LE 2 CP Flashcards by

Which falls under the WHO ASSURED criteria for point of care tests?
a. Complicated
b. Expensive
c. Specific
d. Esoteric

c. Specific

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Which of the following sets a POCT apart from the usual laboratory test?
a. The POCT specimen is sent to a lab
b. There is direct feedback of POCT result to the patient
c. The POCT report is transmitted to the doctor’s office
d. NOTA

b. There is direct feedback of POCT result to the patient

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What is the major advantage of a POCT compared to the usual laboratory test?
a. Patient stays tend to be longer with POCT
b. POCT results are more accurate than laboratory tests?
c. In general, a smaller amount of sample is required
d. NOTA

c. In general, a smaller amount of sample is required

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What is a major disadvantage of a POCT compared to the usual laboratory test?
a. There are fewer errors with POCT results compared to lab tests
b. Quality control needs to be taken into consideration
c. Lab tests are more convenient to the patient
d. NOTA

b. Quality control needs to be taken into consideration

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Where can POCT be done?
a. At home
b. In the ER
c. Inside an ambulance
d. AOTA

d. AOTA

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Which of the following statements regarding POCT training is true?
a. Anyone with the proper training can operate most POCT machines
b. There is little to no variability in how POCT users operate the machine
c. Laymen are the best source of information for teaching POCT use
d. NOTA

a. Anyone with the proper training can operate most POCT machines

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Which of the following serve as a bioreceptor for POCT test?
a. Multiplexer
b. Nuclei Acids
c. Monochromators
d. None of the above

b. Nuclei Acids

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In lateral flow immunoassays, signals are generated by the formation of sandwich complexes
a. True
b. False

a. True

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Home pregnancy tests are a type of lateral flow assay that detects the presence of:
a. Luteinizing hormone
b. Human Chorionic Gonadotropin
c. Estrogen
d. The question is invalid, pregnancy tests are not a type of lateral flow assay

b. Human Chorionic Gonadotropin

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Multi-use cartridge or bench top point of care testing systems:
a. Are usually used in critical care
b. Can also be seen in some surgical suites
c. Utilize thick film sensors or electrodes in strips to detect several analytes
d. All of the above

d. All of the above

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POCtests for the following can be non-invasive:
a. Urea
b. Bilirubin
c. CRP
d. None of the above

b. Bilirubin

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POCTs can act as reservoirs for microorganisms if these machines are not properly maintained.
a. True
b. False

a. True

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What kind of laboratory would an automated system help the best?
a. A remote primary laboratory with more than enough staff
b. A laboratory that receives a low monthly/daily volume of samples
c. A lab with high turnaround time
d. NOTA

c. A lab with high turnaround time

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Ideally, where and when should the identifying link between patient and specimen be created?
a. At bedside, post extraction
b. At the ward station, after extracting from all the ward patients for the day
c. At the laboratory, before inserting the sample into the machine
d. After the result generation

a. At bedside, post extraction

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Which of the following should be included in the primary label of a specimen
a. Name
b. Accession number
c. Patient Age
d. AOTA

d. AOTA

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Which of the following is an example of a two dimensional bar coding system?
a. PDF9001
b. QR code
c. Date Helix code
d. NOTA

b. QR code

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What problems could be encountered if one relays samples via a courier system?
a. Specimen breaks
b. Specimen is not stored properly (not hot or cold enough, exposed to light)
c. Specimen is agitated during the transport process
d. AOTA

d. AOTA

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What can be done to prevent errors in analyzing photolabile analytes
a. Make the containers optically clear
b. Make the container large with an air liquid space
c. Make the containers tinted orange or smoke colored
d. NOTA

c. Make the containers tinted orange or smoke colored

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Beads and fiber matrices are example of:
a. Denaturators
b. Antibody Detachment Sites
c. Solid Phases where antibodies are adsorbed
d. Transducers

c. Solid Phases where antibodies are adsorbed

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This refers to a type of analysis where batches of specimens are examined in a stream at the same rate.
a. Continuous Flow Systems
b. Discrete Processing Systems
c. Batch Flow Processing Systems
d. NOTA

a. Continuous Flow Systems

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How does one minimize carry-over, especially with discrete processing systems?
a. Make the rate of sampling faster
b. Establish a washing station for the sampler
c. Use the same pipette tip for all tests
d. NOTA

