits secretions like mucus and fluid, which creates a snoring like sound.”

D. “Air the patient breathes in hits partially blocked airways in the large bronchi that are blocked with fluid or thick mucus creating a bubbling sound.”

The answer is D.

7. True or False: Coarse crackles create a high-pitched sound on auscultation that is cleared with coughing or suctioning.

The answer is FALSE. Coarse crackles create a Low-pitched sound on auscultation that is NOT cleared with coughing or suctioning.

8. Which health condition below is NOT usually a cause of coarse crackles?

A. Pulmonary edema

B. Bronchiectasis

C. Pneumonia

D. Acute asthma attack

The answer is D. In acute asthma wheezing is usually noted.

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