Which of the following will need the highest level of illumination?
A. Dressing room
B. Bed rooms
C. Hospital wards
D. Railway platforms.
E. All of the above
ANSWER: A
Which of the following will need the highest level of illumination?
A. Classroom
B. Bed rooms
C. Hospital wards
D. Railway platforms.
E. All of the above
ANSWER: A
Electromagnetic radiation with wavelengths between 0.4 and 0.7 micrometers is called:
A. ultraviolet light
B. visible light
C. infrared light
D. microwaves
E. X-rays
ANSWER: B
Electromagnetic radiation with wavelengths longer than 0.7 micrometers is called:
A. ultraviolet light
B. visible light
C. infrared light
D. microwaves
E. X-rays
ANSWER: C
Electromagnetic radiation with wavelengths low than 0.4 micrometers is called:
A. ultraviolet light
B. visible light
C. infrared light
D. microwaves
E. X-rays
ANSWER: A
Which of the following types of electromagnetic radiation has the lowest energy?
A. x-rays
B. visible light
C. ultraviolet
D. gamma-rays
E. infrared radiation
ANSWER: E
Solar radiation reaches the earth's surface as:
A. visible radiation only
B. ultraviolet radiation only
C. infrared radiation only
D. visible and infrared radiation only
E. ultraviolet, visible, and infrared radiation
ANSWER: E
During inspection of sanitary conditions of studying at a technical university it was necessary to
evaluate the visual regimen of students, who study from 9 A.m to 3 p.m. What index of natural light
will be the most informative?
A.
Time of the room insolation
B.
Presence of mixed (superolateral) light
C.
Natural light coefficient
D.
Depth of study room
E.
Light coefficient
ANSWER: C
We are all exposed to ionizing radiation from natural sources at all times. This radiation is called
natural background radiation, and its main sources are the following except
A. radioactive substances in the earth's crust;
B. emanation of radioactive gas from the earth;
C. doses from a diagnostic x-ray
D. trace amounts of radioactivity in the body;
E. cosmic rays from outer space which bombard the earth.
ANSWER: C
The property possessed by some elements of spontaneously emitting energy in the form of particles
or waves by disintegration of their atomic nuclei is named
A. Radioactivity
B. Ionization
C. Radiation
D. Effects of radiation
E. Exposure dose
ANSWER: A
The process by which atoms or molecules lose electrons and become positively charged particles.
A. Radioactivity
B. Ionization
C. Radiation
D. Effects of radiation
E. Exposure dose
ANSWER: B
Energy transmitted in the form of electromagnetic waves or subatomic particles.
A. Effects of radiation
B. Radioactivity
C. Ionization
D. Radiation
E. Exposure dose
ANSWER: D
Direct action of radiation is the dominant process for:
A. X-rays.
B. Neutrons and alpha particles.
C. Electrons.
D. Gamma rays.
E. Beta particles
ANSWER: B
A free radical is:
A. Any charged particle.
B. An atom, ion or molecule with an unpaired electron in the outer shell. *
C. An atom with an even number of electrons.
D. A chemically stable atom.
E. Any stable particle.
ANSWER: B
The probability of stochastic radiation effects depends:
A. on the absorbed dose
B. only on the energy of the radiation.
C. only on the particle type of the radiation.
D. both on the energy and the particle type of the radiation.
E. All are correct
ANSWER: E
In the case of non-uniform irradiation of the body, the risk for stochastic effects is described by:
A. the equivalent dose.
B. the effective dose.
C. the total absorbed dose.
D. Quality factor
E. Age
ANSWER: A
The susceptibility of a tissue or organ to radiation is accounted for in:
A. the equivalent dose.
B. the absorbed dose.
C. the effective dose.
D. Activity
E. Quality Factor.
ANSWER: C
Exposure is measured in
A. Coulombs per kg
B. Coulombs per mg
C. Sieverts per cGy
D. Coulombs per mGy
E. becquerel
ANSWER: A
Absorbed dose is measured in
A. Sieverts
B. Man sieverts
C. Coulombs
D. Grays
E. becquerel
ANSWER: D
Dose equivalent is measured in
A. Sieverts
B. Man sieverts
C. Coulombs
D. Grays
E. becquerel
ANSWER: A
Which unit allows the damage capability of a quantity of radiation to be expressed?