b. Establish a washing station for the sampler

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In an open system, reagents are generally:
a. Stable over short periods of time
b. Made by ingredients that come from a number of suppliers
c. Prepared by the manufacturer
d. None of the above

d. None of the above

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What does a laboratory workstation do?
a. Interfaces with the library information system
b. Displays quality control charts
c. Help troubleshoot the analyzer machine
d. All of the above

d. All of the above

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In an automated laboratory analysis, the coulter principle is applied mostly to:
a. Determining maturation
b. Condensing elements such as DNA
c. Counting cells
d. Direct determination of antibody binding capacity

c. Counting cells

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Flow Cytometry is usually used in complete blood counts. Which of the following cellular characteristics is not derived from this method? a. Size and shape b. granularity c. Nuclear lobularity d. Mitotic rate

d. Mitotic rate

What is the most important goal of Quality Control? a. To please supply chain problems b. To please your financial clients c. To detect analytical errors and correct them d. NOTA

c. To detect analytical errors and correct them

Specimen collection is part of the: a. Pre-analytic phase b. Post-analytic phase c. Analytic phase d. Semi-analytic phase

a. Pre-analytic phase

These two consist a majority of the errors received during lab tests a. Pre and post analytic phases b. Alytic and pre-analytic phases c. Analytic and post analytic phases d. NOTA

a. Pre and post analytic phases

What characteristics of a lab test could contribute to a higher chance of error? a. A one-step test b. A test that is considered the benchmark test c. A long, complex, multi step test d. A test that is easy to perform

c. A long, complex, multi step test

Which of the following is a source of pre-analytic error? a. Mislabeled specimen b. Clotted / hemolyzed specimen c. Eating food 6 hrs before FBS test d. All of the above

d. All of the above

What can the healthcare team/lab personnel do to avoid pre-analytical errors? a. Calibrate machines regularly b. Perform machine maintenance c. Create a log of all results transmitted d. Train phlebotomists adequately

d. Train phlebotomists adequately

Which of the following is considered a post-analytical error? a. Incorrect labeling b. Misidentification of patients to be extracted c. Anomalous trend in the analyzer d. Transcription error

d. Transcription error

If a sample sent to the lab is not acceptable, the BEST course of action would be: a. Report erroneous results anyway b. Contact the clinicians to inform them that the sample is not acceptable c. Wait an hour before contacting the clinicians d. Don’t say anything and let them figure it out

b. Contact the clinicians to inform them that the sample is not acceptable

. ________ is the phase with the highest proportion of errors: a. Pre-analytical b. Post-analytical c. Semi-analytic d. Analytic

a. Pre-analytical

What pre-analytic variable affects an ABG result? a. Error in pulse oximeter readout b. Improper transmission of results c. Software error d. Air bubbles in the syringe

c. Software error

You are in charge of a laboratory. During an interdepartmental meeting, the clinicians say that the interval between specimen submission and the giving of results is too long. The problem is eventually traced to a slow printer and a lack of a Lab Information System. What is this interval called, and in this particular case in what analytic phase is it a problem? a. Preanalytic phase - processing interval b. Analytic phase - calibration period c. Postanalytic phase - turnaround time d. Preanalytic phase - temporal storage

c. Postanalytic phase - turnaround time

You're the resident in charge of a twice weekly shift of nurses and medical interns and clerks in a large hospital ward. In order to prevent pre-analytical errors, what’s a good thing to do when meeting an incoming batch of interns and clerks for the first time? a. Delegate all tasks to the nurses b. Without doing anything, put them through a baptism of fire c. Learn what their baseline skills are and teach those who are deficient

c. Learn what their baseline skills are and teach those who are deficient

Clinical Pathology deals with the diagnosis of disease based on the laboratory analysis of substances such as: a. Semen b. Feces c. Blood d. All of the given choices are correct

d. All of the given choices are correct

. A good laboratory result is: a. Accurate b. Reliable c. Timely d. All of the choices are correct

d. All of the choices are correct

3. What consequences may happen when a lab generates an incorrect result? a. The patient gets treated unnecessarily b. A sick patient gets the correct diagnosis c. No additional lab tests may be done d. None of the above choices are correct

a. The patient gets treated unnecessarily

The efficient operation of a clinical laboratory involves the following: a. The mastery of a single discipline only b. Connected knowledge in different fields of expertise c. Isolation between management and employees d. None of the above choices are correct

b. Connected knowledge in different fields of expertise

25. True regarding quality management systems A. Not all large laboratories need to have them B. It encompasses most of the operations of the lab C. ISO 16001 is an example D. None of the choices are correct

