Certification in Infection Prevention and Control (CIC) Practice Exam 2025 - Free CIC Practice Questions and Study Guide

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Which lung sounds are commonly associated with Legionnaires' disease?

Wheezing

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Crackles

Crackles, also known as rales, are commonly associated with Legionnaires' disease due to the disease’s impact on the lungs. In Legionnaires’ disease, which is a severe form of pneumonia caused by the Legionella bacteria, inflammation and fluid accumulation in the alveoli can occur. This leads to the characteristic crackling sounds heard when a healthcare professional auscultates the lungs. These sounds indicate that there are fluid-filled or inflamed areas in the respiratory system, which is typical in patients presenting with pneumonia.

Understanding the different types of lung sounds is crucial in the field of infection prevention and control because they can assist in early detection and diagnosis of respiratory infections, including those caused by Legionella. By recognizing crackles, healthcare providers can initiate appropriate investigations and interventions promptly.

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