Chapter 46 Flashcards

Intro to the Clinical Laboratory (52 cards)

1
Q

Aliquot

A

A portion of a well-mixed sample removed for testing

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2
Q

Exudate

A

Fluids with high concentrations of protein and cellular debris that have escaped from the blood vessels and have been deposited in tissues or on tissue surfaces

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3
Q

POCT

A

Point of care testing; any testing done outside of a main laboratory setting.

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4
Q

Types of POCT collections

A

Nasal/ Nasopharyngeal, Throat swabs, Capillary puncture, Urine collection

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5
Q

Types of POCT Nasal/ Nasopharyngeal

A

Covic, Influenza or RSV

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6
Q

Types of POCT throat swabs

A

Throat cultures and strep testing

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7
Q

Types of POCT Capillary Punctures

A

Used for blood collections, blood sugar, lead, hba1c, hgb, and mono

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8
Q

Types of POCT Urine collections

A

Urinalysis and hcg

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9
Q

CLIA

A

Clinical Laboratory Improvement Amendments

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10
Q

When was CLIA law passed and what is its purpose?

A

1988, Establishes quality standards for all clinical laboratory testing

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11
Q

Types of CLIA testing complexities

A

Low Complexity tests-POCT, Moderate Complexity tests- only qualified personnel can perform, gram stain procedures, UA, and hematology (by Venipuncture), High complexity tests-Not performed in the POL, performed in the hospital or reference lab, Pathology and cytology

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12
Q

Quality Assurance

A

Written policies and procedures that assure monitoring of all processes involved before, during, and after a laboratory test is performed to produce reliable patient test results

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13
Q

Quality Control

A

Ensures the reliability of test results. After using manufactured samples with known values.

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14
Q

OSHA

A

Occupation Safety and Health Administration

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15
Q

What does OSHA do

A

Ensures a system of safeguards and regulations for safe working conditions.

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16
Q

What programs have been mandated in the lab to establish safety of personnel while working in the lab?

A

Exposure to hazardous materials and Exposure to blood borne pathogens

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17
Q

Bloodborne Pathogens Standards
When did it become a law and what is its purpose?

A

Law since 1992 that regulates the handling of blood and blood products.

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18
Q

Written Exposure plan for Bloodborne Pathogens Standards

A

Written job categories of employees at risk of exposure, HBV vaccination guidelines, Record of initial and annual Universal precautions training, Definition and listing of safe work practices (PPE, sharps containers), and Sharps injury log.

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19
Q

Chemical Safety for Bloodborne Pathogens standards

A

Utilizing SDS for proper handling, storage, disposal and first aid measures.

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20
Q

Standard Lab Precautions

A

Hand hygiene, wearing proper PPE when handling specimens, safe needle practices, safe handling and potentially contaminated equipment, and respiratory hygiene/ cough etiquette.

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21
Q

Physical Lab Hazards

A

electrical, fire, and mechanical hazards

22
Q

When and how do you use an eye wash station?

A

When chemicals get into your eyes, remove contacts/ glasses and flush with stead water stream for 15 minutes while holding eyelids open.

23
Q

What is Chain of Custody?

A

used for Forensic and legal specimens to make them consistent with established standards designed by the law

24
Q

What is a Microscope used for?

A

Used to view small objects too small to see with the naked eye

25
What is a centrifuge used for?
Machine that rapidly spins specimens to separate solids from a liquid using gravitational force (g-force)
26
What is an incubator used for?
Cabinet that maintains a constant temperature and used to maintain microorganism specimens to grow
27
Analyte
The substance or chemical being analyzed or detected in a specimen.
28
Anticoagulant
Category of medication or a chemical that prevents clotting of blood.
29
Aseptically
Free from living pathogenic organisms
30
Aspirate
To withdraw fluid using suction.
31
Calibration
Determining the accuracy of an instrument by comparing its output with that of a known standard or another instrument known to be accurate.
32
Caustic
Capable of burning, corroding, or damaging tissue by chemical action.
33
Control Materials
Manufacturer-prepared samples that have a known quantity of a specific analyte. Used for quality control purposes. Testing results should fall within a manufacturer defined range of results. Also called controls or quality controls.
34
Corrosive
Causing or tending to cause the gradual destruction of a substance by chemical action.
35
Culture media
A solid, liquid, or semisolid medium designed to support the growth of microorganisms, especially bacteria and fungi.
36
Cytology
The study of cells using microscopic methods.
37
Forensic
Scientific tests or techniques used regarding the detection of crimes.
38
Hemolyzed
A blood sample in which the red blood cells have ruptured.
39
Histology
The study of tissues
40
Inhalant
Any substance that can be breathed into the lungs
41
INR
International normalized ratio: Also called Prothrombin time (PT) Used to test effectiveness of blood they need medication
42
In vitro
Latin meaning in glass and commonly known as in the laboratory
43
Pathologist
A physician specially trained in the nature and cause of disease.
44
Pure culture
The growth of only one microorganism in a culture or on a nutrient surface.
45
Reagent
A substance for use in a chemical reaction
46
Referral laboratory
Your laboratory that performs testing for another laboratory. Also called a reference laboratory.
47
Sharps
Medical term for devices with sharp point or edges that can puncture or cut skin. examples include needles scalpels or Broken glass.
48
Specimen
A biological sample such as blood, urine, body fluids, feces, or tissue collected for analysis and evaluation.
49
SOP
Standard operating procedures: I set up by staff instructions to help employees carry out routine operations with Efficiency, high quality, and uniformity of performance.
50
STAT
Abbreviation for the Latin term statum, meaning immediately; at this moment.
51
Sterile
Free from all living organisms
52
Toxicology
The study of science that deal with the effects, antidotes, and detection of poisons or drugs.