MedSurg 1 Hematologic
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| RBC | Erythrocytes
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| WBC | Leukocytes
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| Platelets | Thrombocytes
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| Where does blood formation begin? | Bone Marrow
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| All blood cells begin as: | Stem cells
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| What make up most of the cellular portion of the blood? | RBCs
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| How long does a healthy RBC love for? | 120 days
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| What is the growth factor necessary for the production and regulation of RBC? | Erythropoietin
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| What does erythropoietin do? | It gives the signal to the stem cells to produce RBCs, to replace the ones that have aged and will be destroyed
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| In the fetus erythropoietin is produced by what? | The liver
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| Where is erythropoietin is produced? | The kidneys
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| What is Hypoxia? | Low oxygen content in the blood
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| What is the iron in the RBC required for? | The formation of hemoglobin
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| What gives blood its red color? | hemoglobin
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| Iron allows hemoglobin molecule to: | transport oxygen
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| what is critical to the oxygen-transporting function in the RBC? | Iron
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| What are critical in the fight against inflammation and infection? | WBCs
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| What are the 2 types of WBCs? | Granulocytes and agranulocytes
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| What are the granulocytes? | Neurophils, esinophils, and basophils
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| Approximately 2/3 of all WBCs are? | Neutrophils
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| What is a neutrophils life span? | About 10 hours
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| What increases in number in response to inflammation in the body and defense against bacterial infections? | Neutrophils
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| What responds primarily to allergic reactions? | Esinophils and basophils
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| What are the agranulocytes? | Monocytes and lymphocytes
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| Monocytes are transformed into: | Macrophages
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| What do macrophages do? | They kill bacteria and respond to the presence of foreign materials in the body
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| Where are lymphocytes formed? | In the lymphatic tissue
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| What are lymphocytes needed for? | A healthy immune system
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| What are the 2 types of lymphocytes? | B lymphocytes and T lymphocytes
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| What do B lymphocytes do? | They provide immunity by producing antibodies
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| What do T lymphocytes do? | They provide cellular immunity
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| What are elements in the blood that are necessary for proper blood coagulation? | Platelets
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| What is platelets lifespan? | Approx. 7.5 days
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| Where are platelets manuactured? | The red bone marrow
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| What controls the production of platelets? | Thrombopoietin
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| When an injury is sustained to a blood vessel, platelets move to that site: T/F | True
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| What is thrombopoietin? | A protein manufactured by the liver, the kidney, smooth muscle, and teh bone marrow.
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| The release of thrombopoietin is controlled by : | The number of platelets present in the blood
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| CBC Complete blood count: | Measures the red cell count, white cell count, platelet count, hemoglobin, hematocrit, and priovides a detailed description of the types of WBCs in the sample
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| What can a CBC indicate? | Anemia, leukopenia, and thrombocytopenia; also it can indicate if the levels of any of the types of WBCs are abnormal ( which may indicate leukemia)
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| Leukopenia | Low number of white blood cells
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| Thrombocytopenia | Low levels of platelets in the blood
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| What test may be ordered if iron-deficiencyanemia is suspected? | An iron level (Fe level) and total iron binding capacity (TIBC)
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| What kid of test is conducted to determine if a client has a vitamin B12 deficiency? | A Shilling test
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| A sickle cell test is used to identify wether a client has: | Sickle cell disease
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| When a client is suspected of having some type of bone marrow disorder, what type of test is done? | A bone marrow aspiration or biopsy
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