|
A randomized
double-blind study is conducted of the efficacy of steroids in
alleviating dyspnea in patients with COPD. Of those patients who
report less breathing discomfort with steroids, only a subset
have objective evidence of improvement in lung function.
Question
31.1
The likely explanation
for the reduction in dyspnea in the remaining patients is:
 | Improved
lung function not detected by the tests |
 | Placebo
effect |
 | Change
in mood |
 | Improved
cardiac performance |
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