QC/QA
what is the definition of accuracy?
a. an agreement of results with true value for substance in a given specimen
b. ability to produce a series of results on the same sample that agree closely with each other
c. a quality where samples are correct and free of error
d. how close results are to one another
a. an agreement of results with true value for substance in a given specimen
principle: measures the amount of light blocked by particulate matter as light passes through the cuvette by the colorimeter or spectrophotometer
a. osmometry
b. turbidimetry
c. fluorometry
d. nephelometry
b. turbidimetry
what type of fire extinguisher would be best to use on computer equipment?
a. CO2
b.foam
c. halon
d. water
c. halon
Halon is heavier than air and will displace the O2 putting out the fire. It will NOT damage equipment.
CLIA'88 was enacted to regulate the following:
a. all clinical laboratories in the unites states
b. independent laboratories not regulated by the occupational safety and health administration
c. environmental protections agency laboratories
d. industrial laboratories
a. all clinical laboratories in the unites states
according to CLIA'88 testing personnel performing high-complexity laboratory tests must have at least a:
a. Bachelor of Arts
b. Bachelor of Science degree in medical laboratory science
c. associate degree in medical laboratory science
d. high school diploma
c. associate degree in medical laboratory science
= MLT
what is the definition of precision?
a. an agreement of results with true value for substance in a given specimen
b. ability to produce a series of results on the same sample that agree closely with each other
c. a quality where samples are correct and free of error
d. how far apart results are to one another
b. ability to produce a series of results on the same sample that agree closely with each other
principle: energy emission that occurs when certain compounds absorb electromagnetic radiation, become excited and return to energy levels slightly lower than their original energy levels
a. osmometry
b. turbidimetry
c. fluorometry
d. nephelometry
c. fluorometry
which of the following is PPE?
a. biological safety cabinet
b. latex gloves
c. sharps container
d. work shields
b. latex gloves
the rest are examples of engineering controls
records of a patient's laboratory test results may be released without prior consent of the patient to all of the following except
a. an insurance carrier
b. physician on call
c. nursing staff
d. an employer
d. an employer
point-of-care testing POCT refers to:
a. all testing done to the patient to save time
b. all laboratory testing done in a central laboratory
c. any clinical laboratory testing done at the patient's bedside
d. testing done at a satellite laboratory
c. any clinical laboratory testing done at the patient's bedside
what is sensitivity?
a. ability to measure only the substance of interest
b. substances whose exact concentration, purity or quality are known
c. ability to detect small concentrations of a substance
d. substances having a known it determined "range" of values
c. ability to detect small concentrations of a substance
principle: measures the total number of dissolved particles in a solution
a. osmometry
b. electrophoresis
c. spectrophotometry
d. chromatography
a. osmometry
If an employee suspects that the employer is violating safety standards, which agency should be notified?
a.OSHA
b.OIG
c.CDC
d.CLIA
a.OSHA
the following is (are) successful indicator(s) of quality assurance (QA) and quality improvement (QI) programs in a clinical laboratory:
a. A "log" of incident report and solutions attained
b. emergency department and STAT turnaround times
c. positive patient identification wristbands for blood bank operations
d. all of these options
d. all of these options
Bacillus anthracis is recovered. CDC says organism would fall under what category?
a. category A
b. category B
c. category C
d. none of these options
a. category A
category A those that would cause the most harm
what is specificity?
a. ability to measure only the substance of interest
b. substances whose exact concentration, purity or quality are known
c. ability to detect small concentrations of a substance
d. substances having a known it determined "range" of values
a. ability to measure only the substance of interest
principle: separated mixture into individual components on basis of specific differences in physical characteristics
a. osmometry
b. electrophoresis
c. spectrophotometry
d. chromatography
d. chromatography
the concept that laboratory personnel should treat all blood and body fluids as capable of transmitting infectious disease is known as
a.infection control
b.quality control
c.safe practice standards
d.universal precautions
d.universal precautions
continuous quality improvement is a team effort approach for clinical laboratories to:
a. identification potential problems and correct them
b. set laboratory financial benchmarks for the year
c. make up new current procedural terminology codes
d. improve overall wages for lab employees
a. identification potential problems and correct them
according to CLIA regulations, which person qualifies as a clinical laboratory consultant?
a. CLIA qualifies laboratory director
b. MLS with baccalaureate degree and one year of laboratory training or experience
c. MLT with an associate degree and two years of laboratory training or experience
d. all the above
a. CLIA qualifies laboratory director
what is F-test?
a. ranges of values within which control result must fall
b. comparison of most recent patient result with previous result(s)
c. comparison of the means of two populations or two test method means, used to compare the accuracy of two methods
d. comparison of standard deviations of two populations or two test method standard deviations, used to compare precision of two methods
d. comparison of standard deviations of two populations or two test method standard deviations, used to compare precision of two methods
principle: physical separation of protein based on their ionic charge and molecular charge
a. osmometry
b. electrophoresis
c. spectrophotometry
d. chromatography
b. electrophoresis
a clinical laboratorian's first response to a formalin spill in the laboratory is to
a. call 911
b.consult SDS
c.evacuate all personnel from the area
d.notify the supervisor
c.evacuate all personnel from the area
1. evacuate
2. notify supervisor
3. consult SDS
which regulatory agency mandates the following requirements for the protection of employees of clinical laboratories? 1. provide PPE 2. require Hep B vaccines at no cost 3. require specific biological material labeling 4. provide training and updating yearly safety standards
a.FDA
b.OSHA
c.AABB
d.ASCP
b.OSHA
a breach of confidentiality involving a patient's chemistry test result occurred when it was willfully given to another employee who was closely acquainted with the patient but was not a family member. Which is the most appropriate course of action of the laboratory supervisor to take?
a. terminate both employees
b. let it go and do nothing
c. reprimand both employees, note the incident in their files, and require confidentiality retraining
d. call for a meeting of all laboratory employees to discuss the incident and initiate retaining for all
c. reprimand both employees, note the incident in their files, and require confidentiality retraining