Exam 14: The Lymphatic System and Immunity

Paula's grandfather has been diagnosed with lung cancer.His physician orders biopsies of several lymph nodes from neighboring regions of the lungs.Paula wonders why the biopsies are necessary.Explain why.

Lymphoid nodules,such as the appendix,are composed of loose connective tissue containing densely packed

Lymph nodes

Figure 14-1 Typical Antibody Molecule and Typical Antigen Use Figure 14-1 to identify the labeled part. -What does label K represent?

________ are clusters of lymphoid nodules located beneath the epithelial lining of the intestines.

Choose the correct statement about interferons.

Figure 14-1 Typical Antibody Molecule and Typical Antigen Use Figure 14-1 to identify the labeled part. -What does label A represent?

Figure 14-1 Typical Antibody Molecule and Typical Antigen Use Figure 14-1 to identify the labeled part. -What does label I represent?

One method by which cytotoxic T cells destroy their target cells is by releasing substances that

The ________ form the base of a typical antibody molecule.

Lymph returns to the venous circulation by way of emptying into the

Lymphatic vessels,which exit the lymph node and carry the lymph toward the venous system,are called

Which is true regarding pyrogens?

Lymph differs from plasma in that

The two collecting ducts that ultimately drain the lymphatic vessels are the

Choose the most accurate characteristic of B cells.

________ function in pinocytosis,phagocytosis,antigen processing,and antigen presentation bound to Class II MHC proteins.

Figure 14-1 Typical Antibody Molecule and Typical Antigen Use Figure 14-1 to identify the labeled part. -What does label H represent?

________ are macrophages found in and around blood channels in the liver.

Which of the following is an example of autoimmune disease?