b. It encompasses most of the operations of the lab

Why do labs need a quality management system? a. The question is incorrect, labs do not require a quality management system b. Labs are accurate by themselves and there is no need for accuracy c. Labs have complex processes and they need to be assessed to guarantee quality d. None of the above choices is correct

c. Labs have complex processes and they need to be assessed to guarantee quality

Which of the following is important in collecting medical records? a. Where to store the records b. How long to retain the records c. How these records are organized d. AOTA

d. AOTA

What is a consideration in planning for laboratory waste management? a. Where the wastewater will be disposed b. How to segregate infectious from non-infectious waste c. How to properly dispose of sharps d. All of the above are considerations of laboratory waste management

d. All of the above are considerations of laboratory waste management

Ergonomics refer to a system of designing and arranging things that the people and these things interact most efficiently. a. True b. False

a. True

A laboratory’s strength describes the advantage of that laboratory in comparison with other similar laboratories in the same geographical region. a. True b. False

a. True

A consideration in determining how many lab workers will work in your laboratory is: a. How much you will have to spend for their salaries b. The size of the laboratory c. The number of tests your laboratory can handle (test load) d. All of the above are correct

d. All of the above are correct

It is very difficult to give a precise definition of the term ‘management’. a. True b. False

a. True

Management involves the coordination and integration of resources to accomplish specific results a. True b. False

a. True

Any manager must have a good knowledge of certain quantitative methods and analysis of financial and statistical data a. True b. False

a. True

A lab’s physical resources refer to its operating and capital budget a. True b. False

b. False

In the equation for Beer-Lambert’s Law, which of the following can also be influenced by the size of the sample container, assuming ideal and appropriate conditions? a. Absorptivity b. Path length c. Molar concentration d. None of the above

b. Path length

Colorimetry and spectrophotometry can refer to the following: a. Employs color to determine the concentrations of various substances b. Employs color variations to determine the concentration of various substances c. Measures the luminous intensity of light d. All of the above

d. All of the above

This term specifically refers to a procedure for the quantitative determination of chemical elements using the absorption of optical radiation (light) by free atoms in the gaseous state. a. Nephelometry b. Microconcentration colorimetry c. Atomic absorption spectrophotometry d. Side scatter quantum turbidimetry

c. Atomic absorption spectrophotometry

In the visible light spectrum, the color red is in what nanometer range? a. 1380-440 nm b. 500-580 nm c. 600-620 nm d. 620-750 nm

d. 620-750 nm

Deviation from Beer’s Law become apparent at a. Higher concentration b. Shifts or changes in chemical or physical equilibrium involving the absorbing species c. Changes in instrument function d. AOTA

d. AOTA

True or False, the light emission from an excited electronic state can refer to both fluorescence and phosphorescence, differing only whether it is a singlet or triplet excited state. a. True b. False

a. True

Which kind of test would be a good fit determining clot formation in coagulation studies? a. Atomic absorption spectrophotometry b. Turbidimetry c. Electrophoresis d. NOTA

a. Atomic absorption spectrophotometry

What is the most constant thing in electrophoresis test? a. The medium is always gel b. The size of particle is constant c. The presence of an electric field (negative or positive charge) d. None of the above

c. The presence of an electric field (negative or positive charge)

Used for drug abused testing, this method is based on the fragmentation of and ionization of molecules using a suitable source of energy, where they are arranged in order of mass a. Mass spectroscopy b. Atomic absorption spectrophotometry c. Colourimetry d. Flourimetry

a. Mass spectroscopy

In a spectrophotometer, the light emitted by the light source is generally: a. Polychromatic (white light) before passing through another component b. Monochromatic from the start c. Neither of the above apply

a. Polychromatic (white light) before passing through another component

Which instrument requires a primary and secondary monochromator? A. Spectrophotometer B. Atomic absorption spectrophotometer C. Fluorometer D. Nephelometer

Fluorometer

In gas chromatography, the elution order of volatiles is usually based upon the: A. Boiling point B. Molecular size C. Carbon content D. Polarity

Boiling point

What is the confirmatory method for measuring drugs of abuse? A. HPLC B. Enzyme multiplied immunoassay technique (EMIT) C. Gas chromatography with mass spectroscopy (GC-MS) D. TLC

Gas chromatography with mass spectroscopy (GC-MS)

