L1 Flashcards
(49 cards)
1
Q
- A device for determining the relative humidity:
A
c) hygrometer.
2
Q
- In which layer of the atmosphere is a person’s life?
A
a) troposphere;
3
Q
- The cause of altitude sickness is:
A
c) decrease of oxygen partial pressure.
4
Q
- The concept of climate includes the following features:
A
b) air velocity, air temperature, air humidity, heat radiation;
5
Q
- Under the low atmospheric pressure conditions the follow-ing develops:
A
a) decompression sickness;
6
Q
- What way does the greatest heat elimination of the human body occur by?
A
a) radiation;
7
Q
- The device for dynamic temperature recording is called:
A
b) recording thermometer;
8
Q
- Absolute humidity is:
A
b) ratio of the maximum to the absolute humidity, expressed as a percentage
9
Q
- Temperature fluctuations in the room horizontally shall not exceed:
A
b) 3 °C;
10
Q
- The humidity indicator when the air temperature in the room 18-20 ºC is:
A
a) 30-60%;
11
Q
- What purpose is the station psychrometer August applied in hygienic practice for?
A
c) determining the humidity.
12
Q
- The atmospheric (barometric) pressure normally is:
A
c) 760 ± 20 mm Hg.
13
Q
- Vertical temperature fluctuation in the room must not
exceed:
A
b) 3 °C;
14
Q
- The dew point is:
A
b) temperature at which the absolute humidity is equal to the maximum;
15
Q
- The aneroid barograph is used to determine
A
b) atmospheric pressure;
16
Q
- What is the specific weight of oxygen in the natural com-position of air
A
b) 20.93%;
17
Q
- What is the surface layer of the atmosphere?
A
c) troposphere.
18
Q
- Development of decompression sickness is due to:
A
b) increased atmospheric pressure.
19
Q
- What is the name of the dynamic instruments for monitor-ing the air temperature?
A
c) thermographs.
20
Q
- What is the relative weight of nitrogen in the natural composition of air?
A
b) 78.1%
21
Q
- Which layer of the atmosphere is the most polluted?
A
b) troposphere;
22
Q
- The best indicator of temperature in the living space is:
A
a) 22-23 ºC;
23
Q
- The station psychrometer August is used to determine:
A
b) relative humidity;
24
Q
- What is the maximum humidity?
A
a) amount of water vapor in 1 m³ of air in grams at the time of saturation;
25
5. What instruments are used in hygiene practices for dy-namic observation of atmospheric pressure?
b) barographs;
26
6. What is the best indicator of relative humidity at the air temperature in the room below 15 °C?
c) 30-60%.
27
7. What is the saturation deficit?
a) difference between the maximum and the absolute humidi-ty;
28
8. The concept of climate includes the following features:
b) air velocity, air temperature, air humidity, radiant heat;
29
9. In what way of heat elimination does the body lose about 45% of heat?
a) radiation;
30
10. The atmospheric (barometric) pressure normally is:
c) 760 ± 20 mm Hg.
31
1. Natural air pollutants are:
а) volcanic activity, forest fires, tornadoes;
32
2. For what purposes is a “wind rose” (wind diagram) used in hygiene practice?
b) to determine the direction of wind;
33
4. Characteristic signs of acute effects of atmospheric pollu-tion is:
a) high level of medical aid appealability, excessive mortality;
34
5. What is the source of freons?
a) motor transport;
35
6. Acid rains may include:
a) nitric, sulfuric acid;
36
7. Optimal concentration of carbon dioxide in indoor air is:
c) 0.07%.
37
8. Chronic specific diseases caused by various air pollutants include:
b) Itai-Itai disease, Minamata disease;
38
9. Photoxidants are a complex of:
b) hydrocarbons and nitric oxide;
39
10. The universal indicator of indoor air purity is:
b) carbonic acid;
40
1. Krotov’s device is used to determine:
a) bacterial air pollution;
41
2. Optimal concentration of carbon dioxide in indoor air is:
c) 0.07%.
42
3. Natural chemical composition of air is:
a) 20.93% oxygen, 78.1% nitrogen, 0.03-0.04% carbon dioxide, from 10³ to 106 inert gases;
43
4. The formation of Los Angeles type smog (photochemical mist) is due to:
b) clear, windless weather
44
5. London-type smog is observed at:
a) cloudy, foggy weather;
45
6. Optimum speed of air movement in the room is:
b) 0.2-0.4 m/s;
46
7. Chronic nonspecific diseases caused by various air pollu-tants include:
a) chronic bronchitis;
47
8. Solid pollutants include
b) ash, soot;
48
9. The artificial sources of air pollution include:
b) motor transport;
49
10. Liquid pollutants can lead to:
a) the formation of acid rain;
