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65 Cards in this Set
- Front
- Back
Plasma makes up appr 55% of blood by volume
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True
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The most important red cell index for classification of anemia as macrocytic or microcytic is the mean corpuscular volume.
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True
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Blood type o is considered the universal donor because no anti A or anti B antibodies are found in the plasma
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False
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Hemoglobin A1c determination is more useful than blood glucose measurement in the management of diabetes, because it provides information on the average blood sugar level over a 2 to 3 month period
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True
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Fasting is necessary before cholesterol testing because HDL LDL cholesterol are greatly affected by food consumption
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False
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The lifespan of an erythrocyte is approximately 90 days
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False
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If a capillary tube is not plugged it must filled with a special clay before centrifugation
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T
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The INR therapeutic range for a patient receiving warfrin is 1 to 2
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false
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Cytoxoc T cells produce protiens that cause celluar death
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True
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B cells produce specific antibodies against a particular antigen
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True
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Lavender topped tubes are used for rountine CBC counts
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True
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RBC values range from 4000 to 6000 cells/mm3
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False
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Increases in the WBC count that are not related to disease are seen in pregnant women and idviduals facing extreme stress
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True
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Eosinophils are pahgocytic and are closely associated with allergic reactions
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True
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If the shape of RBCs shows significant variation from normal the alteration in shaped is called thrombocytopenia
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False
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An RBC with a normal amount of hemoglobin is said to be normachromic
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False
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If the vacutainer is not compleletly filled with blood a false ESR reading may result
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True
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On a blood glucose tolerance test, a level over 200 g/dL indicates diabetes mellitus
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true
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An HDL cholestrol level over 20 mg/dL indicates a low risk for cardiac disease
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false
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AST and ALT testing is done to monitor potential liver damage in patients receiving statin drugs
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True
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Erythocytes have a typical _________ shape bc of ________
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D. concave their lack of a nucleus
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Granular Leukocytes
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C. act as phagocytes
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Which of the following is normal adult WBC count?
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C. 10,000 cells/mm3
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Platelets
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D. All of the above
assist in the delivery of oxygen to tissues are elevated in thrombocytopenia are fragments of a larger cell called a poikilocyte |
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In performance of a microhematocrit
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C. The open end of the capillary tube should be sealed with clay before centrifuging
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The buffy coat
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C. White
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The copper sulfate method of determining the hemoglobin level is
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D. all the above
a qualitive test based on the specific gravity of hemoglobin commonly used to screen blood donors |
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While Mr.Chakrabarti's hematocrit sample is spinning in the centrifuge, you perform an automated hemoglobin test on a sample of his blood and record the value as 15g/dL. You do a quick mental calculation and expect that the hematocrit value will be approximately
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D. 45%
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Which of the following is a normal H&H for a female?
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B. 36% and 14g/dL
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Increases in the RBC count are found in which of the following
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C. Dehydration
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Which component of the complete blood count is not necessary to calculate the red cell idices?
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A. Differential
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A properly prepared wedge smear:
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A. has blood covering one half to three quarters of the slide
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`A hematocrit reading of 37 indicates what?
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B. RBCs account for 37% of the total blood volume
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Which statement is true about leukocytes?
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E. All of the above
Leukocytes are the largest circulating blood cells Granulocytes have segemented nuclei Neutrophils are the most numerous WBCs in circulation Bacterial infections stimulate increased production of neutrophils |
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Which of the following is an abnormal value for a differential?
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D. 50% to 70% basophils
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The ESR test results
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B. Vary greatly between genders and as people age
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The protime is
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D. All of the above
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A blood test that analyzes the ability of the kidneys to perform their function is the
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B. BUN
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A person with type O blood has
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B Anti A and Anti-B antibodies in circulation
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When is administration of Rho (D) immune globulin absolutely necessary?
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A. If and RH negative mother gives birth to an RH positive stillborn
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Which of the following is not detected in a liver panel test?
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D. CBC
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TSH levels are assessed to determine the function of what organ(s)?
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B. Pituitary
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Troponin is a component of a(n) ___________ panel.
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c. Cardiac
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Which statement is true about HDL?
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A. It transports cholesterol
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Hemoglobin A1c is measured to monitor
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C. Diabetes
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_________ cells, the most numerous types of agranular leukocytes stimulate the activity of other T lymphocytes
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Helper T cell
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The smallest of the formed elements in the peripheral is a cell fragment that assists with clotting, it is known as ____________.
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Platelet
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A counting chamber known as a ________ is used to enumerate blood cells in a diluted specimen.
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hemocytometer
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The granualar leukocytes which are called ____________ leuckocytes include neutrophils eosinphils and basophils.
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polymorphonuclear
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Increases in the _________ may indicate conditions such as acute and chronic infections rheumatoid arthitis tuberculosis, hepatitis, cancerm multiple myeloma, rheumatic fever, and lupus erythematosus.
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Erythrosedimentation Rate (ESR)
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______ cholestrol is known as "good" cholestrol because a high level seems to protect the body against heart attack.
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HDL
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A low microhematocrit is seen in patients with
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Anemia
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Patients with _______ have an unsually large number of all blood cells
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polycythemia vera
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Blowing on a blood slide smear to help it dry quickly can cause _____ to form.
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artifacts
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A _______ is an immature neutrophil.
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band
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An RBC that is larger than normal is described as ________.
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macrocytic
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Babies born to mothers with Rh-negative of an increased risk of developing ___________.
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HDN
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A high level of ______ is indicative of an increased risk of heart disease.
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LDL
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A test that determines long-range blood glucose control is the ______ test.
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hemoglobin
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Fibrin creates a network of threadlike structures called ________ that begin clot formation.
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fibrils
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List 5 studies included in a CBC.
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RBC count, WBC count, red cell indices, estimation of platelet numbers, hemoglobin determination
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Significance of the HbA1c test in the control of diabetes mellitus
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Hemoglobin A1c give feedback on previous 2-3 mths this test pt's are tested every 2-3 mths.
Normal range range 4-6% Hemoglobin A1c The higher the blood glucose the higher A1c will be |
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Liver
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ALT
AST ALP GGT LDH |
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Cardiac
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Triponin
Triponin T CPK check muscle damage |
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Mrs Grace Hernandez is suspected of having rheumatoid arthritis. Explain the ESR procedure to Mrs. Hernandez
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Its not going to specifically tell you if you have a specfic disease but gives the Dr. general information of imfammation. Elevated ESR indicates the pt may have RA.
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