With advancing age, the immune system
A) becomes more effective at combating disease.
B) remains the same and is not affected by the aging process.
C) has alternating periods of efficacy.
D) becomes less effective at combating disease.
E) becomes more responsive to antigens.

Question

Quizplus · Accepted Answer

With advancing age, the immune system becomes less effective at combating disease. This is due to a decrease in the number and function of immune cells, as well as changes in the way these cells respond to antigens. As a result, older adults are more vulnerable to infections and diseases.

With Advancing Age, the Immune System