A 64-year-old requests an injection of flu vaccine because her 90-year-old mother died last year from the flu. What is the influenza-related respiratory complication that could have contributed to the mother's death?
A) Complications of COPD
B) Complications related to asthma
C) Inability to clear mucus from the lungs
D) Lack of obvious symptoms leading to complications
C
Feedback:
Influenza destroys ciliated epithelial cells of the respiratory tract and depresses mucociliary clearance. The other cited factors are less likely to have contributed.
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