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Ch 26 phleb 2
Question | Answer |
---|---|
Count of 100 white blood cells on a staind blood smear for the purpose of determining the approximate percentage of each type of white blood cell | Differential count |
Group of blood tests that includes a high, hematocrit, RBC and WBC count, differential count, platelet count or estimate, RBC indices | Complete blood count |
Measurement of how far RBC is four and a given amount of blood in one hour time frame | ESR |
AKA platelet | |
Normocyte | Normal sized cell |
Liquid portion of the blood after the blood has allowed to clot; contains no coagulation factors | Serum |
The smallest of all white blood cells contains no granules and saddle plasm elevated and viral infections | Lymphocyte |
Percentage of packed red blood cells in the total volume of blood | Hematocrit |
Largest of all of WBCs contains no granules in the cytoplasm has a large irregularly shaped nuclear us may contain holes in the cytoplasm because it is active and phagocytosis | Monocyte |
Larger than normal RBC | Macrocyte |
Iron pigment on the red blood cells that contain carries oxygen | Hemoglobin |
Smaller than normal RBC | Microcyte |
A.k.a. white blood cell its main function is to fight infection | Leukocyte |
Normal White blood cell count for adults | 4500-11,000 |
Normal White blood cell count for neonates | 9000 - 25,000 |
Normal hemoglobin levels in males | 13-18 g/ dL |
Normal hemoglobin levels for females | 12-16 g/dL |
Normal hemoglobin levels for neonates | 15-20 g/ dL |
Normal humatocrit level in males | 45-52% |
Normal Hematocrit levels in females | 36-45% |
Normal Hematocrit in neonates | 44-64% |
Reason for increase in hematocrit when dehydrated | RBC per vol increases as vol of fluid decrease |
Importance of the information obtained from red cell indices | diagnosis, evaluating and treating different types of anemias and bleeding disorders |
The following laboratory results have been received on a 79-year-old female. Which of the following results is abnormal | WBC 11,500, RBC 3.5 million, Hgb 10 g/dL |
What allows RBCS to be flexible for movement through sm blood vessels | Their bio concave shape |
RBC lifespan is | 120 days |
If anisocytosis is on a differential count this means that there are variations in the | Size of the RBC |
The readings of both tubes for a hematocrit determination must be | With in 2% |
Medical assistants are permitted to perform what hematology tests | Non automated ESR, and coagulation tests |
If the neutrophil count on the differential is reported as 75% why? | Bacterial infection |
Must be timed 1 hr, tube must remain in a vertical position for 1 hr, tube rack should be placed where there no vibrations. | ESR test |
The study of blood forming tissues and focuses on formed elements in the blood | Hematology |
Formation and development of blood cells | Hematopoesis( hemopoiesis) |
Avg adult has ____ Liters of blood | 5 |
90% H2O with 10% consisting of non cellular chemical components | Serum |
Noncellular components in serum | Electrolytes, hormones, carbs, amino acids, antibodies, lipids. |
Liquid portion of blood | Plasma |
Study of form and structure or RBCs | RBC morphology |
Anisocytosis | Variations in size of RBCs |
Poikilocyte | Variations in shapes of RBCs |
Valuable in diagnosing, evaluating, treating different types of anemias | RBC indices |
Mean corpuscular volume (MCV) volume size of of avg RBC | 80-100fl |
Mean corpuscular hemoglobin (MCH) avg wt of hemoglobin in single RBC | 27-33pg |
Mean corpuscular hemoglobin concentration (MCHC) concentration of Hgb in RBCs | 32-37 g/ dL |
Thrombocyte |