MDLB 1521 module B - microbiological specimens with Complete Solutions
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Course
MDLB 1521
Institution
MDLB 1521
MDLB 1521 module B - microbiological specimens with Complete SolutionsMDLB 1521 module B - microbiological specimens with Complete SolutionsMDLB 1521 module B - microbiological specimens with Complete SolutionsMDLB 1521 module B - microbiological specimens with Complete Solutions
What are the four...
MDLB 1521 module B -
microbiological specimens with
Complete Solutions
What are the four main groups of microbiological specimens? - ANSWER - Bacteria,
fungi, parasites, and viruses
Blood fluid specimens include - ANSWER - Blood, urine, cerebrospinal fluid (CSF),
respiratory specimens (sputum), and other fluids (synovial, pleural, etc.)
Safety procedures in the collection of specimens - ANSWER - Follow standard
precautions, use appropriate PPE, do not contaminate the external surface of the
collection container or the requisition, minimize direct handling of specimens in
transit from collection point to lab, and use plastic, sealable bags with a separate
pouch for paperwork
Whenever possible, specimens for culture are collected _____________ administration
of antibiotics - ANSWER - Before
Specimens should be collected with as little - ANSWER - Contamination from normal
flora as possible to ensure that the sample will be representative of the infected
site.
Always collect an _______________ amount of specimen for testing - ANSWER -
Adequate
It is crucial to ___________ specimens correctly with the _____________, and
_____________. - ANSWER - Specific source and specific site. So that the appropriate
culture media can be selected during processing
Using appropriate collection devices, specimen containers, and transport media
ensures - ANSWER - Preservation of viability of microorganisms, ensuring their
optimal recovery.
, Cervix and urethral swabs - ANSWER - Tested for gonorrhea and chlamydia via NAAT
method
Why is collecting and processing specimens from patients with ocular infections
problematic? - ANSWER - Because tears constantly wash the eye and contain
natural antibacterial agents
For best results, mouth swabs are obtained before - ANSWER - The patient begins
antimicrobial therapy
Specimens should be collected in - ANSWER - Sterile, sturdy, screw-cap, leak-proof
containers with kids that do not create an aerosol when opened
Culture container labels should include - ANSWER - Patient's full name, hospital
number or equivalent, specimen source, & time and date of collection
commensal organisms - ANSWER - bacteria normally found at various non-sterile
body sites but do no harm
Specimens are collected into or onto what? - ANSWER - Sterile containers or sterile
culture swabs
Culture swabs are used for - ANSWER - Culture and sensitivity testing of various
body parts
Culture swabs have a _______________ or a __________________ in the bottom of the
container to keep the bacteria alive during transport. - ANSWER - Transport gel or a
moistened sponge
Physicians or nurses rather than MLAs will collect cultures from - ANSWER - Swabs
from wounds, body fluids, respiratory tract, and genital specimens
Because urine is a good growth medium in which organisms will multiply rapidly,
urine must be - ANSWER - Either cultures within 2 hours of collection or refrigerated
(4 degrees C) for up to 24 hours until it can be cultured.
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