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| Cloudiness im a freshly voided urine could indicate the presence of | White blood cells
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| In acute febrile disease urine may acquire a reddish color due to | Uroerythrin
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| A smoky red brown urine should be suspected of containing | Hemoglobin
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| A urine that turns brown black may contain | Homogenistic acid
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| When a urinw specimen is allowed to stand at room temperature , which does not occur? ( disappearance of formed elements, elevation in ph, false positive glucose, false positive protein) | False positive glucose
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| The first morning specimen of urine is often tested because tbis specimen | Contains most formed elements
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| Highest specific gravity to which the kidney is able to concentrate urine | 1.040
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| All of the following systems may be used to determine the specific gravity of urine except (spectrophotometer, refractometer, T-S meter, reagent test strip) | Refractometer
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| At a temperarure of 26c a urine specific gravity reads 1.014. If a temperature correction is employed what would the corrected specific gravity be? | 1.016
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| A refractometer would be used in urinalysis department to measure | Specific gravity
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| If the plasma osmolality is normal (185 mOsm/kg water, the urine osmolality should be atleast | Three times that of plasma
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| Which of these plasma substances is not normally filtered through the glomerulus in significant amount (creatinine, glucose, protein, urea) | Protein
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| Precipitation tests for urine protein do not include which of the following (acid and heat, dipstick, sulfosalicylic acid, trichloracetic acid) | Dipstick
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| The normal excretion of small amounts of protein in urine is considered to be less than what daily amount | 150 mg
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| All of the following apply to dipstick test for urine protein, based on the protein error of indicators except | The color change in the stick is due to ph change
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| Which does not apply to urine protein estimation by the dipstick method | Bence jones rotein interferes with measurement of albumin
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| Which of the following is true of detection of urinary glucose | Any reducing substance can give a false positive reaction with the copper reduction method for glucose
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| The enzyme dipstick test for glucose in urine has a sensitivity of | 100 mg/dl
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| What may give a false positive reaction on glucose dipstick | Oxidizing agent
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| For fructose detection, what reagent is employed | Resorcinol and hydrochloric acid
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| What is the most definitive test for phenylketonuria (PKU) | Direct measurement of blood level of phenylalanine
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| The urine dipstick tests for occult blood depend on the fact that | Hemoglobin can act as peroxidase
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| In the test of heme pigment in urine | Prior removal of bilirubin is necessary
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| The addition of fouchet's reagent to the barium chloride precipitate of urine results in a green color in the presence of | Bilirubin
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| The addis count is the semiquantotave estimate of the 12 hr excretion of which urinary constituent | Casts, red blood cells, and white blood cells
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| The most common use of polarized microscopy is to visualize | Lipids (fats)
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