29. Which of the following statements are accurate?
A. none of the answers are correct
B. Inflammation only occurs if the adaptive immune system has responded to a pathogen.
C. Drugs known as "anti-histamines" can promote or cause excessive inflammation which may be life threatening.
D. Inflammation decreases the activity of immune cells, such as phagocytic cells, in an area.
E. Mast cells are able to produce and release histamine, which acts as a anti-inflammatory molecule.
F. Inflammation increases the blood supply to an area.