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WorksheetsQuality Control and Biochemical Analysis
Total questions: 20
Worksheet time: 10mins
What is the primary purpose of QC (Quality Control) charts?
To track patient progress
To monitor laboratory errors
To monitor analytical performance over time
To compare hospitals
Levey-Jennings chart is used to represent?
Patient data
Control data
Staff performance
Reagent shelf life
In electrophoresis, proteins are separated based on?
Size
Color
Shape
Charge
In serum protein electrophoresis, the fastest migrating protein is?
Albumin
Gamma globulin
Beta globulin
Alpha-1 globulin
Which test helps in diagnosing acid-base disturbances?
ABG Analyzer
Colorimeter
Centrifuge
Electrophoresis
ABG analysis provides information about?
Urea & Creatinine
O2, CO2, pH
Glucose & Insulin
Calcium & Phosphate
Autoanalyzer is primarily used for?
Manual testing
Qualitative tests
Rapid and automated quantitative analysis
Only electrolyte measurement
Which of the following is used in automated biochemical analyzers?
Colorimeter only
Electrophoresis only
Photometry and spectrophotometry
Chromatography only
Benedict’s reagent is used to detect?
Proteins
Reducing sugars
Cholesterol
Calcium
In Benedict’s test, the presence of reducing sugars changes the solution color from blue to?
Green
Red
Orange
All of the above
Fouchet’s reagent is used to detect?
Ketone bodies
Bile pigments
Blood
Proteins
Which of the following is a principle of photometry?
pH measurement
Absorbance proportional to concentration
Electromagnetic mobility
Gas exchange
Which law is applied in colorimetry?
Newton’s law
Boyle’s law
Beer-Lambert’s law
Hooke’s law
The unit of absorbance in photometry is?
Milligram
Lux
Nanometer
No unit
Which type of chart is best for identifying trends in quality control data?
Bar chart
Pie chart
Levey-Jennings chart
Scatter plot
Electrophoresis is commonly used to separate?
Sugars
Lipids
Proteins and nucleic acids
Vitamins
A major abnormality in serum electrophoresis pattern is seen in?
Diabetes
Tuberculosis
Multiple Myeloma
Hypertension
Autoanalyzers operate based on principle of?
Electrophoresis
Immunoassay
Colorimetry/Photometry
Fluorometry
Benedict’s test positive result in urine indicates?
Albuminuria
Glucosuria
Ketonuria
Bilirubinuria
Which of the following tests is commonly done using ABG analyzer?
Blood glucose
Bilirubin
Blood gases and pH
Urea