In absorption spectrophotometry: A. Absorbance is directly proportional to transmittance B. Percent transmittance is directly proportional to the concentration C. Percent transmittance is directly proportional to the light path length D. Absorbance is directly proportional to the concentration

Absorbance is directly proportional to the concentration

5. This method of measures the concentration in terms of light energy scattered in a forward direction by small particles in solution. The intensity of the scattered light is directly proportional to the number of particles in the solution. A. Turbidimetry B. Nephelometry C. Fluorometry D. Osmometry

Nephelometry

6 Test RT-PCR is a confirmatory test for presence of covid-19 in a patient tested to be positive in COVID antigen test. This confirmatory test requires A. High sensitivity so that no case is missed B. High specificity to be certain of the diagnosis C. High precision so that it will be compatible with the antigen test D. That it is suggestive of the presence of the disease

B. High specificity to be certain of the diagnosis

7. Sorting samples for different workstations A. Pre-analytic B. Analytic C. Post-analytic

A. Pre-analytic

8.Automated delivery system that transport a larger number of specimens than pneumatic but require a station for loading and unloading specimens, posing a problem in facilities with limited space A. Conveyor systems B. Pneumatic tube C. Mobile robots D. Electrical track vehicles

D. Electrical track vehicles

9. The most basic unit of automation A. Analyzer machine B. Workstation C. Laboratory Information System D. Workcell

B. Workstation

11. Which of the following test is NOT done as point of care? A. Urinalysis B. Glucose C. HPV D. CBC

A. Urinalysis

13. Point of care in hematology is not capable of: A. Hemoglobin B. Hematocrit C. INR D. WBC differential count

D. WBC differential count

17 This automated delivery system can load blood collection tubes into a carrier and program it to go to the laboratory or medications from pharmacies can be delivered to different wards A. Conveyor systems B. Pneumatic tube C. Mobile robot D. Electrical track vehicles

B. Pneumatic tube

19 Point of care testing is not performed in the emergency room A. True B. False

A. True

20. Point of care testing can be performed at: A. Hospital B. Office C. Home D. All of the above

D. All of the above

21. Automated specimen inspection can potentially address two of the most significant preanalytic concerns A. True B. False

A. True

24 Disadvantages of point of care testing: A. Reduced turnaround time (TAT) B. Reduced turnaround time (TAT) C. Self contained and user friendly instruments. D. Bedside tests performed by poorly trained personnel.

D. Bedside tests performed by poorly trained personnel.

25 Which of the following is NOT a sample of automated delivery system? A. Pneumatic tube B. Mobile robots C. Laboratory information system D. Conveyor systems

C. Laboratory information system

26. which of the following is not an advantage of RFID a. dynamic data storage B. not affected by cold storage C. Transfers sample into another container D. Can be read without having to open the container

C. Transfers sample into another container

27. Automatic sampling can be accomplished by: A. Stainless steel probes B. Hydrostatic pump C. NonLiquid displacement pipette

A. Stainless steel probes

28. Which of the following is TRUE of first random analyzer? A. sequentially analyzed each sample in a single or multiple parallel channel configuration B. It has a single analytic pathway for all testing instead of dedicated channels for each test. C. Tests are initiated sequentially based on what is ordered—that is, tests are not batched. D. It has a flexible configuration to process each test’s unique parameters

B. It has a single analytic pathway for all testing instead of dedicated channels for each test.

31.Ability of a laboratory test to detect positivity in the presence of disease. A. Sensitivity B. Predictive value C. Specificity D. Relative Risk

A. Sensitivity

32. Which of the following Point of care test is done at the emergency room? A. hiv test B. cardiac markers c.hepatitis b surface antigen d. urinalysis

B. cardiac markers

36. Which of the following will drive laboratory automation? A. To Increase maintenance B. Need to increase calibration C. Need to increase downtime D. Increasing turn around time

D. Increasing turn around time

38. This refers to the scope of laboratory tests that are performed where patient care is delivered A. Automated laboratory B. Point of care testing C. Laboratory information system

B. Point of care testing

41. Which of the following can perform Point of care testing? A. Physician B. Nurse C. Patient D. All of the above

D. All of the above

42. True of automation A. Performed manually by laboratory staff B. Capable of linking with preanalytic only C. It is a process with multiple devices

C. It is a process with multiple devices

43. This based on the number of tests run per hour, not the number of samples per hour A. Throughput B. Laboratory Information System C. Batch analyzer

A. Throughput