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WorksheetsPractice quiz on CC1 lab
Total questions: 17
Worksheet time: 13mins
What pipette has a bulb close to the delivery tip and is used for viscous fluids?
(a)
What does the etched rings on the top of the pipette means?
pipet should be drained and the last drop must remain in the pipet
last drop is to be blown out after it drains
pipet is color coded
pipet is a volumetric pipet
Standard solution from 99..95% of the chemical can be retrieved are referred to as:
Primary standards
Secondary standards
Lyophilized standards
Present standards
What statistical term most specifically describe analytical precision?
Mode
Mean
Median
Coefficient of variation
What anticoagulant enhances the activity on antithrombin to prevent thrombin formation hence preventing a clot to form
(a)
What glucose test shows the glucose picture of the patient for the last 2-3 months
(a)
What does a spectrophotometer measures?
The amount of light a substance absorbs
The concentration of a chemical
The wavelenth of the analyte
The percentage mass of the analyte
What is the reference method of glucose quantitation?
(a)
The diffference between a serum and a plasma, is the serum does NOT contain?
Thrombin
Fibrinogen
Fibrin
Calcium
In the copper reduction method for glucose, measuranle color is developed through the formation fo
Copper sulfate
Molybdenum blue
Copper cobalt complex
Phosphomolybdenum
Which of the following is NOT true about the centrifuge?
Centrifugal force depends on mass, speed and radius
The speed is checked by a speedometer
Centrifuge are cleaned of any debris daily
The centrifuge cover should remain closed until the centrigufe come to a complete stop to avoid any aerosol contamination
Acronym used to remember the steps in case of fire
SAFE
RACE
PASS
AMEN
What is the degree of reproducibility if the analytical method
reliability
accuracy
precision
quality control
Which of the following is INCORRECTLY matched?
Systematic error: reagent deterioration
Systematic error: improper calibration of the equipment
Random error: mislabeling of a sample
Random error: changes in the standard materials
What violation of the Westgard rule is aasociated with random error?
12s
13s
R4s
10x
All patient samples require a SAMPLE BLANK
True
False
Neither true or false
Insufficient information
________ measures concentration through detection of absorbance of light by atoms instead of molecules. It is used to measure concentration of heavy metals that are not easily excited
AAS
FES
Refractometry
GC-MS
