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If possible specimens should be collected in what phase of infection before taking antibiotics
Acute/prodromal phase
T/F
A written order from a nurse is required before processing bacte culture
False
Must be by physician
T/F
Collected infectimg agents with the presence of normal flora is acceptable
False?
Not sure but it must be avoided
T/F
Aspiration from an open wound is sueprior to unopen wounds
False
Unopen > open
What is usually used for aspirates & tissues
Needle & syringe
Used for specimens with upper respiratory tract infection
Swabs
Used as last resort for wound specimen
Swab
What swabs are preferred over cotton & calcium alginate
Dacron/polyester & rayon swabs
Collection method of urine for bacte tests
Midstream
A patient submitted a sputum sample to the lab, they said that they removed dentures, rinsed their mouth, & gargled with listerine. The lab did not accept the specimen, why
Gargle only with water
Method used to collect specimen with deep cough
Expectorate
Best collection method for sputum/lower respiratory tract specimen
First morning
If expectoration is impossible what is an alternative
Aspiration
T/F
Sterile containers for stool are unecessary
True
The following are major concerns in storage & transport EXCEPT:
Safety of transporter
Cell death due to temp & ph change
Una from oxygen for aerobes
Overgrowth
NOTA
Protection from oxygen for aerobes
For unaerobes
What are the preservatives for urine & stool
Urine - boric acid
Stool - phosphate buffered saline
The most common anticoagulant used for bacte
Sodium polyanethol sulfonate (SPS)
Anticoagulant for viral cultures
Heparin
1 citrate can be used for bacte as anticoagulant
2 EDTA can be used for bacte as anticoagulant
1 is true 2 is false
1 is false 2 is true
Both are false
Both are true
Both are false
Citrate & EDTA must not be used for bacte
Carey-Blair
Modified stuart
Amies
Are all examples of
Holding & transport media
T/F
Unprotected bacte specimen can be processed up to 3 hrs
False
Process without delay until 2 hrs only
The following can be refrigerated at 4C EXCEPT:
Urine
CSF
Viral blood
Catheter
Swabs
NOTA
CSF
It is incubated
The following can be incubated at 4C EXCEPT:
CSF
Bacte blood spn
Agar plate culture
AOTA
NOTA
AOTA
Incubate at 37C
How are spn for isolation of fungus stored
room temp 25C
how should spn that will be delayed for more than 4 days be stored
freezing (-20C or -70C)
the following should be labeled in the spn EXCEPT:
px name/ID #
date & time of collection
site of collection
phleb initial/name
px birthday
NOTA
birthday
the following should be indicated in requisitions EXCEPT:
px name/ID #
px age & sex
site of collection
initial diagnosis/history
test requested
Dr name
date & time collection
room #
NOTA
NOTA
T/F
age & sex of px will make it easier to indentify pathogens
true