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chapter 2
| Question | Answer |
|---|---|
| Nonspecific immunity is present at birth and provides immediate, short-term protection against any antigen. | true |
| Natural killer cells are a type of _____. | leukocyte |
| Leukocytes that can engulf and destroy pathogens are known as _____. | phagocytes |
| If a patient develops _____ lupus, the signs and symptoms will disappear within days to months. | neonatal |
| The human immunodeficiency virus infects and kills | cytotoxic T cells |
| Scleroderma can be cured with the use of anti-inflammatory drugs, immunosuppressive drugs, and vasodilators. | false |
| _____ provide defense against extracellular antigens like bacterial toxins and bacterial cells. | Antibodies |
| Interferons increase the activity of _____. | macrophages and natural killer cells |
| Nonspecific immunity must be primed by an initial exposure to an antigen before it can protect the body against disease. | false |
| Non-Hodgkin's lymphoma is a cancer of the body's ____. | immune system |
| ___ are responsible for cell-mediated immunity. | T cells |
| Scleroderma is a chronic autoimmune disease of the _____. | connective tissue |
| The inflammatory response can be triggered by infection, trauma, intense heat, and chemicals. | true |
| The hallmark symptoms of _____ are dry eyes and mouth. | scleroderma |
| AIDS indicator diseases are infections that do not normally occur in a person protected by a healthy immune system. | false |
| Secretions such as tears, saliva, sweat, and sebum contain chemicals that destroy foreign invaders. | true |
| A normally harmless antigen that causes an allergic reaction is called an allergen. | true |
| A common sign of _____ includes a butterfly rash across the cheeks and nose. | SLE |
| Hodgkin's disease is marked by the presence of a type of cell called the Reed-Sternberg cell. | false |
| The etiology of lupus is idiopathic. | true |
| Because of reduced antibody production, vaccines are less likely to produce immunity in older people. | true |
| Natural killer cells recognize and eliminate virus-infected cells and bacteria-infected cells. | true |
| AIDS is characterized by a reduction in the number of _____. | t-cells |
| The most common type of allergy is _____. | Type I |
| Of the two major forms of scleroderma, the more common is systemic sclerosis scleroderma. | true |
| Adaptive immunity includes two seperate but overlapping arms called _____. | B cells and T cells |
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