Topic 4.

Hygienic significance of solar radiation and the use of its components

for prevention of human diseases and rehabilitation of air, water and toiletries

1. Doctor who works in the factory decided to conduct preventive course during the period of influenza between workers aged 23-48 years with different diagnoses. To whom this course is contraindicated?

* A. All of the states

B. Pyelonephritis

C. Body temperature 37, 2 ˚ C

D. Melanoma

2.The amount of biodoze of ultraviolet radiation was measured in minutes.What devise will measure the biodoze?

A*.Devise of Horbachov

B. Ultravioletmeter

C.Actinometer

D. Radiometer

E. Catatermometer

3. Determine the value of the optimal dose of ultraviolet radiation for children when biodoza (erythema dose) is three minutes:

* A 1,5 minutes

B. 2,5 minutes

C. 1 minute

D. . 7 minutes

E. 15 minutes

4. Select the optimum mode of ultraviolet radiation (UVR) to prevent complications in the 18 years old students after acute bronchitis.

* A. ½ - 1 ED

B. 1 - 2 ED

C. <1 / 10 ED

D. 1 / 10 - ⅛ ED

E. ⅛ - ¼ ED

5. To ensure the health of the ultraviolet radiation doctor had to determine preventive dose. Biodozymetr was established in the lower third of kid’s stomach , who took sunbath. Skin was exposed to the sunlight for 1 min. in the first box, in the second -2 min. in the third - 3 min. In the fourth -4 min., in the fifth - 5 min., in the sixth - 6 minutes. Nurse noticed three red stripes on the skin in the area of the lower third of the abdomen after 8 hours after irradiation. What is the preventive dose?

* A. 30 seconds

B. 60 seconds

S. 2,5 minutes

D. 5 minutes

E. 10 minutes

6. We use a source of ultraviolet radiation for air disinfection. 5 modes were tested to install required mode. To evaluation of the effectiveness of rehabilitation was carried out by Krotov apparatus and calculated efficiency in%. Specify mode with optimal radiation dose.

* A ≥ 80%

B. . ≥ 90%

C. ≥ 70%

D. ≥ 60%

E. ≥ 50%

7. Barely noticeable redness (erythema) appeared on the skin of forearm in child after 18 hours of local irradiation. The irradiation was carried out for 6 min. Specify preventive dose of radiation in this case.

* A. 45 s.

B. 60 s

C. 1.5 min

D. 2 min

E. 3 min

8.Doctor has to determine strength of ultraviolet radiation by biological method. Biodozymetr was established in the lower third of kid’s stomach , who took sunbath. Skin was exposed to the sunlight for 1 min. in the first box -2 min. in the second- 3 min. In the third -4 min., in the fourth - 5 min., in the fifth - 6 minutes. Nurse noticed three red stripes on the skin in the area of the lower third of the abdomen after 8 hours after irradiation. Specify biological dose of ultraviolet.

* A. 6 minutes

B. 30 seconds

C. From the minute

D. 5 minutes

E. 10 minutes

9. Ultraviolet cubicles and equipment for health facilities that are used for skin exposure for people to prevent the symptoms of "sunlight starvation" were received by the sanitary-epidemiological expertise to the territorial SES. What percentage of UV C range is allowed in the spectral characteristics of lamps.

A * to 5%.

B to 10%.

C to 15%.

D to 20%.

E to 25%.

10. Infrared heaters for rooms were received by the sanitary-epidemiological expertise of the territorial SES . In assessing the spectral composition of light waves, the presence of ultraviolet spectrum was established during the assessment. What percentage of UV C range is allowed in the spectral lamps.

A * to 5%.

B to 10%.

C to 15%.

D to 20%.

E to 25%.

