The nurse notes scattered rhonchi when auscultating the patient's chest. How do rhonchi differ from crackles?

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Rhonchi are low-pitched, continuous sounds that are produced by secretions in the larger airways. They are typically heard during both inspiration and expiration and are not affected by coughing. Crackles, on the other hand, are high-pitched, discontinuous sounds that are produced by the opening of small airways. They are typically heard only during inspiration and are affected by coughing.

The Nurse Notes Scattered Rhonchi When Auscultating the Patient's Chest