Explain the differences between the primary and secondary line of defense. What factors interfere with these mechanisms?

Nursing homework help
Select two of the following discussion questions for your discussion response. Indicate which questions you have chosen using the format displayed in the “Discussion Forum Sample.”
Inflammation is a process that accompanies many different autoimmune disease processes. In addition, a diet that is high in sugars and processed foods can also cause inflammation. Discuss health risk factors related to dietary habits and inflammation.
Explain the differences between the primary and secondary line of defense. What factors interfere with these mechanisms? How are these levels of immunity affected in a child, an elderly person, or a person with a chronic disease?
Ms. Smith presents to her primary care provider (PCP) for a comprehensive medical exam. titers for various childhood diseases are included in the exam because she is not able to find her immunization records. What are “titers” and what type of testing is required to establish immunity?
at least 250 words with reference no older than 5 years and intext citation.