Pleural friction rub is an adventitious lung sounds. This quiz will test your knowledge on how to identify the characteristics of a pleural rub.
Don’t forget to check out the pleural friction rub notes, along with other lung sound quizzes in this series. Also, we have a pleural friction rub video that you might find helpful.
Pleural Friction Rub Lung Sounds Quiz
Pleural Friction Rub Lung Sounds
1. How would a nurse know they were hearing a pleural friction rub based on the timing of the sound?
A. The sound is noted on inspiration and expiration.
B. The sound is noted at the beginning of expiration.
C. The sound is noted at the end of inspiration and extends into expiration.
D. The sound is noted on expiration only.
The answer is A. A pleural friction rub is noted on inspiration and expiration. This is because as the patient breathes in and out the pleural layers are rubbing against each other creating the sound.
2. Which characteristic below is found with a pleural friction rub?
A. high-pitched
B. disappears with suctioning
C. pain with coughing, deep breathing, or laughing
D. mainly located in the smaller airways like the bronchioles
The answer is C. A pleural friction rub is LOW-pitched, is not affected by suctioning or coughing, does cause pain with coughing/deep breathing/laughing etc., and is located within the pleural layers.
3. While assessing a patient’s lung sounds the nurse notes a pleural friction rub. What defining characteristic below best describes the sound the nurse auscultated?
A. “snoring”
B. “popping”
C. “musical”
D. “harsh-grating”
The answer is D. The term “harsh-grating” can be used to describe a pleural friction rub. This sound occurs because the two layers (visceral and parietal) are literally rubbing against each other creating the sound.
4. True or False: A pleural friction rub occurs because the layers around the lungs known as the tunica adventitia pleura and parietal pleura are inflamed and rubbing against each other.
The answer is FALSE. The statement should say: “A pleural friction rub occurs because the layers around the lungs known as the VISCERAL pleura (NOT tunica adventitia pleura) and parietal pleura are inflamed and rubbing against each other.
5. Select the statement below that provides correct information about a pleural friction rub:
A. “This sound occurs as air leaves the trachea and bronchus and hits secretions like mucus and fluid, creating a snoring like sound.”
B. “It’s occurring because there is narrowing of the larynx and trachea due to swelling from an infection or blockage from an object.”
C. “It can present with cases of pleurisy.”
D. “It sounds like the light crackling or popping of a fire.”
The answer is C. Pleural friction rub can present with cases of pleurisy (hence inflammation of the pleural layers.)
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