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11 Cards in this Set
- Front
- Back
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What are the 3 phases of diagnostic testing?
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1.) Pretest
- prepare the client for test - take baseline vitals - women: discuss preg risk - instruct pt on any restrictions or instructions 2.) Intratest - provide support to client - assist or perform test - collect, label, store, transport specimens to the lab 3.) Monitor Patient - assess for response to test - report results to HC team |
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What values are included in the results of a CBC?
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- RBC
- Hgb - Hct - RBC indices - WBCs - WBC Differential (by type) - Platelet Count |
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An increased Hgb and Hct are often a sign of ________________. Where as a lower than normal value is consistent with _____________________.
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Dehydration
- blood becomes more concentrated, increasing the % of RBCs in plasma. Hypovolemia - b/c hemodilution occurs in the presence of high blood volume |
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A hemoglobin level of __________ g/dL is classified as anemia.
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10.5
Rationale: the normal range of hemoglobin levels is between 12-18. It's lower in women than in men. |
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What is a normal RBC count range?
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Men: 4.6 - 6.0 million/mm3
Women: 4.0 - 5.0 million |
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Patients with chronic hypoxia may develop higher than normal RBC counts, a condition called __________________ as an adaptive mechanism.
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Polycythemia
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Higher than normal WBC counts are seen in patients with ____________; whereas, a lower than normal WBC may indicate __________________.
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Bacterial infection = high WBC
Viral infection = low WBC count |
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The normal range for WBC is ____________.
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4,000 - 11,000
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What are the 4 most common serum electrolyte values ordered for the assessment of electrolyte and acid/base imbalances?
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1.) Potassium
2.) Sodium 3.) Chloride 4.) Bicarbonate Ions |
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A measure of kidney function that is the end product of protein metabolism is called ____________.
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BUN - Blood Urea Nitrogen
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An arterial blood has specimen is taken from a radial, femoral, or brachial artery and requires pressure to be applied for _____________ after the needle is removed.
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5 to 10 minutes
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