A patient is vigilant in her efforts to "take good care of herself" but is frustrated by her recent history of upper respiratory infections and influenza. What aspect of the patient's lifestyle may have a negative effect on immune response?
A) The patient works out at the gym twice daily.
B) The patient does not eat red meats.
C) The patient takes over-the-counter dietary supplements.
D) The patient sleeps approximately 6 hours each night.
Ans: A
Feedback:
Rigorous exercise or competitive exercise—usually considered a positive lifestyle factor—can be a physiologic stressor and cause negative effects on immune response. The patient's habits around diet and sleep do not present obvious threats to immune function.
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