Platings routine chemical examination

Question 1

Urine specimen tested for protein by reagent strip and Exton test. This mean that the specimen possibly contains.
A. Bence Jones protein
B. Moderate amount of albumin
C. Albumin and globullin
D. Small amount of albumin

Answer 1

Bence jones protein

Question 2

Which of the following can possibly make the urine alkaline?

Answer 2

Diet rich in vegetables

Question 3

Which of the following can possible cause of pre-renal type of proteinuria?

Answer 3

Bence jones protein

Question 4

Which is true about reagent strip testing for glucose?

Answer 4

Positive result is green brown

Question 5

Which of the following statements about bence jones protein is correct?
A. Elevated in multiple myeloma
B. The protein dissolves at 100 c
C. Both
D. Neither

Answer 5

both
A. Elevated in multiple myeloma
B. The protein dissolves at 100 c

Question 6

Methyl red and bromothymol blue are the reagents present in the test pad for
a. pH
b. glucose
c. protein
d. sp gravity

Answer 6

pH

Question 7

Which of the following is true about benedicts test?
a. detects glucose only
b. detects glucose & reducing sugars
c. most sensitive test test for glucose

Answer 7

b. detects glucose & reducing sugars

Question 8

What is the reagent used in Exton’s test?

Answer 8

3% sulfosalicylic acid

Question 9

In exton test, presence of turbidity with granulation and flocculation should be reported as

Answer 9

3 +

Question 10

Renal associated glucosuria

Answer 10

Fanconi syndrome

Question 11

Positive result in Micral Test

Answer 11

pink to red

Question 12

To preserve the integrity of reagent strips, it is necessary that they are

Answer 12

Stored in a tightly capped container

Question 13

Which of the following is a source of erroeous results when reagent strips are used?
a. Timing using a clock without a second hand
b. Allowiing excess urine to remain on the reagent strip

Answer 13

both
a. Timing using a clock without a second hand
b. Allowiing excess urine to remain on the reagent strip

Question 14

After dipping the reagent strip into the urine, how long do you have to wait before reading glucose result?

Answer 14

30 seconds

Question 15

Which of the following tests uses the principle, enzyme immunoassay?

Answer 15

Micral test

Question 16

Which of the following is an acid precipitation test for protein?

Answer 16

Exton test

Question 17

The color of the reagent strip test pad if urine does not contain protein

Answer 17

Yellow

Question 18

Effect of Vitamin C on reagent strip test for protein

Answer 18

may cause false neegative result

Question 19

Effect of highly alkaline urine on reagent strip test for protein

Answer 19

may cause false positive result

Question 20

Effect of radiographic media on exton test

Answer 20

may cause false positive result

Question 21

Leaving a rgt strip in the specimen for too long will

Answer 21

cause reagent strip to leach from the pads

Question 22

All of the ff. are important to protect the integrity of reagent strips except
a. removing the desiccant from the bottle
b. Storing on an opaque bottle
c. Storing at room temperature
d. Resealing the bottle after removing a strip

Answer 22

removing the desiccant from the bottle

Question 23

Leaving excess urine on the reagent strip after removing it from the specimen will

Answer 23

cause run-over bet reagent pads

Question 24

Testing a refrigerated specimen that has not warmed to room temparature will adversely affect

Answer 24

enzmatic reactions

Question 25

All of the following will cause false-positive protein reagent strip values except:
a. highly buffered alkaline urines
b. Delay in removing the rgt strip from the urine
c. microalbuminuria
d. contamination by quaternary ammonium compounds

Answer 25

microalbuminuria

Question 26

The principle of the rgt strip test for pH is

Answer 26

double indicator system

Question 27

Urine specimen with a ph of 9.0

Answer 27

should be recollected

Question 28

The purpose of performing an albumin: creatinine ratio is to

Answer 28

Correct for hydration in random specimens

Question 29

Quality control of rgt strips is performed
a. using positive and negative controls
b. At least once every 24 hours

Answer 29

both
a. using positive and negative controls
b. At least once every 24 hours

Question 30

The principle of the protein error indicators reaction is that

Answer 30

Albumin accepts H+ ions from the indicator

Question 31

Testing for microalbuminuria is valuable for monitoring patients with
a. Hypertension
b. Diabetes mellitus

Answer 31

both
a. Hypertension
b. Diabetes mellitus

Question 32

All of the following are true for micral test except
a. It is run on first morning specimens
b. it contains an antibody enzyme conjugate
c. Two blue bands are formed on the strip
d. Unbound antibody attaches to immobilized albumin

Answer 32

c. Two blue bands are formed on the strip

Question 33

Failure to mix specimen prior to inserting the reagent strip will primarly affect the

Answer 33

Leucocyte reading

Question 34

All of the following are true for immunodip test for microalbumin except
a. blue latex particles are coated with antibody
b. Bound antibody migrates further than unbound antibody
c. it utilizes an immunochromagraphic principle
d. Unbound antibody migrates farther than bound antibody

Answer 34

d. Unbound antibody migrates farther than bound antibody

Question 35

A patient with a 2+ protein reading in the afternoon is asked to submit a first morning specimen. The second specimen has negative protein reading.

Answer 35

positive for orthostatic proteinuria

Question 36

The princple of protein low reagent pad on the Multisix Pro is the

Answer 36

binding of albumin to sulphonaphtalein

Question 37

The princple of the creatinine reagent pad on microalbumin reagent strips is the

Answer 37

Pseudoperoxidase reaction

Question 38

A patient of the reagent srip for glucose is the

Answer 38

double sequential enzyme reaction

Question 39

A positive clinitest and a negative reagent strip glucose are indicative of

Answer 39

non-glucose reducing substances

Question 40

In the laboratory, a primary consideration associated with pH is
a. Identification of urinary crystals
b. Monitoring of vegetarian
c. Determination of specimen acceptability

Answer 40

all
a. Identification of urinary crystals
b. Monitoring of vegetarian
c. Determination of specimen acceptability

Question 41

Orthostatic proteinuria

Answer 41

renal

Question 42

Prostatis

Answer 42

postrenal condition

Question 43

Acute phase reactants

Answer 43

preranal

Question 44

Glomerulonephritis

Answer 44

renal