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| Question | Answer |
| Lymph is a fluid found in lymphatic vessels that is similar in composition to ______ and ______. | Lymph is a fluid found in lymphatic vessels that is similar in composition to tissue fluid and plasma. |
| What are two characteristics of antigens? | 1. Antigens are molecules that can trigger an immune response. 2. They might be proteins, carbohydrates, or glycolipids. |
| What is an example of artificially acquired active immunity? | An injection of an attenuated flu virus |
| What is an example of an artificially acquired passive immunity? | An injection of lab-produced antibodies |
| T lymphocytes mature in the thymus, while B lymphocytes mature in the ______ ______ ______. | T lymphocytes mature in the thymus, while B lymphocytes mature in the red bone marrow. |
| Blockage of a lymphatic vessel will likely cause ______. | Blockage of a lymphatic vessel with likely cause edema. |
| Within the tissues, which substances are filtered out of the plasma due to blood pressure within tissues? | Water and small molecules are filtered out of the plasma due to blood pressure within tissues. |
| Any large molecule capable of producing an immune response is a(n) ______. | Any large molecule capable of producing an immune response is a(n) antigen. |
| A form of endocytosis in which a cell surrounds a foreign particle with pseudopods and engulfs is called ______. | A form of endocytosis in which a cell surrounds a foreign particle with pseudopods and engulfs is called phagocytosis. |
| How do antibodies neutralize antigens? | They bind to the toxic parts of the antigens so the antigens don't do any damage. |
| The disease AIDS is an acronym that stands for ______ ______ ______ syndrome. | The disease AIDS is an acronym that stands for acquired immunodeficiency deficiency syndrome. |
| On any antibody molecule, where is the antigen-binding site? | On any antibody molecule, the antigen-binding site is at the constant region. |
| A ______ migrates into the tissues where it transforms into a macrophage. | A monocyte migrates into the tissues where it transforms into a macrophage. |
| What is the function of the macropahges found in the spleen? | The macrophages cleanse the blood in the spleen. |
| What is the function of the variable region on an antibody molecule? | The variable region on an antibody molecule is responsible for binding antigens. |
| Indicate three characteristics of immunoglobulins called IgG. | 1. Activates complement proteins. 2. Effective against bacteria, viruses, and toxins. 3. Can cross the placenta |
| List three characteristics of cytokines. | 1. Secreted by T cells and macrophages. 2.s Stimulate proliferation and differentiation of leukocytes. 3. Regulate intensity and duration of immune responses. |
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