Exam 4: Cells and Cellular Activities of the Immune System: Lymphocytes and Plasma Cells

Match the lymphoid organs with the approximate percentage of T lymphocytes. -Bone marrow See Table 4-1,Approximate Percentage of Lymphocytes in Lymphoid Organs.

Match the lymphocyte types with the appropriate description. -B lymphocytes

Match the lymphoid organs with the approximate percentage of T lymphocytes. -Lymph nodes See Table 4-1,Approximate Percentage of Lymphocytes in Lymphoid Organs.

The T cell receptor (TCR)recognizes an antigen:

Match the lymphocyte types with the appropriate characteristic. -Natural Treg cells

Match the T cell populations with the appropriate description. -Helper T type 1 (Th1)

What is the source of undifferentiated T lymphocytes?

If an immune dysfunction is suspected in a child,the appropriate workup would be a(n):

Match the disorders with the appropriate description.(Use each answer only once. ) -Duncan's disease

In antigen recognition by T lymphocytes,each cell:

Match the lymphoid organs with the approximate percentage of T lymphocytes. -Blood See Table 4-1,Approximate Percentage of Lymphocytes in Lymphoid Organs.

Which characteristic is not associated with B lymphocytes?

Match the disorders with the appropriate description.(Use each answer only once. ) -Wiskott-Aldrich syndrome

Match the lymphocyte types with the appropriate description. -K-type lymphocytes

A cell-mediated immunodeficiency is suggested if the child has:

Match the T cell populations with the appropriate description. -Helper T type 2 (Th2)

Surface markers on lymphocytes can be used to:

Match the disorders with the appropriate description.(Use each answer only once. ) -DiGeorge syndrome

When mature T lymphocytes leave the thymus,their T cell receptors are either CD4+ or:

Match the lymphocyte types with the appropriate characteristic. -Suppressor T lymphocytes or T suppressor (Ts)cells