Never erase; use white-out instead

Which of the following may indicate an explosive/incendiary attack?

A. Unusual security B. Abandoned spray devices C. An electromagnetic pulse (EMP) D. Unusually colored smoke or flames

A test to detect specific IgE antibodies to allergens used to determine the substance(s) a patient is allergic to is the:

A) radioallergosorbent test (RAST). B) multiple allergosorbent test system (MAST). C) oral food challenge. D) intradermal test.