V. Combined

C. Isolated

D. linked

E. Synergic

13. An increased general morbidity of population stands out in the district of the location of an industrial enterprise, where the atmospheric air is intensively polluted by sulphuric gas. What kind of effect does it cause upon the human organism in the situation?

A * Chronic nonspecific

B Critical specific

C Critical nonspecific

D Chronic specific

E Combined

14.A part of the atmosphere, lithosphere and hydrosphere of the Earth, where living organisms’ activity exist or existed is called:

* A. Biosphere;

B. Noosphere;

C. Biostrome;

D. Environment;

E. External environment.

15.A part of the environment that determines social, financial and spiritual conditions of person’s forming , existence and activity received the name :

* A. Social environment;

B. Unmodified natural environment;

C. Changed environment;

D. The artificial environment;

E. Environment.

Topic 2.

Hygienic assessment of the potential risk of exposure to the factors of

environment for population’s health

1. An increased morbidityhas been noticed on the area of the deployment of industrial enterprises, where the air is polluted by sulphuric gas. What kind of effect does it cause on the human body?

A * Chronic nonspecific

B Acute specific

C Acute nonspecific

D Chronic specific

E Combined

2. Toxicological laboratory has received new synthesized compounds of DFC-4. During toxicological research and assessment of certain indicators according to GOST 12.1.007-76 ” Harmful substances, classification and general dictates” we received such results:CL50-650 ml/m3(2),DL250 mg/kg (3)KMIO – 2(4), zone of acute effect – 5,0 (1)OBRD – 2,0 MG/M3(3).What index is limiting during determination of danger?

* A. Area of acute effect

V. DL 1950

S. GL 1950

D. KMIO

E. OBRD

3. The content of dust in the air of working zone during drilling of granite wells surpass the MPC in 6-10 times. Driller N.(length of service 10 years) complains of shortness of breath pain and cough. Roentgenologycaly – amplification of diffusive process in lungs. What kind of effect does the dust have?

* A. Fibrinogenic

V. Allergic

S. Irritable

D. Acute

E. Carcinogenic

4. The highest amount of harmful substances which do not provoke morbid and unfavourable heritable changes during daily influence of unlimited period of time is called

A * MAC

B CL50

C Limsp

D Area of acute Zac

E Zone of chronic effect of Zch

5. Toxicological laboratories has received synthetic compound, which was planned for usage in agriculture as a pesticide. OBRV (temporary MAC) was determined at the stage of preliminary toxicological evaluation. What toxicometric indicator should be determined during the final experimental validation of MCL substance in air?

A * Threshold of chronic effect

B threshold of acute effect

C middlefatal dose

D middlefatal concentration

E Chronic dose effect

6. Epidemiological method is the leading method of hygienic research. The main method of its realisation is:

A * Hygiene and statistical research

B Sanitary examination

C Sanitary inspection

D Sanitary surveillance

E Hygienic laboratory experiment

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7. Industrial company pollutes the air of settlement station by sulphur dioxide. What effect do we have to expect from polluted air on the state of human health?

* A Reflex

B resorptive

S carcinogenic

D hepatotoxic

E nephrotoxic

8. Workers of the pharmaceutical factory , where they were packing hormone medicines ,complained of headache, tearing, sore throat, itching skin, readness of face, neck and forearms, nausea, general discomfort. What kind of reaction can cause such complaints?

* A. Allergic

B. Specific

C. Toxic

D. Irritation

E. carcinogenic

9. Harmful substances get into the air of automobile repair zone , which are characterized by unidirectional effect of: carbon monoxide concentration 10 mg/m3 (MPC - 20 mg/m3) and nitrogen dioxide in concentrations of 1.0 mg/m3 (MAC - 2 mg / m3 ). Please, estimate level of air pollution with possible affect of combination.

A Surpasses in 1.4 times

B Does not surpass

C Surpasses in 2,2 times

D Surpasses in 1.2 times

E Surpasses in 2.5 times

10. Toxicological laboratories has received synthetic compound, which was planned for usage in agriculture as a pesticide. What toxicometric indicator should be determined during the final experimental validation of MCL substance in air?

A * Threshold of chronic effect

B threshold of acute effect

C middlefatal dose

D middlefatal concentration

E Chronic dose effect