Reagent Strips

Question 1

Reading time of Glucose and Bilirubin:

Answer 1

30s

Question 2

Reading time of Ketones:

Answer 2

40s

Question 3

Reading time of SG:

Answer 3

45s

Question 4

Reagent strip with 60s reading time:

Answer 4

PPBUN

Protein, pH, Blood, Urobilinogen, Nitrite

Question 5

Longest reading time for reagent strips:

Answer 5

Leukocytes (120s)

Question 6

Principle of Glucose:

Answer 6

Double sequential enzyme (brown)

Question 7

Principle of Bilirubin:

Answer 7

Diazo reaction (violet)

Question 8

Principle of Ketones:

Answer 8

Sodium nitroprusside (Legal’s; Purple)

Question 9

Principle of SG:

Answer 9

pKa change of polyelectrolyte

Question 10

Principle of Protein:

Answer 10

Protein error of indicators (Sorensen’s) (Blue)

Question 11

Principle of pH:

Answer 11

Double indicator system (acidic: orange; alkaline: blue)

Question 12

Principle of Blood:

Answer 12

Pseudoperoxidase activity of Hgb (Uniform green/blue: Hgb/Mgb; speckled/spotted: intact RBCs

Question 13

Principle of Urobilinigen:

Answer 13

Ehrlich reaction (red)

Question 14

Principle of Nitrite:

Answer 14

Griess reaction (uniform pink)

Question 15

Principle of Leukocytes:

Answer 15

Leukocyte esterase (purple)

Question 16

Reagents of strip for SG:

Answer 16

— bromthymol blue

Question 17

Reagents of strip for pH:

Answer 17

Methyl red + bromthymol blue

Question 18

Reagents of strip for protein:

Answer 18

Tetrabrom—

Question 19

Reagents of strip for Glucose:

Answer 19

GO, PO + KI2

Question 20

Reagents of strip for Ketones:

Answer 20

Na nitroprusside + Glycine

Question 21

Reagents of strip for Blood:

Answer 21

— tetramethylbenzidine

Question 22

Reagents of strip for Bilirubin:

Answer 22

— dichloro —

Question 23

Reagents of strip for Urobilinogen:

Answer 23

PDAB

Question 24

Reagents of strip for Nitrite:

Answer 24

— quinoline

Question 25

Reagents of strip for Leukocytes:

Answer 25

Indoxylcarbonic ACID ESTER