Community medicine 2020. 6-semester

Occupational Hygiene
1. The most annoying sounds for our hearing are:

1. 
   low-frequency
   
2. 
   high-frequency
   
3. 
   mid-frequency
   
4. 
   low and mid-frequency sounds
   

2. What diagnosis would you give, if the clinical picture shows the following: pain in the hands, increased sensitivity to cold, muscle weakness, whitening of the fingers, decreased sensitivity, changes in motoric and secretory function of the stomach, violation of the ovarian-menstrual cycle in women?

1. 
   Noise induced hearing loss
   
2. 
   Silicosis
   
3. 
   Vibration disease
   
4. 
   Lead poisoning
   

3. Specify the size of the dust particles penetrating into the lung tissue?

1. 
   over 20 μm
   
2. 
   over 10 μm
   
3. 
   over 5 μm
   
4. 
   Less than 5 μm
   

4. What kind of dust causes Silicosis?

1. 
   Asbestos-containing
   
2. 
   Carboniferous
   
3. 
   Iron-bearing
   
4. 
   Containingfreesilicondioxide
   

5. A chemical that cause pulmonary edema at high concentrations:

1. 
   Hydrogen sulphide
   
2. 
   Oxides of nitrogen
   
3. 
   Photooxydants
   
4. 
   Carbon dioxide
   

6. Whatisworkability?

1. 
   It is a work performed per unit of time
   
2. 
   It is the ability of a person to do some work for a certain time
   
3. 
   It is the ability of a person to perform a certain work for a long time and productively
   
4. 
   Itispsychophysiologicalstability
   

7. Factors affecting the level of workability:

1. 
   thepresenceoffunctionalmusic
   
2. 
   theairconditioning
   
3. 
   factors of the work environment
   
4. 
   degree of air pollution by saprophytic flora
   

8. Factor of the labor process affecting the performance:

1. 
   socialfactors
   
2. 
   degree of air pollution by saprophytic flora
   
3. 
   airconditioning
   
4. 
   monotonous work, work on the conveyor production
   

9. Select a method used for assessment of workability among the following:

1. 
   echocardiography
   
2. 
   definition of stability of attention
   
3. 
   electromyography
   
4. 
   ultrasoundexamination
   

10. Select a method used for investigation of the central nervous system and higher nervous activity in assessing workability among the following:

1. 
   definition of the latent period of visual-motoric, auditory-motoric reactions and the temperature response
   
2. 
   investigationofthemotoranalyzer
   
3. 
   electrocardiography
   
4. 
   ultrasoundexamination
   

11. To assess the performance of persons engaged primarily in manual labor, you can use the one of the following techniques:

1. 
   electrocardiography
   
2. 
   ultrasoundexamination
   
3. 
   determination of the duration of the latent period of the conditioned visual-motor reaction
   
4. 
   age-relatedperiodization
   

12. An active rest is when you:

1. 
   changeoftypeofrest
   
2. 
   changeofactivity
   
3. 
   accelerate of the recovery time of the functional capacity of the cerebral cortex
   
4. 
   visit the office of psychoemotional discharge
   

13. Fatigue in monotonous physical work that lead to forced discontinuation of work is caused by:

1. 
   functional depletion of the centers of the cortex of the brain
   
2. 
   accumulation of lactic acid and other under-oxidized metabolic products in muscle tissue
   
3. 
   the violation of the synaptic transmission of nervous excitation
   
4. 
   the discoordination of afferent-efferent connections at the level of the spinal cord
   

14. Subjective factor of the production process affecting the performance is:

1. 
   natureofwork
   
2. 
   organizationofworkplace
   
3. 
   psychophysiological conformity of the chosen profession
   
4. 
   microclimate
   

15. What does systematically accumulating fatigue lead to?

1. 
   toimprovingefficiency
   
2. 
   to a decrease in memory and attention
   
3. 
   to the accumulation of lactic acid in muscles
   
4. 
   to the violation of the synaptic transmission of nervous excitation
   

16. What is meant by overfatigue?

1. 
   overalldeclineinperformance
   
2. 
   persistentdeclineinefficiency
   
3. 
   a declineinlaborproductivity
   
4. 
   a temporary decline in efficiency
   

17. One of the main component of prevention of fatigue is:

1. 
   medicalexamination
   
2. 
   applicationoffuntionalmusic
   
3. 
   psychophysiological conformity of the chosen profession
   
4. 
   rationalnutrition
   

18. What vibration causes a vibrational disease?

1. 
   workplacevibration
   
2. 
   constantvibration
   
3. 
   dashedvibration
   
4. 
   short-termlocalvibration
   

19. What effect has workplace vibration on a body?

1. 
   causes dizziness and general weakness
   
2. 
   generallyhasnoeffect
   
3. 
   dysfunctionofthegastrointestinaltract
   
4. 
   developmentofanginapectoris
   

20. What effect has high-frequency local vibration on the body?

1. 
   dysfunctionofthegastrointestinaltract
   
2. 
   generallyhasnoeffect
   
3. 
   disorders in the musculoskeletal system
   
4. 
   thedevelopmentofanginapectoris
   

21. Forms of vibration disease in severe stages:

1. 
   white and blue vibration disease forms
   
2. 
   cerebro-vascular and amyotrophic vibration disease forms
   
3. 
   colorectal and gastrointestinal vibration disease forms
   
4. 
   anginapectoris
   

22. What measure should be taken to prevent the effect of vibration on the body?

1. 
   conductingregularaudiometry
   
2. 
   the use of technical means against vibration
   
3. 
   rationingpersonaldiet
   
4. 
   the use of earplugs and ear muffs
   

23. What effect has noise on the body?

1. 
   the development of hearing loss
   
2. 
   decreaseinthetactilesensitivity
   
3. 
   theeffectonurinaryorgans
   
4. 
   thedevelopmentofmyopia
   

24. Spectral composition of industrial noise:

1. 
   infrasound
   
2. 
   ultrasound
   
3. 
   highfrequencysound
   
4. 
   tonalandbroadband
   

25. What is the threshold of audibility?

1. 
   the minimum intensity of sound that the hearing organ is able to perceive
   
2. 
   the maximum intensity of sound that the auditory organ is able to perceive
   
3. 
   the intensity of sound retained by the auditory analyzer
   
4. 
   the intensity of sound that forms the pathological process in the auditory analyzer
   

26. What measure should be taken to prevent the effects of noise on the body?

1. 
   theuseofprotectivecloths
   
2. 
   listeningfunctionalmusic
   
3. 
   the use of personal protective means (ear muffs and earplugs)
   
4. 
   rationaldiet
   

27. What percentage of the visible rays of the solar spectrum reaches the Earth?

1. 
   60%
   
2. 
   40%
   
3. 
   30%
   
4. 
   20%
   

28. The positive effect of ultraviolet radiation on the body is manifested by:

1. 
   improvementofreproductivefunction
   
2. 
   accelerationofsalivation
   
3. 
   increased phagocytic activity of leukocytes
   
4. 
   improvementinvisualacuity
   

29. The level of natural light in the room can be determined using:

1. 
   thelightangle
   
2. 
   thelightbrightness
   
3. 
   the coefficient of natural illumination
   
4. 
   thespectrumcoefficient
   

30. Artificial light fixtures are considered optimal if they give:

1. 
   straightlight
   
2. 
   scatteredlight
   
3. 
   reflectedlight
   
4. 
   mixedlight