Chapter 12 quiz
The TAT refers to: - correct answer-the time it takes for laboratory test results to be
completed
Which of the following is a possible occurrence if a blood specimen tube for hematology
tests is filled correctly but not mixed long enough? - correct answer-Tiny clots will form in the
specimen.
Which of the following is a possible occurrence if a blood specimen tube for hematology
tests is filled correctly but mixed too long or too vigorously? - correct answer-Hemolysis will
occur.
Glycolytic action refers to: - correct answer-breakdown of glucose
Serum should be transported to the laboratory for testing and separated from blood cells
within which of the following time periods to prevent erroneous test results? - correct
answer-as soon as possible
Cooling a blood specimen causes: - correct answer-slowing of metabolic processes
Assays that require a chilled specimen include: - correct answer-gastrin, ammonia,
catecholamines, and lactic acid
Which of the following is considered confidential patient information? - correct
answer-clinical laboratory results of a patient
Specimens that require protection from light include those for: - correct answer-bilirubin and
folate
Specimens being tested would not usually require centrifugation in which of the following
areas? - correct answer-hematology (and coagulation)
For specimens that require centrifugation, serum or plasma should be removed from the
cells within what period of time? - correct answer-2 hours
How long does it usually take for a serum specimen (without additives) to form a clot? -
correct answer-30-60 minutes
Which specimen tube may be centrifuged immediately. Select all that applies.
Lithium heparin
Red topped tube
Sodium citrate
Sodium heparin
Tiger topped tube
The TAT refers to: - correct answer-the time it takes for laboratory test results to be
completed
Which of the following is a possible occurrence if a blood specimen tube for hematology
tests is filled correctly but not mixed long enough? - correct answer-Tiny clots will form in the
specimen.
Which of the following is a possible occurrence if a blood specimen tube for hematology
tests is filled correctly but mixed too long or too vigorously? - correct answer-Hemolysis will
occur.
Glycolytic action refers to: - correct answer-breakdown of glucose
Serum should be transported to the laboratory for testing and separated from blood cells
within which of the following time periods to prevent erroneous test results? - correct
answer-as soon as possible
Cooling a blood specimen causes: - correct answer-slowing of metabolic processes
Assays that require a chilled specimen include: - correct answer-gastrin, ammonia,
catecholamines, and lactic acid
Which of the following is considered confidential patient information? - correct
answer-clinical laboratory results of a patient
Specimens that require protection from light include those for: - correct answer-bilirubin and
folate
Specimens being tested would not usually require centrifugation in which of the following
areas? - correct answer-hematology (and coagulation)
For specimens that require centrifugation, serum or plasma should be removed from the
cells within what period of time? - correct answer-2 hours
How long does it usually take for a serum specimen (without additives) to form a clot? -
correct answer-30-60 minutes
Which specimen tube may be centrifuged immediately. Select all that applies.
Lithium heparin
Red topped tube
Sodium citrate
Sodium heparin
Tiger topped tube
