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A 25-year old woman complains of painful urination and is suspected of having a urinary tract infection. Which of the following specimens should be collected for a routine urinalysis and urine culture?

Situation: Results of a chemistry profile are:Glucose = 100 mg/dLBUN = 10 mg/dLTotal Bilirubin = 0.9 mg/dLAlbumin = 4.9 g/dLTotal Protein = 5.1 g/dLWhat should be done next?

Impaired DNA metabolism is characteristic of

Severe Combined Immunodeficiency exhibits:

An EDTA sample is found to be hemolyzed. Which of the following tests would be affected the least?

Four serum specimens were analyzed for electrolytes. Which set of results is most likely in error? (results are in mmol/L)Sodium; Potassium; Chloride; Bicarbonate

Determine the anion gap given the serum electrolyte data: Na = 132 mmol/LCl = 100 mmol/LHCO3-= 22 mmol/LpCO2 = 33 mm/Hg

When mixed with alkaline picrate and measured as part of a kinetic reaction,  the chromogenic intensity produced is directly proportional to the amount of this analyte present.

A test kit requires that you dilute 1 mL of patient serum with 4 mL of buffer. Two mL of that dilution are then added to 4 mL of test reagent. What is the final dilution of patient serum?

How many grams of sulfosalicylic acid (MW=254) are required to prepare 1L of a 2% (w/v) solution?