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Clinical Chemistry 2 > 3 Automation > Flashcards

3 Automation Flashcards

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1
Q

What is automation?

A

Mechanizing manual methods

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2
Q

What is discrete analysis?

A

Separation of each sample and analytical reagents in a separate container

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3
Q

What is a Batch analyzer versus a Random access analyzer?

A

Batch analyzer: Processes the same test(s) on a predetermined number of samples

Random access analyzer: Process samples independently of other samples on the analyzer (ie. put STAT on analyzer to be tests before previously input samples)

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4
Q

Describe what Throughput is.

A

Throughput: Maximum number of tests an instrument can perform when operating in steady state under running conditions

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5
Q

What is the term for workload performance in a a given time?

A

Productivity.

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6
Q

Define what the acronym TAT means.

A

Turn-around-time (TAT): Time sample enters lab to result send out

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7
Q

What does it mean to prime a machine in the lab?

A

Prime: Run liquids through lines during maintenance to ready lines or unclog lines during troubleshooting

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8
Q

What is the definition of dwell time?

A

Dwell time: Time lapse between initiation of a test and its completion

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9
Q

What is it called when a sample is contaminated by the preceding sample?

A

Carryover: Contamination of a sample by the preceding sample

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10
Q

What are barcodes?

A

Bar code: A set of vertical bars of varying width used to encode information. Used most frequently in the clinical laboratory for patient and specimen information.

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11
Q

What is calibration?

A

Calibration: The act of checking or adjusting (by comparison with a standard) the accuracy of a measuring instrument

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12
Q

What is a channel on an automated analyzer?

A

Channel: On an automated analyzer, a path or passage for reagents, specimens or electrical impulses. Automated analyzers may be single or multiple channel analyzers

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13
Q

What is the term for something that is all one unit?

A

Integrated systems: All one unit

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14
Q

What does it mean to be an instrument on standby?

A

Standby: Instrument is ready and waiting for further instructions. Instrument often must be in standby to perform certain maintenance procedures

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15
Q

What does STAT mean?

A

STAT: Samples with a high medical priority

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16
Q

What is maintenance?

A

Maintenance: The work of keeping something in proper condition; upkeep

17
Q

What is a probe?

A

Probe: On an automated analyzer, a mechanized device that automatically dips into a sample cup and aspirates a portion of the liquid

18
Q

What do they call a rotor in automated analyzers?

A

Rotor: A round device on some automated analyzers that holds sample cups and is capable of spinning

19
Q

What is a sample carousel?

A

Sample Carousel: A holder for placement of sample tubes or cups that can be placed directly on instrument

20
Q

What are Modular analyzers?

A

Modular analyzers: Flexible laboratory instruments that can be expanded and modified by adding or removing components in order to meet the laboratory’s changing testing requirements

21
Q

Define troubleshooting.

A

Troubleshooting: To investigate the cause of why something is not working properly in order to fix the problem

22
Q

What is sample integrity?

A

Sample Integrity: Quality or condition of the sample

23
Q

How does a wash step help prevent issues in the analysis in an analyzer?

A

Wash step: Wash solution used in between samples to prevent carryover

24
Q

What’s a flag?

A

Flag: Alert operator of a result or instrument error

25
Q

What is dead-volume?

A

Dead-volume: Excess sample that must be present to permit aspiration of the full volume required for testing

26
Q

What is closed tube sampling?

A

Closed tube sampling: An instrument’s ability to remove the patient’s sample for analysis from the primary collection tube by piercing through the stopper

Clinical Chemistry 2 (13 decks)

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