Clinical Chemistry: Exam with correct answers 2024
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Course
Clinical Chemistry: Exa
Institution
Clinical Chemistry: Exa
Polyethylene can bind or absorb proteins, dyes, stains, and picric acid. correct answers Care must be taken before selecting polyethylene plastic for use as test tubes and disposable transfer pipets because:
The liquid obtained from a column during separation correct answers What is the defini...
Polyethylene can bind or absorb proteins, dyes, stains, and picric acid. correct answers
Care must be taken before selecting polyethylene plastic for use as test tubes and
disposable transfer pipets because:
The liquid obtained from a column during separation correct answers What is the
definition of eluate?
It is within the reference range correct answers A fasting glucose level on a patient
results in a value of 101 mg/dl what can be said about this result?
It is above the reference range correct answers A total bilirubin level on a patient
results in a value of 1.2 mg/dl what can be said about this result?
Exposure Control Plan correct answers A blood-borne pathogens protocol designed to
help prevent accidental exposure of laboratory personnel is found in which of the
following plans?
tests that are very simple. correct answers What is the definition of waived testing?
Volumetric correct answers Which pipette would deliver the most accurate volume to
dilute a control or calibrator?
a test of competency performed periodically on each analyte using externally known
samples. correct answers Proficiency testing is:
Exclusion of any quality control results greater than ±2 standard deviation from the
mean correct answers Which of the following practices is inappropriate when
establishing quality control ranges?
ALL OF THE ABOVE
POCT is generally performed outside the physical limits of the laboratory
POCT must be carefully implemented by the laboratory
POCT is a rapidly growing area of laboratory medicine correct answers The following
statements are true about POCT
The closeness of the agreement between the measure value of an analyte to its true
value correct answers Which of the following statements best defines the term
accuracy?
, It is above the reference range correct answers A CO2 level on a patient results in a
value of 35 mmol/L what can be said about this result?
Pour off specimens into another container correct answers Direct tube sampling by
automated analyzers eliminates the need to perform which of the following tasks?
NA,K,CL,CO2 correct answers Name the four Electrolytes in the Electrolyte panel
1:5 correct answers A colorimetric method calls for the use of 100 ul serum, 200 ul of
reagent and 200 ul of water. What is the final dilution of the serum?
Haptens are substances that are capable of binding an antibody but by themselves
cannot stimulate an immune response. correct answers Which of the following best
describes haptens?
Numbers of tests performed per hour. correct answers Throughput on an automated
chemistry analyzer is defined as:
A single cell line correct answers Monoclonal antibodies are derived from which of the
following?
99.7% correct answers Levy Jennings Chart has the mean as the center of the chart
and the two boundaries are 3 standard deviations from the mean, what percent of
results should fall within the 3 SD range if the instrument and control are behaving
normally?
10.0 mg/dL correct answers A patient's creatinine is outside the linear range of the
analyzer; 10 µL of serum is added to 90.0 µL of diluent and the diluted sample is
reanalyzed. The creatinine value of the diluted sample is 1.0 mg/dL. Which of the
following creatinine values is correct?
freezing point. correct answers The osmolality is measured by the change in the
colligative properties of a solution. Those colligative properties include:
Drain by gravity. correct answers A to deliver or TD pipets are designed to:
Patient-specific information, for example, name, age, and date of birth correct answers
The term patient demographics refers to which type of information that is entered into a
laboratory information system?
A reduction in the number of laboratory errors correct answers Automating laboratory
testing has resulted in which of the following?
20 correct answers If 10 mL of sample is added to 190 mL of diluent, what is the
dilution factor?
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