Deck 3

Question 1

Anticoagulant rodenticides inhibit

Answer 1

production of prothrombin

Question 2

Specific antidote in warfarin poisoning is

Answer 2

Vitamin K or K1

Question 3

Normal percentage of methemoglobin is

Answer 3

2-5%

Question 4

Mycotoxins are

Answer 4

toxin forming due to growth of mold

Question 5

During urea intoxication the pH of rumen

Answer 5

increases

Question 6

MCPA is used as

Answer 6

herbicide and algicide

Question 7

DDT, chlordane, aldrin and heptachlor belong to

Answer 7

chlorated hydrocarbon insecticides

Question 8

Diquat and paraquat are

Answer 8

herbicides

Question 9

Define poisons (Swaga)

Answer 9

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

Question 10

Define ethiology of poisoning

Answer 10

disease of the organism with certain clinical symptoms caused by abrosbable poison after its income:
per os with food or water
per inhalation
per cutis

Question 11

What does CHTA consist of?

Answer 11

Extraction
Purification
Detection

Question 12

Prosedure in sampling fish

Answer 12

Send the whole fish
Send water from intoxicated area
Map of intoxicated area
Samples from above the possible place of intoxication

Question 13

Methods for detection of toxic substances

Answer 13

Spectrophotometry (UV, IR, visible light)
Physical method
Polarography
Chromatographic methods -TLC, GC, HPLC

Question 14

Diagnosis of intoxication consists of

Answer 14

Anamnesis - gathering all available information
Clinical symptoms
Necropsy - gross and microscopical examination of the tissues
Chemical-toxicological analysis - CHTA
Biological experiment - check suspected source of poisoning by experiment

Question 15

Zinc phosphide is used as

Answer 15

rodenticide

Question 16

Classification of rodenticides

Answer 16

Inorganic:
* Zinc phosphide
* Elemental phosphorus
* Thallium sulphate
* Oxide arsenite

Organic rodenticides:
* Coumarin rodenticides - warfarin and superwarfarin
* Fluoroacetates
* ANTU
* Alphachloralosa
* Endrin
* Bromethaline
* Cholecalciferol
* Compounds of plant origin

Question 17

Advantages of pyretroids

Answer 17

• More effective at killing insects than pyrethrins
• Used in low application concentrations
• In natural ecosystems they undergo quick degradation mainly by soil microorganisms

Question 18

ANTU is a

Answer 18

rodenticide

Question 19

3 groups of symptoms in organophosphate poisoning

Answer 19

1. Muscarinic
2. Nicotinic
3. CNS

Question 20

Nitrate stage occurs

Answer 20

3-7 hours after exposure

Question 21

Modes of penetration of insecticides (4)

Answer 21

Contact - do not penetrate to plant tissues
Systemic - penetrate by cuticle of plant cells
Peroral - by ingestion
Respiratory - kill pests through respiration

Question 22

What is the intoxication dose of H2S?

Answer 22

<1mg

Question 23

What are the stages of risk assesment (3)?

Answer 23

1. Hazard identification
2. Dose response evaluation
3. Evaluation of exposure

Question 24

What is the colour of M1 and M2

Answer 24

Violet

Question 25

What is the purpose of acute oral toxicity test?

Answer 25

To find LD50 of a substance

Question 26

Normal and toxic values of urea

Answer 26

Normal = 2-7 mmol/L
Dubious = 8-12 mmol/L
Positive > 12 mmol/L

Question 27

After NO2 reacts with haemoglobin it is reduced to

Answer 27

NO-

Question 28

Which substance results in toxic utilization of urea?

Answer 28

Glutamine/glutamate

Question 29

What are Bromudioc and Flukmafen?

Answer 29

Rodenticides

Question 30

What is NaClO3 (sodium chlorate) used as?

Answer 30

herbicide