30 Questions
What is the primary principle of measurement in an osmometer?
Freezing point depression
Which of the following is NOT a type of blood gas analysis?
Whole blood glucose analysis
What is the unit of measurement for the molal freezing point depression constant (Kf)?
°C/m
What is the primary application of osmometers in clinical laboratory settings?
Urgent vital tests for disorders such as DM and analgesics overdose
What is the term for the freezing point of the pure solvent?
Tf°
Which of the following substances is NOT measured by an osmometer?
pH
What is the primary function of the Osmometer in a clinical laboratory?
To measure blood and urine osmolality
What is the maximum throughput of the Cobas Pure in terms of photometric and ISE tests per hour?
Up to 750 tests per hour
What type of measurement methodology is used in the Cobas Pure for certain tests?
Spectrophotometric
What is the primary function of the Blood Gas Analyser in a clinical laboratory?
To measure pH, PO2, PCO2, and HCO3 in blood
What is the main advantage of the modular design of the Cobas Pure?
Integration of multiple analytical units
What is the purpose of the c303 Clinical Chemistry Analytical Unit in the Cobas Pure?
To perform routine chemistry tests
Which of the following conditions is characterized by low sodium levels but normal osmolality?
Pseudohyponatraemia
What is the analytical measurement principle used to calculate the osmolal gap?
Indirect ISE
Which of the following measurement techniques is used to measure the loss of intensity of light transmitted through a sample due to the scattering effect of insoluble particles?
Turbidimetry
What is the principle behind the Colorimetric measurement technique?
Change in absorbance
Which of the following is an example of a application of Enzyme Kinetics in measurement?
Liver enzymes
What is the term used to describe the difference between the actual and calculated osmolality?
Osmolal gap
What is the main difference between Turbidimetry and Nephelometry?
Turbidimetry measures particles at a single angle, while Nephelometry measures at multiple angles.
What is the primary application of Turbidimetry and Nephelometry?
Measuring concentrations of large particles in serum proteins
What is the principle of Electrochemiluminescence Immunoassay (ECLIA)?
It uses electroluminescence to measure the Sandwich complex
What is the effect of Indirect ISE method in Pseudohyponatraemia?
It causes an exclusion effect
Which of the following analyzers is commonly used for Turbidimetry?
Roche autoanalyzer
What is the primary application of Ion Selective Electrode and Electrolyte analyser?
Measuring electrolyte levels in serum
Which of the following biomarkers is used to diagnose neuroblastoma?
VMA
What is the primary function of thyroid function tests?
To evaluate thyroid stimulating hormone levels
Which of the following liver function tests is used to diagnose cholestasis?
Bilirubin
What is the primary application of cardiac markers tests?
To diagnose cardiovascular disease
Which of the following tumour markers is used to diagnose nasopharyngeal carcinoma?
Anti-IgM
What is the primary function of renal function tests?
To monitor electrolyte levels
Test your knowledge on routine chemistry analyzers, urgent bench analyzers, and other common equipment used in clinical chemistry and immunology. Learn about the principles and technologies of analyte measurement in tests such as liver and renal function, cholesterol, and more. This quiz covers the basics of MLS Instrumentation II.
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