Test on Hematology 1 Chapter18 for DelTech Owens
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| What does the word anemia literally mean? | No blood.
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| What are normal hemoglobin values for adult males? | 14-18 g/dl
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| What are normal hemoglobin values for adult females? | 12-16 g/dl
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| What is the hemoglobin range for moderate anemia? | 7-10 g/dl
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| What is the hemoglobin range for severe anemia? | <7 g/dl
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| What are normal hematocrit values for an adult male? | 42-52%
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| What are normal hemotocrit values for an adult female? | 37-47%
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| Normal ranges for things like hemoglobin and hematocrit depend on what four things? | age, gender, race, environment
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| The definition of anemia is a reduction of more than __ percent from the normal value for the total number of red blood cells. | ten
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| What are the two most common causes of anemia? | hemorrhage and nutrition
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| What sort of deficiencies in nutrition can cause anemia? | iron, folate, B12
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| What sort of toxicity can cause anemia? | lead poisoning
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| Accelerated destruction of __ can cause anemia. | RBCs
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| T.B., malaria, and tripanisomes are all examples of __ that can cause anemia. | infections
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| What kinds of medical procedures can cause anemia? | radiation, antibiotics, and bone marrow replacement
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| True or false: hereditary conditions cannot cause anemia. | false
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| You must consider patient __ when deciding the cause of anemia or any other condition. | history
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| Name 5 things one should consider before making a diagnosis. | 1) patient history 2) physical exam 3) signs 4) symptoms 5) lab values
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| Skin color, eye color, mouth and gum color, sternal tenderness, lymphadenopathy, cardiac murmurs, splenomegaly, and hepatomegaly are thing to check during a __ exam. | physical
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| Iron and vitamin C can treat __ anemias. | moderate
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| Vertigo, headache, muscle weakness, lethargy, pallor of conjunctiva (color of eye-whites), and dyspnea (shortness of breath) are all signs of __ __. | moderate anemia
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| Tachycardia, hypotension (low blood pressure), severe weakness, loss of breath, and volume loss are all signs of __ __. | severe anemia
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| Other tests for anemia include: | urinalysis, parasite exam, occult blood (meaning stool, rectal exam)
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| If a patients HGB is between 7 - 10, they have __ __. | moderate anemia
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| The rule of 3 says that HGB should be __ times the level of RBCs. | three
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| The rule of 3 says that HCT should be __ times the level of HGB. | three
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| The MCV is a measure of the __ __ of an eythrocyte. | average volume
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| What is the normal range for an MCV? | 80 - 96 fl
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| MCV is determined by multiplying __ by 10 and dividing the result by the __. | HCT, RBC
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| MCH expresses the __ __ of hemoglobin in an average erythrocyte. | average weight
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| MCH is directly proportional to the amount of __ and the __ of the erythrocyte. | HGB, size
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| MCH is determined by multiplying the __ by 10 and dividing the result by the __. | HGB, RBC
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| MCHC is the average __ of hemoglobin per unit volume of erythrocytes. | concentration
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| MCHC is the ratio of the __ or hemoglobin to the __ of the erythrocyte. | hemoglobin, volume
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| The normal range for MCH is? | 27 - 32 pg
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| The normal range for MCHC is? | 32 to 36 g/dl
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| MCHC is determined by multiplying HGB by __ and dividing the result by the __. | 100, HCT
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| Red cell distribution width (RDW) is an index of the variation in cell __ within the red cell population. | volume
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| Normal RDWs are __. | homogenous
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| Red cell populations with higher than normal RDW are termed __. | heterogenous
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| RDW can be the first test result to __ with changes in RBC population sizes. | increase
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| RDW is determined by dividing __ by the standard deviation of red cell volume. | MCV
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| On an RDW/RBC histogram, the hump will shift to the left if the blood cells are __. | microcytic
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| On an RDW/RBC histogram, the hump will shift to the right if the blood cells are __. | macrocytic
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| On an RDW/RBC histogram, if there is only one hump, the sample is __. | homogenous
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| On an RDW/RBC histogram, if there are 2 humps, the sample is __. | heterogenous
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| Increased numbers of reticulocytes will cause an increased __. | RDW
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| A retic count assesses the production of RBCs in the __ __. | bone marrow
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| Retics are RBCs that have just left the marrow but still possess residual __. | RNA
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| Retics remains in the blood __ days. | 1 to 1.5 days
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| A normal retic count is between __ and __ percent for adults. | .5 and 1.5%
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| A normal retic count for newborns is between __ and __ percent. | 1.8 and 5.8%
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| Retic counts are made by mixing __ amounts of blood and new methyline blue (or another supravital stain). | equal
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| When seen under a Wright's stain, retics appear __. | polychromatic
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| Supravital stains allow cells in the sample to remain __. | alive
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| To determine a patient's corrected retic count, you divide the patient's __ by whatever HCT is __ for their gender and age. | HCT, normal
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| RPI stands for __ __ __. | retic production index
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| Premature retics remain in the blood and take from __ to __ more days to mature. | 1, 1.5 more days
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| Prematurely released retics will cause the __ __ count to be elevated. | corrected retic
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| To find the RPI, you must divide the __ __ by the __ __ in days. | corrected retic by the maturation time in days
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| Obtaining a patient's retic count is better and easier than performing a __ __ test. | bone marrow
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