Which of the following activities are known to have a positive effect on the immune function of older adults? (Select all that apply.)
A) Careful control of chronic conditions such as diabetes and hypertension.
B) Adherence to a healthy diet that emphasizes fruits and vegetables.
C) Annual pneumococcal and hepatitis vaccinations.
D) Use of relaxation techniques such as yoga and meditation.
E) Performance of physical exercise to stimulate the release of cortisol.
A, B, D
Feedback:
A healthy diet, relaxation techniques, and control of diabetes and hypertension can all promote healthy immune function. Pneumococcal vaccination is only required once in an individual's lifetime and not all older adults require hepatitis vaccination. Cortisol is deleterious rather than beneficial.
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