Laboratory Procedure Word Scramble
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Question | Answer | Why? |
The specimen used to perform a culture test for the presence of tuberculosis is: | Sputum | Tuberculosis typically infects the lungs.Sputum is the material coughed up from the lungs. A culture of the material will grow the acid-fast-bacillus Mycobacterium tuberculosis. |
A blood test used to indicate the level of kidney function is: | Blood urea nitrogen (BUN) | BUN is a measurement of the amount of nitrogenous substance in the blood as urea. Urea is a major end product of protein and amino acid metabolism. Kidney are responsible for excreting them. If the levels are elevated, it may indicate a kidney failure. |
The normal range of urine pH is: | 5.0-8.0 | On the pH scale, 7.0 represents a neutral reading. Readings lower than 7.0 are acidic and higher than 7.0 are basic. The normal range of urine is from slightly acid to slightly basic. |
Which of the following is a normal adult WBC count? | 7000 cells/mm3 | The normal range for a white blood cell count is 4.5-11.0 x 10cubic cell/cubic millimeter. This means there are 4500 to 11000 white blood cells in a cubic millimeter. |
A hematocrit reading of 40 means that: | 40% of the total blood volume consists of RBCs. | An hematocrit is the percentage of red blood cells contained in whole blood. A reading of 40 means that of 100% total blood volume, 40% is red blood cells and 60% is plasma, WBCs, and platelets. |
When whole blood is allowed to clot, the clear portion visible after centrifugation is the: | Serum | Serum is the clear liquid portion of the blood that contains no blood cells, platelets, or fibrinogen. |
When multiple tubes of blood are to be drawn, which one is drawn first? | Blood culture or any test requiring a sterile specimen. | Special care needs to be done not to contaminate the specimen. |
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