When Assessing a Patient with Chronic Anxiety, the Nurse Notes

When assessing a patient with chronic anxiety, the nurse notes that the patient also suffers from frequent infections. Which is most likely the reason for the patient's frequent infections?

A) Trait anxiety leads to immune system compromise.
B) Trait anxiety is a defense mechanism for psychological illness.
C) Proteins released by immune cells indirectly influence brain activity.
D) Psychological illness occurs due to a lack of interpersonal relationships, resulting in manifestations of physiological illness.