Deck 4

Question 1

Dinitrophenols act by

Answer 1

Blocking oxidative phosphorylation

Question 2

Methemoglobinemia agents

Answer 2

Directly-acting agents
Indirectly-acting agents
Nitrites
Chlorates
Carbamates
Oxides of nitrogen
Aromatic nitro and amino compounds

Question 3

Herbicide sodium chlorate causes

Answer 3

production of methemoglobin

Question 4

Amygdalin is

Answer 4

poisonous cyanogenic glycoside - found in many plants (apricot, peach and plum seeds)

Question 5

ANTU acts

Answer 5

Increase permeability of lung capillaries –> pulmonary edema and accumulation of serous transduate in the lung alveoli

Question 6

Normal concentration of methemoglobin is

Answer 6

3 +/- 2%

Question 7

Mycotoxins can be divided into 4 groups according to their effect on organism

Answer 7

1. Hepatotoxic effect
2. Provoking haemorrhagic syndrome
3. Provoking photodynamic effect
4. Other effects

Question 8

DDT, chlordane, dieldrin, aldrin, heptachlor and lindane belong to

Answer 8

Chlorinated hydrocarbon insecticides

Question 9

Can samples for CHTA be preserved with chemicals?

Answer 9

NO!

Question 10

Pb is qualitatively determined with

Answer 10

H2SO4 (sulfuric acid)

Question 11

Brucine is used as a detection solution for qualitative determination of

Answer 11

NO3 (nitrate)

Question 12

OCB is determined by

Answer 12

gas chromatography

Question 13

NaCl is determined

Answer 13

by water extract

Question 14

How is toxic substances determined after adjustment

Answer 14

Water extract
Extraction with organic solvent
Steam distillation
Mineralisation

Question 15

Zn3P2 is determined

Answer 15

without adjustment

Question 16

Reinisch test is used for determining

Answer 16

mercury

Question 17

What system detoxicate MtHb to Hb in organism?

Answer 17

MtHb reduction system by MtHb reductase

Question 18

Therapy of methemoglobinemia poisoning

Answer 18

Methylene blue

Question 19

Use of metaldehyde

Answer 19

Muloscide

Question 20

Poisoning of selenium leads to

Answer 20

loss of hair, hobbling

Question 21

What does CS2 (carbon disulfide) affect?

Answer 21

Nervous system, cause vomitus, spasms and exitus

Question 22

Mode of action of alkaloids

Answer 22

Sedative and irritant

Question 23

Characterize chronic copper intoxication

Answer 23

Haemolytic crisis:
paleness and jaundice, urine is dark brown

Question 24

What are clover pyretrines made from?

Answer 24

Chrysantheum cineraria folium

Question 25

Metoxicity and chlorine are

Answer 25

Non-accumulating

Question 26

What materials contain Cl-?

Answer 26

Thanit letham

Question 27

What is the end result of acid carbon?

Answer 27

Increased weight with lipid

Question 28

Persistence of some substances simazin

Answer 28

3 years

Question 29

What does H2S (hydrogen sulfide) rise in?

Answer 29

Putrification of protein

Question 30

How is triazin accumulating?

Answer 30

highly accumulating