AUBF CHEM QUIZ

Question 1

simple, rapid means, for performing medically significant chemical analysis of urine

Answer 1

reagent strip

Question 2

2 types of reagent strip

Answer 2

multistix
chemstrip

Question 3

siemens healthcare diagnostics, deerfield , IN

Answer 3

multistix

Question 4

Roche diagnostics, indianapolis, IN

Answer 4

chemstrip

Question 5

Reagent strip Techniques

Answer 5

1. Dip the reagent strip in the urine
2. Remove excess urineby touching the edge of the strip
3. Blot the reangent strip in the disposable pad
4. Wait for the specific time
5. Compare the color reaction in the manufacturer chart

Question 6

used to protect the reagent strip from light and moisture

Answer 6

opaque containers with a desicant

Question 7

strip are remove ?

Answer 7

just prior to testng, and the bottle is tightlty sealed immediately

Question 8

bottles must?

Answer 8

not just open in the prrssence of volatile fumes

Question 9

storage temperature for reagent strip

Answer 9

below 30 degrees celcius

Question 10

all bottles must ?

Answer 10

have a stamped with expiration date

Question 11

reagent strip must not?

Answer 11

be used past the expiration date

Question 12

care must be taken ?

Answer 12

not to touch the chemical pad when removing strips

Question 13

checked with?

Answer 13

positive and negative controls a minimum of once every 24 hours

Question 14

when a new bottle of reagent strip is open

Answer 14

testing is also perform

Question 15

all readings negative controls must be?

Answer 15

negative

Question 16

and all readings of positive controls should be?

Answer 16

agree with the published value

Question 17

not recommended as a negative control

Answer 17

distilled water

Question 18

interfering substance technical ? and ? is also ?

Answer 18

carelessness
color blindness
produce error

Question 19

healthy individual urine ph must varies ? according to ?

Answer 19

4.6 to 8.0 ( Henry`s)

Question 20

first morning specimen with a ? has ph of ? accorinf to

Answer 20

slightly acidic
5.0- 6 .0
Strasinger

Question 21

more alkaline ph found following meals

Answer 21

alkaline tide

Question 22

ph of normal random urine

Answer 22

4.5 - 8.0

Question 23

measurement of ph

Answer 23

must always be made on freshly voided specimen

Question 24

ph above 8.5 is associated with?

Answer 24

improperly preserve specimen

Question 25

parameter- ph principle- ? RT- ? Reagent- methyl red, bromthymol blue

Answer 25

double indicator system 60 secs

Question 26

normal excreted protein in daily urine

Answer 26

150 mg of protein

Question 27

ave. urine protein concentration

Answer 27

2-10 mg/dL depending to the volume urine

Question 28

normal urine:

Answer 28

usually less than 10 mg/dL or 100 mg per 24 hours excreted

Question 29

test is more sensitive

Answer 29

albumin

Question 30

major source of error

Answer 30

highly buffered alkaline urine

Question 31

parameter- protein principle- ? RT- ? reagents-

Answer 31

protein error of indicators 60 secs

Question 32

a cold precipitation test that is equally from all protein

Answer 32

sulfosalicylic acid

Question 33

at temperature between 40 degree celcuis and 60 degree celcuis and dissolves when trhe temperature reach ?

Answer 33

Bence Jones proteinb 100 degree celcius

Question 34

a specimen with a ? and clear ? is suspected with a ?

Answer 34

turbid between 40 degree celcius clear at 100 degre celcius bence jones protein

Question 35

a specimen with a ? and clear ? is suspected with a ?

Answer 35

turbid between 40 degree celcius clear at 100 degre celcius bence jones protein

Question 36

microalbuminuria testing

Answer 36

24 hours urine specimen method: quantitative procedures of albumin results: repory in a mg albumin/ 24 hours or as Aer ( albumin excretion in ug/ min

Question 37

microalbumin is considered significant when?

