21. Principles of Disease

Which types of white blood cells are most likely to be involved in type I hypersensitivities? Select all that apply.

a. T helper cells

b. T cytotoxic cells

c. Basophils

d. Macrophages

e. Mast cells

Use the following choices to match the type of hypersensitivity to the example in question given below.

a. Type I hypersensitivity

b. Type II hypersensitivity

c. Type III hypersensitivity

d. Type IV hypersensitivity

e. All of the above

Localized anaphylaxis.