Pre-Analytics Final Prep Flashcards
What are antibodies?
Are proteins that protect you when an unwanted substance enters your body
What are antigens?
A substance causing your immune system to produce antibodies against it
Define bacteriostatic
prevents the growth of bacteria
What is bactericidal?
kills bacteria
What is a centrifuge?
A machine with a RAPIDLY ROTATING container that applies centrifugal FORCE to its contents, typically to SEPARATE FLUIDS of different DENSITIES
Calibrated every 3 months
What does it mean to decontaminate?
to remove, neutralize, or destroy any harmful substances
What is NORMAL FLORA?
Define pathogen
An organism causing disease to its host
Post-analytical means
The final phase of the total testing process and involves evaluation of laboratory test results
Pre-analytical means
This phase comprises of test selection, patient identification, collection of the sample, handling of the sample, sorting out, pipetting and centrifugation
What is sterilization?
Destroys all forms of microbial life
What kind of infection happens when the bacteria is already present in your body?
a) Epidemic
b) Exogenous
c) Endogenous
d) Pandemic
c) Endogenous - proceeding from within; derived internally
Epidemic - occurring widely in a community at a particular time
Exogenous - growing or originating from OUTSIDE an organism.
Pandemic - a widespread occurrence of an infectious disease over a whole country or world at a particular time
Gram positive have a _____ wall
thick
Gram negative have a _____ wall
thin wall
with a lipid layer
