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Patrice Buckley
Physiology weeks 7-13
| Question | Answer |
|---|---|
| How is respiration regulated? | Regulated in the brainstem (medulla oblongata and pons) and the chemoreceptors. |
| How is carbon dioxide transported in the blood? | bound to hemoglobin as bicarbonate ions |
| How is oxygen transported in the blood? | bound to hemoglobin |
| How do antibodies work to neutralize pathogens? | Neutralization, agglutination, precipitation, complement activation, and opsonization |
| What are the major functions of the respiratory system? | gas exchange, regulation of blood pH, voice production, and olfaction. |
| What are the roles of B cells and T cells in the adaptive immune system? | B cells produce antibodies, while T cells directly attack infected cells or help activate other immune cells. |
| What are the two branches of the adaptive immune system? | Humoral (antibody-mediated) and cellular (cell-mediated) |
| What are the functions of the spleen? | Filters blood, removes old or damaged blood cells, and stores platelets |
| What are the components of the lymphatic system? | Lymph, lymphatic vessels, lymphatic tissues, and lymphatic organs (lymph nodes, spleen, thymus) |
| What factors affect blood pressure? | Cardiac output, peripheral resistence and blood volume |
| Describe the structure and function of leukocytes. | Leukocytes are nucleated cells that defend the body against infection. They include neutrophils, lymphocytes, monocytes, eosinophils, and basophils. |
| What is hematopoiesis? | It is the formation of blood cells that occurs in the red bone marrow. |
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pBuckley
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