VARIANT 2.

VARIANT 2.

TEST 1. What industrial poisons can penetrate into worker’s organism per skin?

А. Water-soluble В. Liposoluble С. Compositions of heavy metals

TEST 2. On what parameters do they estimate acute toxicity of industrial poisons?

А. Cumulation coefficient В. Average lethal dozes & concentrations

С. Expressiveness of acute intoxication in experiment

TEST 3. Threshold of chronic action of industrial poisons is:

А. Doze causing death of experimental animals В. Doze causing expressed intoxication in experimental animals

С. Doze causing reliable changes of investigated parameters

TEST 4. What is physical cumulation?

А. Accumulation of poison in organism В. Accumulation of toxic effects of poison

С. Accumulation of poison and its effects

TEST 5. What professional poisonings more often develop in work with phosphor-organic pesticides:

А. Acute В. Chronic

TEST 6. On what distance from inhabited buildings is it necessary to place warehouses of pesticides:

А. 1-3 km B. 3-5 km C. 0,2-1 km D. 5 km Е. 10 km

TEST 7. What kinds of combined action do you know?

А. Amplification, weakening, absence of effect В. Antagonism, summation, potentiation

C. Direct, indirect, remote

TEST 8. How is industrial medium estimated in potentiation in the combined action of industrial poisons:

А. On isolated MPC В. Under the formula of summative toxicity С. Under the formula summation with accounting of certain coefficients

TEST 9. What is mechanism of poisonings with heavy metals:

А. Formation of methemoglobin B. Blockade of sulfur-containing enzymes С. Blockade of cholinesterase

TEST 10. What changes are observed in blood in leaden intoxication:

А. Аnemia, leukopenia, methemoglobinemia В. Retuculocytosis, basophyllic granularity of RBC

С. Erythrocytosis, leukocytosis, thrombocytopenia