Author Question: A disease in which the airways have become inflamed due to recurrent exposure to an inhaled irritant ... (Read 159 times)

jho37

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A disease in which the airways have become inflamed due to recurrent exposure to an inhaled irritant is known as _____.
 A) upper respiratory infection
  B) pulmonary fibrosis
  C) chronic obstructive pulmonary disease
  D) chronic bronchitis

Question 2

A/An ___________________ _ is a substance that produces an allergic reaction in an individual.
 Fill in the blank(s) with correct word



ju

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Answer to Question 1

D

Answer to Question 2

allergen



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ju

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