[Campbell Biology P.1024] Based on the description of immune system disruptions, what is the ... | Practice Question

Based on the description of immune system disruptions, what is the defining characteristic of autoimmune diseases like multiple sclerosis?

  • A: The immune system is unable to produce sufficient antibodies against foreign pathogens.
  • B: The immune system has lost its self-tolerance, leading to an attack on the body's own tissues.
  • C: The body exhibits an exaggerated immune response to harmless environmental substances.
  • D: Pathogens are evading the immune system through antigenic variation or latency.

Explanation

Concept 43.4 explicitly states: 'Loss of self-tolerance can lead to autoimmune diseases, such as multiple sclerosis.'