Fill in the blank(s) with the appropriate word(s).
R01.1
What is the typical life cycle of a model code edition?
A. 2-4 years B. 3-5 years C. 4-6 years D. 5-7 years
The immunoglobulin responsible for causing type I allergic reactions is:
a. IgA b. IgE c. IgG d. IgM