Chap 8: Analytical Methods and Validity test

Question 1

Techniques use for Screening

Answer 1

• Immunoassay
• Chromatography

Question 2

It is based on antigen-antibody reactions

Answer 2

Immunoassay

Question 3

Example of Immunoassay

Answer 3

• EIA
• EMIT
  -Fluorescence polarization
• Radioimmunoassay (RIA)

Question 4

Separation of a mixture is the main outcome of this method

Answer 4

Chromatography

Question 5

Example of Chromatography

Answer 5

• TLC
• GC
• HPLC

Question 6

Initial validity test

Answer 6

• Physical appearance
• Urine SG, pH and nitrites
• Urine Creatinine
• Presence of oxidizing adulterant

Question 7

The specimen contains exogenous substance at a concentration greater than what is considered a normal physiological concentration

Answer 7

Adulterated

Question 8

Adulterated spx is confirmed when the nitrite is

Answer 8

> /= to 500 ug/L

Question 9

Adulterated spx is confirmed when the pH is

Answer 9

< 3 or = to 11

Question 10

Substituted urine has a creatinine concentration of ___

Answer 10

< 442.0 umol/L

Question 11

Substituted urine has a SG of ___

Answer 11

< 1.002 or >/= 1.020

Question 12

Diluted urin is confirmed when the creatinine concentration is ___

Answer 12

< 1768.0 umol/L

Question 13

Diluted urin is confirmed when the SG is ___

Answer 13

<1.003