A. Sieverts
B. Man sieverts
C. Coulombs
D. Grays
E. becquerel
ANSWER: A
One Gray of X-rays gives a dose equivalent of
A. 5 Sv
B. 10 Sv
C. 1 Sv
D. 0,1 Sv
E. 20 Sv
ANSWER: C
Radioactivity may be defined as:
A. A process whereby some nuclides undergo spontaneous changes in the structure of electrons
B. A process whereby some nuclides undergo spontaneous changes in the structure of neutrons
C. A process whereby some nuclides undergo spontaneous changes in the structure of protons
D. A process whereby some nuclides undergo spontaneous changes in the structure of nuclei
E. None of above
ANSWER: D
The monitoring and measuring of a person’s exposure to radiation is called:
A. Densitometry
B. Dosimetry
C. Sensitometry
D. Thermometry
E. Ph-metry
ANSWER: B
Which type of cell is most sensitive to irradiation?
A. Red blood cells
B. White blood cells
C. bone cells
D. Muscle cells
E. nerve cells
ANSWER: B
Which type of cell is least sensitive to irradiation?
A. Mature lymphocytes,
B. erythroblasts,
C. spermatogonia
D. myelocytes
E. nerve cells
ANSWER: E
Direct effects of irradiation are those that
A. cause immediate cell death
B. affect structures distant from irradiated structures
C. affect the site of irradiation
D. cause the least biological effect
E. None of above
ANSWER: A
The cardinal rules of radiation protection recommended the use of
A. maximum exposure time, distance and shielding
B. automatic exposure control, fast imaging systems, and maximum shielding
C. minimum exposure time, maximum distance, and appropriate shielding
D. maximum beam restriction, minimum exposure time, and maximum distance
E. None of above
ANSWER: C
With the help of what device does estimate a temperature condition?
A. Alcohol thermometer
B. Mercury thermometer
C. Minimal thermometer
D. Maximal thermometer
E. Thermograph
ANSWER: B
How many types of anemometers you know?
A. 1
B. 2
C. 3
D. 4
E. 5
ANSWER: B
What is the sensitive part of barograph?:
A. Little bundle of hair.
B. Mercury thermometer.
C. Bimetal plate
D. System of aneroid boxes.
E. Alcogol thermometer
ANSWER: C
Anemometer is used for measuring:
A. Speed of air motion
B. Humidity;
C. Cooling power of air;
D. Atmospheric pressure.
E. Air temperature;
ANSWER: A
Barograph usually used for:
A. Measuring of temperature of air
B. Measuring of atmospheric pressure
C. Measuring and registration of changes of temperature of air
D. Measuring of amplitude of changes of temperature of air
E. Measuring and registration of temperature of body
ANSWER: B
What thermometer is used for measuring of high temperatures ?
A. Alcohol thermometer;
B. Minimal thermometer;
C. Maximal thermometer;
D. Electric thermometer;
E. Mercury thermometer.
ANSWER: C
What thermometer is used for measuring of low temperatures ?
A. Alcohol thermometer;
B. Minimal thermometer;
C. Maximal thermometer;
D. Electric thermometer;
E. Mercury thermometer.
ANSWER: B
The wing anemometer has measuring speed of the wind:
A. From 0,05-0,1 m/sec;
B. From 0,1 – 1 m/sec;
C. From 1-10 m/sec;
D. From 0,1 – 15 m/sec
E. From 1 to 50 m/sec
ANSWER: C
The catathermometer is used for determination speed of air motion
A. From 0,1-0,3 m/sec;
B. From 0,1 – 1 m/sec;
C. From 1-10 m/sec;
D. From 0,1 – 15 m/sec
E. From 1 to 50 m/sec
ANSWER: A
What is the sensitive part of gygrograph?:
A. Little bundle of hair.
B. Mercury thermometer.
C. Bimetal plate
D. System of aneroid boxes.
E. Alcogol thermometer
ANSWER: A
In what units measured humidity?
