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Question 1

Definition of Poison used by Svaga?

Answer 1

Poison is every chemical substance quantitatively or qualitatively different from the organism and it is harmful from the chemical or phsical aspect

Question 2

The disadvantages of Chlorinted Insecticide (DDT..)?

Question 3

What kind of chromatography methods do you know?

Answer 3

• Thinlayer Chromatography (TLC)
• Gas Chromatography (GC)
• High Pressure Chromatography (HPLC)

Question 4

Procedure in sampling fish?

Answer 4

• Send whole fish
• Send water from intoxicated area
• Add map of intoxicated area
• Send samples from places above and below the possible source of intoxication

Question 5

Determination method post adjustment?
How might toxic substances be determined after its adjustment?

Answer 5

• Water or Organic solvent extraction
• Steam distillation
• Mineralization (wet or dry)

Question 6

What is typical for Mercury?

Answer 6

• They Kill erythrocytes
• Black gingiva

Question 7

Arsenic is described as?

Answer 7

• Long term poison
• Destroy cell membrane
• Therapy: Natrium sulphate and Dimecrapron (BAL)

Question 8

When do we use urea in food?

Answer 8

• For Ru to synthesise proteins
• Start with small amount and then gradually increase, so Ru can become accustom to the dose
• Include forage with enough energy so pH of rumen is low, low pH decreases the action of urease
• Urea -> Urease -> NH₃ (toxic) +CO₂
• NH₃ is alkaline gas - therapy to acidify the rumen -> Acetic acid or HCl

Question 9

Calculation of Urea concentration in blood and milk?

Answer 9

Urea (mmol/l) = (A1/A2) x 16,65
A1=Absorbance of sample
A2 =Absorbance of standard

Question 10

Colour of blood with:
* MtHb
* MtHbCN
* HbCO
* HbSH

Answer 10

• MtHb = Dark chocolate brown colour
• MtHbCN = Bright red
• HbCO = Bright red
• HbSH = Grey or Black