Term
| The body's innate defenses against infection include |
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Definition
| barriers such as dead skin cells and mucus. |
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Term
| Which of the following wander through the interstitial fluid and consume any bacteria and virus-infected cells they encounter? |
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Definition
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Term
| What substance, produced by virus-infected cells, diffuses to neighboring cells to help them fight a viral infection? |
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Definition
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Term
| Which of the following helps activate our nonspecific (innate) defense system? |
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Definition
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Term
| When you cut yourself, the damaged cells immediately release chemical alarm signals, such as |
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Definition
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Term
| Which of the following is an immediate effect of histamine release? |
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Definition
| dilation of local blood vessels |
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Term
| The major result of the inflammatory response is to |
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Definition
| remove contaminating microorganisms and initiate repair of damaged tissues. |
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Term
| The human lymphatic system consists of all of the following structures except the |
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Definition
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Term
| The two main functions of the lymphatic system are |
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Definition
| returning tissue fluid to the circulatory system and fighting infections. |
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Term
| A molecule that can elicit an adaptive immune response is called |
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Definition
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Term
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Definition
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Term
| One kind of vaccine consists of |
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Definition
| a harmless variant strain of a disease-causing microbe. |
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Term
| a harmless variant strain of a disease-causing microbe. |
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Definition
| One kind of vaccine consists of |
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Term
| Passive immunity depends upon |
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Definition
| antibodies made by another organism. |
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Term
| Which of the following cell types is responsible for the humoral immune response? |
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Definition
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Term
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Definition
| develop and mature in bone marrow, participate in the humoral immune response and secrete antibodies into the blood and lymph |
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Term
| develop and mature in bone marrow, participate in the humoral immune response and secrete antibodies into the blood and lymph |
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Definition
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Term
| The humoral immune response defends primarily against bacteria and viruses present in body fluids. T/F |
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Definition
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Term
| Which of the following cell types is responsible for the cell-mediated immune response? |
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Definition
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Term
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Definition
| describes the proliferation of B and T lymphocytes after they have been activated by an antigen. |
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Term
| describes the proliferation of B and T lymphocytes after they have been activated by an antigen. |
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Definition
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Term
| When a B cell first interacts with its particular antigen, the B cell |
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Definition
| differentiates and develops into a clone of antibody-producing effector cells. |
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Term
| The secondary immune response occurs when memory cells bind to |
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Definition
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Term
| The polypeptide chains of an antibody molecule have both a V (variable) region and a C (constant) region. T/F |
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Definition
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Term
| Antibodies recognize and bind to particular antigens. T/F |
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Definition
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Term
| Antibody molecules are constructed from four polypeptide chains. T/F |
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Definition
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Term
| Antibody molecules may function by causing the |
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Definition
| agglutination of viruses or bacteria. |
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Term
| A substance that when introduced into the body stimulates the production of an antibody. Include toxins, bacteria, foreign blood cells, and the cells of transplanted organs. |
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Definition
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