Registered Practical Nurse (RPN) Practice Test

Are changes in the immune system associated with psychiatric illnesses?

1. Yes

2. No

3. Only in severe cases

4. Only in children

The correct answer is: Yes

The connection between changes in the immune system and psychiatric illnesses is increasingly recognized in the field of mental health. Research has shown that various immune system alterations can play a crucial role in the development and exacerbation of several psychiatric disorders, such as depression, schizophrenia, and anxiety. For instance, inflammation is a key factor that has been implicated in the pathophysiology of these conditions. Elevated levels of pro-inflammatory cytokines have been noted in patients with depression, suggesting that the immune response might influence neurotransmitter systems, affect brain function, and lead to mood changes. Moreover, autoimmune disorders and chronic inflammation have been linked to psychiatric symptoms, supporting the notion that the interface between the immune system and the brain is essential for understanding mental health conditions. The other choices imply limitations on the association; however, the relationship is not confined to certain severity levels or age groups. Evidence indicates that immune changes can impact individuals across different severity levels and age ranges, making the broad answer of "yes" more accurate in acknowledging this complex interplay.