A control sample for chloride has a calculated mean of 100 mmol/L and a standard deviation of 5 mmol/L. What is the coefficient of variation?

Please refer to the information below for questions #82 through #88. A patient is brought to emergency in a semi-conscious state. The results of the laboratory tests are listed below: Sodium = 140 mmol/L Potassium = 7.0 mmol/L Chloride = 98 mmol/L CO2 = 19 mmol/L Glucose = 7.8 mmol/L Urea = 4.2 mmol/L   Osmolality = 320 mmol/kg     What is the anion gap for this set of electrolytes?

Which protein would most likely be increased in the early stages of an acute infection?

Which acid-base disturbance would be found in a Type I diabetes mellitus coma?

Why does albumin migrate much further than gamma globulin in serum protein electrophoresis when utilizing a buffer of pH 8.6?

A patient may have taken a massive dose of acetaminophen. What is the potential toxic effect?

Protein: 1+ RBC: 1-3/HPF WBC: 25 – 30/HPF Moderate bacteria 0-1 WBC casts/LPF 1-3 Granular casts/LPF A patient seeks medical advice because of persistent lower back pain. Which clinical condition best correlates with these urinalysis results?

What is the most likely cause of the errors seen in the above question #74?

Prealbumin will most likely be detected in the electrophoresis of what type of specimen?

Please refer to the information below for questions #89 through #92. The following information is from a female adult patient: Serum creatinine = 220 umol/L 24 hour urine volume = 1400 mL Urine creatinine = 8.6 mmol/L Patient body surface area = 1.73 m2 What is the creatinine clearance on this patient?