11. Specify biochemical and humoral changes in the body associated with excessive ultraviolet radiation:

* A. Reduced complement and lysozyme content in serum

B. The increase of vitamin PP in serum

C. The increase of vitamin B2 in blood serum

D. Increase Vitamin C Serum

E. Increasing of the content of complement and lysozyme in blood serum

12. Specify sources of ultraviolet radiation, used for disinfection of indoor air:

* A. Bactericidal uvioleva lamp

B. Erythema uvioleva lamp

C. Luminescent lamp

D. Discharge lamp

E. Incandescent lamp

13. What is the minimum required coefficient of sanitation in operating room:

* A. 5

B. 3

C. 4

D. 2

E. 6

14. Name one of the basic hygiene measures to prevent failure because of ultraviolet radiation:

* A. South orientation of windows

B.Diet

C.Chemotherapy

D. Psychological prevention

E. Seroprevention

15. Specify optimal level of sanitationin hospital room by bactericidal lamp BUV- 17.,

*A. % ≥80%

B. ≥30%

C. ≥50%

D. ≥20

E. ≥90%

16. Specify the main pathological state of organism during ultraviolet insufficiency.

A. Reduced resistancy

B. Visual disorder

C. Gastro-intestinal disorder

D.Obesity

E. maciation

17 Housewife is 58 years old. Live in Odessa., suffers from chronic ischemic heart disease over the past 10 years. Once heard about the need of preventive " sun starvation". Please, recommend herthe best option of such prevention.

* A. To go out in the open air 4 hours a day (unhurried walk)

B. To buy kursovku to fotariyu

C. Wait till beach season in Odessa will begine

D. To travel to relatives in Italy

E. Do not change the normal way of life

18. Person has lost consciousness during being under the influence of intense solar radiation for 11 to 14 hours. What could cause such direct reaction of the body?

* A. Sunstroke

B. Burned skin

C. Photodermatosed skin

D. Erythema action of solar radiation

E. Photochemical effect of solar radiation

19. Athlete complained about feeling of "sand" in the eyes, inability to look at bright light after climbing on top of the mountain with snow. Objectively, there is hyperemia and edema of the congunctive of the eye. Make the diagnosis of disease and indicate which factor has caused the disease.

* A. Fotooftalmiya. Ultraviolet radiation

B. Fototoksykoz. White snow.

C. Cataract. Infrared radiation

D.. Fotoalerhiya. Ultraviolet radiation

E. Konyunktyvit. Bright sunlight.

20. Calculate the prophylactic dose of ultraviolet radiation (UVR) of 5-year-old boy, if biological (erythmic) dose, which is defined by biodozymeter of Gorbachev is 5 minutes.

* A. 30 sec

B. 1 min

C. 3 min

D. 5 min

E. 6 min

21. Calculate the prophylactic dose of ultraviolet radiation (UVR), 3-year-old girl, if biological (erythemic) dose, which is defined by biodozymetra of Gorbachev is 10 minutes.

* A. 1 min

B. 30 sec

C. 3 min

D. 5 min

E.6 min

22: Calculate the prophylactic dose of ultraviolet radiation for adults if biological (erytemic) doze is 4 minutes

* A. 30 sec

B. 18 sec

C. 1 min

D. 10 min

E. 5 min

23. Athlete of the group climbers who recently have returned after climbing on the top of the mountain complaining of feeling of"sand" in the eyes, inability to look at bright light. Objectively, there is hyperemia and edema of the conjunctiva of eyes. Athlete lost sunglasses at the beginning of the journey. Make the diagnosis of disease and indicate which factor caused the disease.

* A. Fotooftalmiya. Ultraviolet radiation

B. Fototoksykosis. White snow

C. Fotoalergy. Ultraviolet radiation

D. Cataract. Infrared radiation

E. Konjunktivitis. Sunshine

In the library which is situated on the first floor of the fivestored building CPO=0.75%.Temperature of the air inside the room during summer is 22C0, relative humidity 60%.Pupils that spend every day there complain for weakness, headache. What factor could cause such complains?

A* Insufficient lightening

B. lack of oxygen

C. Increased humidity

D. Lack of movements

E. Increased temperature of the body

24. In the reading room of the library which is located on the first floor of the five- storey home, PAC = 0,75%. The temperature in the room during the summer is 22Co, relative humidity 60%. Students who work in the library every day complain of increased fatigue, headache. Describe environmental factors that may cause such complaints from schoolchildren.

A * Insufficient illumination workplace

B Hypoxia

C high humidity

D hypo dynamic

E Elevated Temperature

25. Nurse noticed two red stripes on the skin of the baby after 8 hours of sun exposure with exposition from 2-7 min. Identify biological (erythema) dose of UVR.

* A. 6 min

B. 10 min

C. 5 min

D. 30 sec

E. 3 min

26. Nurse noticed three red stripes on the skin of the baby after 8 hours of sun exposure with exposition from 1-6 min.. Identify preventive dose of UVR.

* A. 30 sec

B. 10 min

C. 60 s

D. 2.5 min

E. 5 min