Which of the following is not a factor that weakens host defenses against infections?
A. genetic defects in immunity
B. physical and mental stress
C. strong, healthy body
D. chemotherapy
E. old age
Answer: C
Which of the following is not a factor that weakens host defenses against infections?
A. genetic defects in immunity
B. physical and mental stress
C. strong, healthy body
D. chemotherapy
E. old age
Answer: C
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.