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27 November, 09:59

In trying to differentiate between chronic bronchitis and emphysema, you know that chronic bronchitis:

1. Usually occurs after age 50 and has insidious progressive dyspnea.

2. Usually presents with a cough that is mild and with scant, clear sputum, if any.

3. Presents with adventitious sounds, wheezing and rhonchi, and a normal percussion note.

4. Results in an increased total lung capacity with a markedly increased residual volume.

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  1. 27 November, 10:17
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    The correct answer is option 3.

    Explanation:

    Chronic bronchitis normally occurs with respiratory infection after the age of 35 where is emphysema occurs after the age of 50. There is usually a persistent,

    productive cough of copious mucopurulent sputum where is in emphysema there is no cough or scant if any high breathing sound.

    Thus, the correct answer is option 3.
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