1.3 Specimen Collection, Handling, and Preservation Flashcards
Preferred specimen for routine urinalysis?
First morning collected using midstream clean catch
What is the recommended volume for preferred specimen?
10-15mL
The container for specimen collection of routine urinalysis should have a capacity of?
50mL
Labeling for Routine urinalysis on specimen?
Must be attach to the body of the container, consist of FULL NAME, DATE AND TIME
If the urine specimen is standing for more than 2 hours, it is acceptable
T or F
F
Rejection Criteria for Urine in RU:
- Unlabeled
- Mislabeled
- Contam
- Insuffiecient
- Improper transport
- Improper preservative
T or F
T
Preservation Techniques:
In Refrigeration, Bacteriostatic for ____ hrs, Maintains acid pH up to ____ hrs ; does not interfere with routine test but may cause precipitation of amorphous phosphate and urates
24 hrs
8hrs
Preservation Techniques:
Does not interfere with routine tests; cause odor change
a. Refrigeration
b. Phenol
c. Toluene
d. Thymol
b
Preservation Techniques:
Preserves glucose and sediments well; interferes with acid precipitation test
a. Refrigeration
b. Phenol
c. Toluene
d. Thymol
d
Preservation Techniques:
Does not interfere with routine tests; floats on surface and clings to pipettes
a. Refrigeration
b. Phenol
c. Toluene
d. Thymol
c
Preservation Techniques:
Good preservative for drug analysis
a. Formaline
b. Sodium fluoride
c. Boric acid
d. Saccomanno fixative
b
Preservation Techniques:
Excellent sediment preservative; preservative for addis count
a. Formaline
b. Sodium fluoride
c. Boric acid
d. Saccomanno fixative
a
Preservation Techniques:
Preserves protein and formed elements well
a. Formaline
b. Sodium fluoride
c. Boric acid
d. Saccomanno fixative
c
Preservation Techniques:
Preserves cellular elements; for cytology studies
a. Formaline
b. Sodium fluoride
c. Boric acid
d. Saccomanno fixative
d
Preservation Techniques:
Interfere with Reagent strip test for glucose, blood, leukocyte esterase
a. Formaline
b. Sodium fluoride
c. Boric acid
d. Saccomanno fixative
a and b
Preservation Techniques:
Interferes with drug and hormone analysis
a. Formaline
b. Sodium fluoride
c. Boric acid
d. Saccomanno fixative
c
Preservation Techniques:
Commercial fixative for cytology studies
a. Formaline
b. Sodium fluoride
c. Boric acid
d. Saccomanno fixative
d
Collection kits:
No preservative; refrigerate with 2 hours
a. Yellow UA plus tube
b. Light gray and Gray C & S
c. Cherry red/yellow tube
a
Collection kits:
Contains sodium propionate, ethyl paraben and chlorhexidine
a. Yellow UA plus tube
b. Light gray and Gray C & S
c. Cherry red/yellow tube
c
Collection kits:
Contains boric acid, sodium borate, and sodium formate
a. Yellow UA plus tube
b. Light gray and Gray C & S
c. Cherry red/yellow tube
b
Collection kits:
Prevents bacterial growth and metabolism
a. Yellow UA plus tube
b. Light gray and Gray C & S
c. Cherry red/yellow tube
b
In light gray and gray C&S tube, This prevents bacterial and metabolism for _____ hrs at ____ C, Keeps pH at about _____
48 hours
Room temp
6.0
Cherry red/yellow tube, the sepecimen is stable for ____ hrs at ____C
72 hours
Room Temp