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Anatomy & Physiology
Test
| Question | Answer |
|---|---|
| Anemia | a condition marked by a deficiency of red blood cells or of hemoglobin in the blood, resulting in pallor and weariness. |
| Sickle Cell Anemia | a severe hereditary form of anemia in which a mutated form of hemoglobin distorts the red blood cells into a crescent shape at low oxygen levels. It is most common among those of African descent. |
| Polycythemia | an abnormally increased concentration of hemoglobin in the blood, through either reduction of plasma volume or increase in red cell numbers. It may be a cause, of circulatory disorder or cancer. |
| Diapedesis | the passage of blood cells through the intact walls of the capillaries, typically accompanying inflammation. |
| Hematopoiesis | the process by which blood cells are produced. |
| Leukemia | a malignant progressive disease in which the bone marrow and other blood-forming organs produce increased numbers of immature or abnormal leukocytes. |
| Leukocytosis | an increase in the number of white cells in the blood, especially during an infection. |
| Leukopenia | a reduction in the number of white cells in the blood, typical of various diseases. |
| Erythropoietin | a hormone secreted by the kidneys that increases the rate of production of red blood cells in response to falling levels of oxygen in the tissues. |
| Hemostasis | the stopping of a flow of blood. |
| Thrombus | a blood clot formed in situ within the vascular system of the body and impeding blood flow. |
| Thrombocytopenia | deficiency of platelets in the blood. This causes bleeding into the tissues, bruising, and slow blood clotting after injury. |
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