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19 Cards in this Set
- Front
- Back
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Chapter 34
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Diagnostic Testing
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Complete Blood Count
CBC |
Most frequently ordered basic tests.
Hemoglobin hematocrit RBC count Platelet count WBC differentials |
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Normal Hemoglobin function and Values
Male Female |
Consists of iron and protein and carries O2 throughout the body.
Male 13.8-18 g/dl Female 12-16 g/dl |
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Hemoatocrit
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Measures the percentage of red blood cells in the total blood volume
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Serum electrolytes
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Screening test for electrolytes and acid-base imbalances.
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Normal function and values for
Na+ K+ |
Fluid balance & Nerve impulses
135-145 mEq/L Nerve impulses 3.5-5.0 mEq/L |
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Serum Osmolalit
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A measure of the solute concentration of the blood. Particles measured include sodium, glucose, urea
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Therapeutic drug monitoring
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conducted when a client is taking a med with a narrow therapeutic range. Ex: digoxin, theophylline, aminoglycosides.
Peak and Trough levels detected to keep within therapeutic range |
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BUN and Creatinine
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Blood levels are routinely used to assess kidney function
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Arterial blood gases
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Drawn by specialty nurses
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Blood chemistry tests carried out on the serum
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Liver functin
Cardiac markers Lipoprotein profile Glucose Hemoglobin Hormones |
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Metabolic screening rational and tests
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Used to screen for congenital metabolic conditions
Phenylketonuria Congenital hypothyroidism Sickle cell anemia Galactosemia` Required to be performed in all US states |
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Nursing responsibilities for specimen collection
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Explain purpose for collection
Provide comfort, privacy, safety Follow correct procedure Note relevant info on lab slip Transport promptly Report abnormal findings to PCP timely |
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Stool specimine tests
Used to determine |
Occult blood-guaiac test
Dietary products, digestive secretions Parasites, Bacteria, Viruses |
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Urine specimens
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Clean voided for routine analysis
Clean-catch for urine culture Timed urine for renal function, glucose metabolism, urine constituents |
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Sputum specimens
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Mucous secretions from the lungs, bronchi, and trachea
To id microorganisms for C&S Cytology of cells-cancer and TB (acid fast bacillus) Assess effectiveness of therapy |
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Throat Cultures
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Collected from mucosa of oropharynx and tonsillar region
C&S of disease causing microorganisms |
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Aspiration
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Removal of a fluid that has abnormally collected
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Biopsy
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Removal and examination of tissue
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