Answer 37

when a 30- 300 mg/ dL of albumin is excreted 24 hours or the AER is 20-200 ug/ min

Question 38

reagent strip in bence jones protein

Answer 38

micral immuno dip

Question 39

renal threshold, blood type at tubular reabsorption is stops

Answer 39

160-180 mg/dL

Question 40

pressence in the detectable amount of glucose in the urine

Answer 40

glycosuria

Question 41

fasting prior to the collection of specimen on the screening testing is ?

Answer 41

recommended

Question 42

For DM monitoring

Answer 42

specimens usually tested 2 hours after meal

Question 43

parameter- glucose principle- ? RT- ? Reagents- glucose oxidase, peroxidase, potassium iodide (multistix) glucose oxidase, peroxidase, tetramethybendidine

Answer 43

glucose oxidase reaction 30 secs

Question 44

ability of glucose and other substances to reduce copper sulfate to cuprous oxide in the presence of alkali anf heat

Answer 44

clinitest

Question 45

the test that does not measure ? and slightly sensitive to ? when glycine is also present

Answer 45

B- hydorxybutyrate acetone

Question 46

provides sodium nitroprusside, glycerine, disodium phosphate, and lactose in ?

Answer 46

Acetest Tablet form

Question 47

provides sodium nitroprusside, glycerine, disodium phosphate, and lactose in ?

Answer 47

Acetest Tablet form

Question 48

parameter- ketones principle-? RT-? reagents- sodium nitroprosside glycerine (chemstrip)

Answer 48

sodium nitroprosside reaction 40 secs

Question 49

hematuria, hemoglobinuria and myoglobinuria

Answer 49

blood

Question 50

2 colored charts

Answer 50

Free hemoglobin and myoglobin Intact RBC

Question 51

uniform color

Answer 51

Free hemoglobin/ myoglobin

Question 52

speckled pattern

Answer 52

Intact Rbc

Question 53

a highly pugmeneted yellow compund is a degration product of hemoglobin

Answer 53

bilirubin

Question 54

only ? bilirubin can appear in the urine when the normal degradation cycle is disrupted

Answer 54

conjucated

Question 55

with colors ranging from increasing degrees of tan or pink to violet

Answer 55

AZODYE

Question 56

confirmatory test for bilirubin

Answer 56

ICTOTEST

Question 57

parameter- bilirubin priciple- ? RT- 30 sec Reagent- 2,4 dichloroaniline (multistix) 2,6

Question 57

parameter- bilirubin priciple- ? RT- 30 sec Reagent- 2,4 dichloroaniline (multistix) 2,6 dichlorobenzenen- diazoniumsalc

Answer 57

diazo reaction

Question 58

Urobilinogen appears to the urine because?

Answer 58

as it circulate in the blood back to the liver, it passes through the kidney and is filtetered by the glomerulus

Question 59

small amount of urobilinogen ? or ehrlich unit is ?

Answer 59

less than 1 mg/ dL normlly found in the urine

Question 60

does not measure the degree of bacteriuria

Answer 60

nitrite

Question 61

detects the presence of leukocytes that have been lysed, partriculary in dilute alkaline urine, and would not appear in dilute alkaine urine, and would not appear in the microscopic examination

Answer 61

leukocyte esterase

Question 62

is excreted daily, but after ingestion of large amounts of ascorbic acid, levels in urine may rise to 200 mg/dL

Answer 62

2 to 10 mg/dL

Question 63

C-stix detects ? of ascorbic acid in urine after 10 secs

Answer 63

5 mg/dL

Question 64

STIX detects about / of ascorbic acids to 60 secs

Answer 64

25 mg/dL

Question 65

used to separate causes of a positive Ehrlich reacting test and to give an indication of large amounts of urobilinogen or the presence of porphobilinogen

Answer 65

watson- schwartz differentiation test

Question 66

detects ? of porphobilinogen

Answer 66

6 mg/liter

Question 67

a positive results for porphobilinogen in the watson- schwartz test can be further confirmed by the

Answer 67

hoesch test