Total Bilirubin

Question 1

Components and reagents of R1:

Answer 1

Phosphate buffer - 50 mmol/L
NaCl - 150 mmol/L

Question 2

Components and Reagents of R2:

Answer 2

2,4-Dichloroaniline - 5 mmol/L
HCl - 130 mmol/L

Question 3

Reagent 1 warning:

Answer 3

H290 - may be corrosive to metals
H315 - causes skin irritation
H319 - causes serious eye irritation

Question 4

Reagent 2 warning:

Answer 4

P264 - wash hands and face thoroughly after handling
P280 - wear protective gloves/protective clothing/eye protection
P390 - absorb spillage to prevent material damage

Question 5

Limit of detection

Answer 5

0.03 mg/dL

Question 6

Interfering substances:

Answer 6

Ascorbic acid - 30 mg/dL
Hemoglobin - 500 mg/dL
Lipemia - 1000 mg/dL

Question 7

Method comparison (n=100)

Test x

Answer 7

Competitor Bilirubin Auto Total

Question 8

Method comparison (n=100)

Test y

Answer 8

DiaSys Bilirubin Auto Total

Question 9

Method comparison (n=100)

Slope

Answer 9

1.04

Question 10

Method comparison (n=100)

Intercept

Answer 10

0.045 mg/dL

Question 11

Method comparison (n=100)

Coefficient of correlation

Answer 11

0.9998

Question 12

Reference range:

Children >1 month

Answer 12

0.2-1.0 mg/dL
3.4 - 17 mmol/L

Question 13

Reference range:

Adults

Answer 13

0.1-1.2 mg/dL
1.7-21 mg/dL