3.1 Introduction to Urinalysis Flashcards
Urine composition:
Water: 95%-97%
T or F
T
60g Total solids in urine: (35g organic)
Major organic component of urine?
a. Urea
b. Creatinine
c. Chloride
d. Potassium
a
60g Total solids in urine: (35g organic)
2nd most organic component of urine?
a. Urea
b. Creatinine
c. Chloride
d. Potassium
b
60g Total solids in urine: (35g organic)
Major inorganic component of urine?
a. Urea
b. Creatinine
c. Chloride
d. Potassium
c
Inorganic component in urine:
___>_____> Potassium
Chloride, Sodium
Principal salt in urine?
a. NaCl
b. NaOH
c. NaMg
a
For routine qualitative urinalysis
a. Random
b. First morning
c. 2 h post prandial urine
d. 2nd morning/Fasting
a
Most Ideal sample for Cytology?
a. Random
b. First morning
c. 2 h post prandial urine
d. 2nd morning/Fasting
a
Most ideal specimen for routine urinalysis and pregnancy test, most acidic and concentrated
a. Random
b. First morning
c. 2 h post prandial urine
d. 2nd morning/Fasting
b
Use for Glucose DETERMINATION
a. Random
b. First morning
c. 2 h post prandial urine
d. 2nd morning/Fasting
d
Use for Diabetic monitoring and test for glucose
a. Random
b. First morning
c. 2 h post prandial urine
d. 2nd morning/Fasting
c
For routine screening and bacterial culture
a. Glucose tolerance
b. Midstream Clean-Catch
c. Catheterized
d. suprapibic aspiration
e. Pediatric specimen
b
The abdominal wall is punctured, and urine is directly aspirated from the bladder
a. Glucose tolerance
b. Midstream Clean-Catch
c. Catheterized
d. suprapibic aspiration
e. Pediatric specimen
d
May be urethal or ureteral
a. Glucose tolerance
b. Midstream Clean-Catch
c. Catheterized
d. suprapibic aspiration
e. Pediatric specimen
c
Which among is the most sterile?
a. Glucose tolerance
b. Midstream Clean-Catch
c. Catheterized
d. suprapibic aspiration
e. Pediatric specimen
d
In three glass technique:
First portion is _____ urine
Middle portion of _____ urine
third is urine after _______ massage
Voided, voided, prostatic
What is the purpose of 2nd specimen in three glass technique?
a. Voided
b. Prostatitis determination
c. Control for UTI
c
Also known as The four glass method:
a. Stamey mears
b. Donath Landsteiner
c. Beers test
a
In timed specimen:
For Addis Count
a. 24 hours
b. 12 hours
c. 4 hours
d. Afternoon (2-4 PM)
b
In timed specimen:
Begins and end the collection period with an empty bladder and requires preservatives
a. 24 hours
b. 12 hours
c. 4 hours
d. Afternoon (2-4 PM)
a
in 24 hours urine, the first morning in 2nd day is voided
T or F
F
1st morning
In timed specimen:
For Nitrite determination
a. 24 hours
b. 12 hours
c. 4 hours
d. Afternoon (2-4 PM)
c
In timed specimen:
For Urobilinogen determination
a. 24 hours
b. 12 hours
c. 4 hours
d. Afternoon (2-4 PM)
d
Due to diurnal variation
Drug Specimen collection:
Documentation of proper sample ID from time of collection to receipt of lab results
a. Chain of Custody
b. Safety Data Sheet
c. Manual Lab results
a
Drug Specimen collection:
Required volume of Urine
a. 60mL
b. 30-45 mL
c. 50 mL
d. 5-10mL
b
Drug Specimen collection:
Required container capacity
a. 60mL
b. 30-45 mL
c. 50 mL
d. 5-10mL
a
What is the urine temp requirement for Drug testing within 4 mins?
a. 32 - 37
b. 32-7 - 37.5
c. 32.5 - 37.7
c
If the remperature is out of range for drug testing specimen what will you do?
a. repeat the specimen immediately
b. Record the temp
c. Call the supervisor
d. b and c
e. All of the above
d
This is added to the toilet water reservoir to prevent specimen adulteration
Blueing agent (dye)
Following collection, urine specimen should be delivered to the lab within _______
a. 1 hr
b. 2hr
c. 30 mins
b
Changes in unpreserved urine:
- Increased in pH
- Increased in bacteria
- Increased in odor
- Increased in Nitrite
- Darkened color
t or F
T
pBAON
Changes in unpreserved urine:
- Increased in clarity
- Decrease glucose
- Decrease ketones
- Decrease bilirubin
- Decrease urobilinogen
T or F
F
Decrease clarity
Preservative of choice for Routine Urinalysis and URINE CULTURE
a. Refrigeration
b. Thymol
c. Boric acid
d. Formalin
a
Does not interfere checmical test however raises SG due to precipitation of amorphous Phosphate and urates
a. Refrigeration
b. Thymol
c. Boric acid
d. Formalin
a
Preserves Protein however may precipitate crystals when used in large amounts
a. Refrigeration
b. Thymol
c. Boric acid
d. Formalin
c
For culture tansport and C&S
a. Refrigeration
b. Thymol
c. Boric acid
d. Formalin
c
Preserves glucose and sediments well however it interferes with acid precipitation test
a. Refrigeration
b. Thymol
c. Boric acid
d. Formalin
b
The following are preservatives for 5-HIAA except?
a. Thymol
b. Boric acid
c. HCl
d. None of the above
a
Preservative for Addis Count
a. Refrigeration
b. Thymol
c. Boric acid
d. Formalin
d
Prevents Glycosis
a. Toluene
b. sodium fluoride
c. Phenol
d. Saccomanno Fixative
b
Use for Drug analysis
a. Toluene
b. sodium fluoride
c. Phenol
d. Saccomanno Fixative
b
Cytology Study
a. Toluene
b. sodium fluoride
c. Phenol
d. Saccomanno Fixative
d
Best All around Preservative
a. Toluene
b. sodium fluoride
c. Phenol
d. Saccomanno Fixative
a
Does not interfere with routine test but may cause odor change
a. Toluene
b. sodium fluoride
c. Phenol
d. Saccomanno Fixative
c
