random mt recalls (more on lab safety, hema, phleb, clin chem) Flashcards
normal blood pH
7.35 to 7.45
occurs when serum pH is higher than normal
alkalemia ( > 7.45)
specimen collection and processing is under which part of quality assurance program?
pre-analytical phase
length of needle usually used in routine phlebotomy
1.0 - 1.5 inches
“no hazard” is what degree of hazard?
0 - no degree hazard
1 - slight hazard
2- moderate hazard
3 - extreme hazard
4 - serious hazard
It is a sample of known quantity with several analytes present.
control
normal values of platelet estimate (uL)
200,000 to 400,000 uL
what are the possible route of infection in the microbiology laboratory?
airborne, ingestion, direct inoculation, mucous membrane contact, arthropod vector
give the possible route of infection in the microbiology laboratory:
- infectious sources are fleas
arthropod vector
give the possible route of infection in the microbiology laboratory:
- aerosols form during centrifugation of unstoppered tubes
airborne
give the possible route of infection in the microbiology laboratory:
- eating after failure to wash hands
ingestion
give the possible route of infection in the microbiology laboratory:
- infection may result from needle sticks, broken glass, animal bites, or small scratches on the skin
direct inoculation
give the possible route of infection in the microbiology laboratory:
- infection directly enter through conjunctiva of the eye
mucous membrane contact
why do we need to follow the order of draw?
to prevent carry over of the additives from one tube to the next and interfere with testing results
tourniquet should be securely wrapped around unclothe arm about ________ above selected site.
3 to 4 inches (7.5-10 cm)
true or false
- the higher the gauge, the smaller the diameter
true
routinely, what are the gauge needles used?
19, 20, 21 (steininger)
20, 21, 22 (brown)
convenient and commonly used technique for making peripheral blood smears
wedge smear
enumerate the order of draw.
- blood-culture tube (yellow)
- sodium citrate tube (light blue)
- serum tubes with or without clot activator or gel separator (red, gold, or red-gray marbled stopper)
- heparin tubes (green or light green)
- EDTA (lavender)
- Oxalate or Fluoride tubes (gray)
RBC thoma pipet dilution?
DF = 200 or 100
Dilute to 101
aspirate to 0.5 or 1.0
WBC thoma pipet dilution?
DF = 20 or 10
Dilute to 11
aspirate to 0.5 or 1.0
it refers to time ordering a test through analysis in the lab to charting of the report
turnaround time (TAT)
it is the most widely used plan for quality improvement in health care
Plan-Do-Study-Act (PDSA)
these are processes that affect the reporting of results and correct interpretation of data
post analytical factors
In NFPA, symbol relating to health hazard is color-coded as _________
blue
In NFPA, color white codes for __________
specific hazard
In NFPA, color yellow codes for __________
reactivity or instability hazard
In NFPA, color red codes for __________
fire hazard