Fine crackles are adventitious lung sounds. This quiz will test your knowledge on how to identify fine crackles (rales).
Don’t forget to check out the other lung sound quizzes in this series and to watch the lecture on fine crackles.
Fine Crackles Lung Sounds Quiz
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Fine Crackles Lung Sounds Quiz
1. Fill-in-the-blank: Fine crackles occur toward the _________ of inspiration.
A. middle
B. beginning
C. end
D. middle and end
The answer is C. Fine crackles occur toward the end of inspiration.
2. True or False: Fine crackles are very long in duration.
Answer: FALSE…fine crackles are brief (short).
3. Are fine 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 fine crackles usually located in the respiratory system? Select-all-that-apply:
A. Bronchi
B. Trachea
C. Alveoli
D. Bronchioles
The answers are C and D. Fine crackles tend to occur in the smaller airways such as the alveoli and bronchioles.
5. What descriptive word could the nurse use to describe the sound of fine crackles?
A. Bubbling
B. Popping
C. Snoring
D. Harsh-grating
The answer is B: popping Fine crackles can be described as sounding like the light crackling or popping.
6. Which statement below best summarizes why fine 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. “When inhaled air enters into small airways that are collapsed, they suddenly explode open leading to a crackling sound.”
C. “As air leaves the trachea and bronchus it hits secretions like mucus and fluid, which creates a snoring like sound.”
D. “The narrowing of the larynx and trachea from either an object or swelling leads a popping sound on inhalation.”
The answer is B.
7. True or False: Fine crackles create a high-pitched sound on auscultation.
The answer is TRUE.
8. Which patient below is at risk for experiencing fine crackles?
A. A 55-year-old patient with pulmonary hypertension.
B. A 69-year-old patient with deep vein thrombosis
C. A 78-year-old patient with congestive heart failure.
D. A 36-year-old patient with diabetic ketoacidosis.
The answer is C.
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