When the body's defenses turn against its own cells, the disorder is called

When the body's defenses turn against its own cells, the disorder is called
  a. an autoimmune response.
  b. anaphylactic shock.
  c. acquired immune deficiency syndrome.
  d. passive immunity.
  e. an inflammatory response.

Question 2

Which of the following statements is false?
  a. Individuals are injected with antibodies in passive immunity.
  b. A genetically engineered virus is not as potentially dangerous as a weakened but intact
  pathogen.
  c. Allergies occur when the body makes a secondary immune response to a normally
  harmless substance.
  d. Allergies are a nuisance but are never dangerous or life-threatening.
  e. Allergies cause the secretion of mucus, prostaglandins, and histamines.