Laboratory Procedures and Specimen Handling Quiz
Test your knowledge with questions on specimen collection, processing, & storage. Learn critical steps & common errors in lab procedures.
#1
Which of the following is a critical step in specimen collection?
Labeling the specimen container
Selecting any available container
Using expired collection tubes
Skipping patient identification
#2
What does the acronym SOP stand for in the context of laboratory procedures?
Standard Operating Procedure
Special Operations Protocol
Systematic Observation Plan
Standardized Order of Practice
#3
In laboratory terminology, what does 'hemolysis' refer to?
The breakdown of red blood cells
The presence of bacteria in a specimen
The formation of clots
The presence of abnormal cells
#4
Which of the following is a commonly used anticoagulant in blood collection tubes?
Sodium citrate
Ethanol
Sodium chloride
Potassium hydroxide
#5
Which of the following is a commonly used preservative for urine specimens?
Sodium citrate
EDTA
Boric acid
Ethanol
#6
What is the purpose of centrifugation in laboratory procedures?
To mix reagents
To separate components based on density
To measure pH
To sterilize equipment
#7
Which of the following specimens usually requires immediate processing to avoid degradation?
Urine
Stool
Sputum
Whole blood
#8
Which of the following is NOT a recommended method for specimen transport?
Using a leak-proof container
Transporting specimens at room temperature
Sending specimens in an unmarked container
Ensuring proper labeling
#9
What is the primary purpose of a chain of custody form in laboratory procedures?
To ensure patient confidentiality
To track the location and handling of a specimen
To request additional tests
To verify insurance information
#10
Which of the following is an example of a pre-analytical error in laboratory testing?
Misinterpretation of test results
Equipment malfunction
Incorrect specimen labeling
Failure to calibrate instruments
#11
What is the primary purpose of quality control measures in laboratory testing?
To reduce costs
To ensure accurate and reliable test results
To increase test sensitivity
To speed up the testing process
#12
What is the recommended temperature range for storing most biological specimens in a laboratory freezer?
-20°C to -10°C
0°C to 10°C
-80°C to -70°C
-196°C to -180°C
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