Mark the following statements as true or false. If a statement is false, correct it to make a true statement.


b. The immune response to a viral infection involves NK cells and different kinds of lymphocytes.

Mr. James, an 80-year-old man, is grumbling about having to receive a flu shot every year. Flu viruses have a high mutation rate (undergo rapid genetic changes), which results in the appearance of new proteins on the flu virus's 'coat.' How does this help explain the need to get a flu shot each year?

__________ is the property of lymphocytes that prevents them from attacking the body's own cells.

Blocking the antigen receptors on the surface of lymphocytes would interfere with (a) phagocytosis of the antigen, (b) that lymphocyte's ability to produce antibodies, (c) antigen recognition, (d) the ability of the lymphocyte to present antigen, (e) opsonization of the antigen.

Differentiate between humoral and cellular adaptive immunity.

CD4 markers are associated with (a) cytotoxic T cells, (b) regulatory T cells, (c) helper T cells, (d) all of these.

Self-reactive B cells are eliminated in the __________.

Which type of disease results from the inability of the immune system to distinguish self- from nonself-antigens?