Which of the Following Factors Increases a Person's Susceptibility to Infection

Question

Which of the following factors increases a person's susceptibility to infection?
A)Old age.
B)Stress.
C)Damaged skin.
D)Cancer chemotherapy.
E)All of the above.

Accepted Answer

All of the above factors increase a person's susceptibility to infection. Old age can weaken the immune system, stress can suppress the immune system, damaged skin can provide an entry point for pathogens, and cancer chemotherapy can compromise the immune system as well. Therefore, all of these factors can increase the risk of infection.