An inflammation response is triggered when... (Multiple Choice)

An inflammation response is triggered when
A. pyrogens are released by erythrocytes.
B. T lymphocytes release interferon.
C. mast cells release granules containing histamine and heparin.
D. natural killer cells attack and ingest bacterial cells.
E. blood flow to an area increases.


When alpha (?) and beta (?) interferon molecules bind to a cell, they signal it to begin protein synthesis. These proteins are capable of carrying out one of the following functions:
A. Destruction of free virus particles
B. Initiation of apoptosis
C. Destruction of the cell by inserting open channels into its membrane
D. Destruction of the virus particles inside the cell
E. Inhibition of the synthesis of viral proteins inside the cell


All but one of the following is attributable to activated components of the complement system. Which is the exception?
A. Formation of a membrane attack complex
B. Isolating of an inflamed area from the surrounding tissue
C. Serving as chemotaxins
D. Acting as opsonins
E. Signalling mast cells to releases histamine