PRELIM LEC: SPECIMEN COLLECTION AND PROCESSING Flashcards
The major goal of microbiology laboratory is
to aid in the diagnosis of infectious diseases.
In order for us to come up an accurate
diagnosis, there is a need for appropriate
specimen _________
specimen selection, collection, and
transportation
are critical steps in providingninformation that is vital in diagnosis and treatment
Specimen selection, collection, and
transportation
GOAL of the specimen collector:
MAINTAIN THE VIABILITY OF THE ORGANISMIS WITH MINIMAL CONTAMINATION
If possible, collect the specimen in the ______________________
ACUTE PHASE OF THE INFECTION and BEFORE ANTIBIOTICS ARE ADMINISTERED
Select the_____________ of the specimen
CORRECT ANATOMIC SITE FOR COLLECTION
Collect the specimen using the _____________ from normal biota
PROPER TECHNIQUE and SUPPLIES WITH MINIMAL CONTAMINATION
Collect the ___________ of a specimen
APPROPRIATE QUANTITY
________ in a container or transport medium designed to maintain the viability of the organisms and avoid hazards that result from leakage
PACKAGE THE SPECIMEN
LABEL the specimen with:
SPECIFIC ANATOMIC SITE, DATE AND TIME OF
COLLECTION, PATIENT’S NAME and an
UNIQUE ID NUMBER
____________ or make provisions to STORE THE SPECIMEN in an environment that will now degrade the suspected organism/s
TRANSPORT the specimen to the laboratory PROMPTLY
____________ if unusual
pathogens or agents of bioterrorism are
suspected
NOTIFY the laboratory in advance
Containers for specimens should be sterile except for ____
stool
_____ are not recommended for collection
Swabs
swab is Appropriate for specimens from the:
upper respiratory tract, external
ear, eye and genital tract
Tips of swab may contain:
cotton, dacron, rayon or calcium alginate
Swab collection systems are
available
SWABS
can easily dry
SWABS
Area should be
For lesions, wounds and abscesses:
CLEANSED
Found in superficial layer of the skin
For lesions, wounds and abscesses:
lesions, wounds and abscesses
Collect _________ of the lesion and should be collected by needle aspiration
For lesions, wounds and abscesses:
from the advancing margin
Aspirated material should be placed into a _________
For lesions, wounds and abscesses:
sterile tube or transport vial
Found in superficial layer of the skin
lesions, wounds and abscesses
Urine:
Clean-catch midstream urine
specimen