Test 4 Urinalysis Flashcards Preview

MLT Hematology, Chemistry, Phlebotomy, Micro > Test 4 Urinalysis > Flashcards

Flashcards in Test 4 Urinalysis Deck (80)
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0

Which specimen is most concentrated and best for routine testing?

First morning specimen

1

What is the type of specimens?

RANDOM (most used)
FIRST MORNING
FASTING
2 HOUR POST PRANDIAL
CLEAN CATCH, MIDSTREAM
CATHETERIZED
SUPRAPUBIC

2

What is BEST FOR CULTURE OTHER THAN CATHETERIZED OR SUPRAPUBIC

Clean catch

3

Which specimen are for glucose testing?

Fasting
Post prandial

4

Examples of SPECIFIC SECURITY PROCEDURES

No purses
Empty pockets
Water turned off

5

What causes the yellow pigment?

Urochrome

6

Low specific gravity is what color?

Pale yellow "straw"

7

High specific gravity is what color?

Dark yellow

8

PINK/RED color is?

RBC or hemoglobin

9

Brown color is?

Myoglobin

10

Dark yellow is?

Concentrated specimen

11

Orange is?

Bilirubin (foams on top when shaken)
Or
Contaminate of pyridium dye

12

Amber is?

Dehydration/burns

14

Green is?

Pseudomonas infection

15

What is the suprapubic specimen

the doctor inserts a needle into the bladder to collect urine.

16

Chain of custody with what type of screening?

Drug screening

17

BQ: The primary chemical constituents of normal urine are:

Urea, chloride, and water

18

BQ: An unidentified fluid is received in the laboratory with a request to determine if fluid is urine or another body fluid. What tests would determine that the fluid is urine?

Urea and creatinine

19

BQ: A person exhibiting oliguria would have a daily urine volume of;

200-400ml

20

BQ: A patient presenting with polyuria, polydipsia, nocturnal, and high urine specific gravity...what is the disorder?

Diabetes mellitus

21

BQ: An unreserved specimen collected at 8am and kept at room temp and does not arrive until mid afternoon can be expected to have:

Decreased glucose and ketones Increased bacteria and nitrate

22

BQ: A specimen containing precipitated amorphous unrated may have been preserved using:

Refrigeration

23

BQ: What 3 changes will affect the results of a microscopic exam of urine if not tested within 2hours?

Increase bacteria Decrease RBC and casts

24

BQ: Best preservation of urinary sediments:

Boric acid and thymol

25

BQ: What chemical can be used to preserve specimen for culture and routine urinalysis?

Boric acid

26

BQ: What is the specimen of choice for routine urinalysis?

First morning specimen

27

BQ: Quantitative urine tests are performed on:

Timed specimens

28

BQ: Cessation of urine flow is termed:

Anuria

29

BQ: What type of urine specimen should be collected from patient who complains of painful urination and physician has ordered a routine UA and urine culture?

Midstream catch

30

BQ: Concentration of a normal urine specimen can be estimated by:

Color