A. m/s
B. points
C. km/min
D. m/min
E. %
ANSWER: E
What disease is caused with the low temperature?:
A. Owercooling
B. Infrared cataract
C. Sunstroke
D. Ultraviolet eritema
E. Burn
ANSWER: A
Units of temperature measuring:
A. Mm.Mc colume
B. Degrees;
C. Grams per cubic metre of air.
D. Kilogram;
E. Watt.
ANSWER: B
Psychrometer Assmana used for measuring?
A. temperature
B. humidity
C. atmospheric pressure
D. speed of air motion
E. cooling ability of air
ANSWER: B
Psychrometer Augusta used for measuring?
A. temperature
B. humidity
C. atmospheric pressure
D. speed of air motion
E. cooling ability of air
ANSWER: B
Inside of barometer-aneroid
A. Little bundle of hair.
B. Mercury thermometer.
C. box without air
D. System of aneroid boxes.
E. Alcogol thermometer
ANSWER: C
What from the following has (have) wavelengths that are shorter than visible light? I. Gamma-rays;
II. Ultraviolet light; III. Infrared radiation; IV.X-rays.
A.
I & II
B.
I & IV
C.
II & III
D.
II, III, & IV
E.
I, II, & IV
ANSWER: E
Doctor estimated biological dose for providing maximal healthier effect of UV radiation.Biological
dose is 2 min. What is prophylactic doze of UV radiation?
A.
2 min
B.
1 min
C.
10 sec
D.
3 min
E.
30 sec
ANSWER: E
Doctor estimated prophylactic doze for providing maximal healthier effect of UV radiation.
Prophylactic doze is 1 min. What was biological doze of UV radiation?
A.
1 min
B.
2 min
C.
4 min
D.
6 min
E.
8 min
ANSWER: C
Doctor estimated prophylactic doze for providing maximal healthier effect of UV radiation.
Prophylactic doze is 0,5 min. What was biological doze of UV radiation?
A.
1 min
B.
2 min
C.
4 min
D.
6 min
E.
8 min
ANSWER: B
During inspection of sanitary conditions of studying at a technical university it was necessary to
evaluate the visual regimen of students, who study from 9 A.m to 3 p.m. What index of natural light
will be the most informative?
A.
Time of the room insolation
B.
Presence of mixed (superolateral) light
C.
Natural light coefficient
D.
Depth of study room
E.
Light coefficient
ANSWER: C
What is the wavelength of the longest wavelength light that can be seen with the human eye?
A. 400 nm
B. 4000 nm
C. 7000 nm
D. 700 nm
E. 3.108 m
ANSWER: D
Ultraviolet radiation from a star
A. will not penetrate Earth's atmosphere and reach the ground.
B. has a wavelength that is longer than the visible light emitted by the star.
C. has a wavelength that is shorter than the x-rays emitted by the star.
D. a and b
E. b and c
ANSWER: A
Which of the following types of electromagnetic radiation has the smallest frequency?
A. x-rays
B. visible light
C. radio
D. gamma-rays
E. infrared radiation
ANSWER: C
Which of the following types of electromagnetic radiation has the lowest energy?
A. x-rays
B. visible light
C. ultraviolet
D. gamma-rays
E. infrared radiation
ANSWER: E
Solar radiation reaches the earth's surface as:
A. visible radiation only
B. ultraviolet radiation only
C. infrared radiation only
D. visible and infrared radiation only
E. ultraviolet, visible, and infrared radiation
ANSWER: E
Electromagnetic radiation with wavelengths between 0.4 and 0.7 micrometers is called:
A. ultraviolet light
B. visible light
C. infrared light
D. microwaves
E. X-rays
ANSWER: B
Electromagnetic radiation with wavelengths longer than 0.7 micrometers is called:
A. ultraviolet light
B. visible light
C. infrared light
D. microwaves
E. X-rays
ANSWER: C
Electromagnetic radiation with wavelengths low than 0.4 micrometers is called:
A. ultraviolet light
B. visible light
C. infrared light
D. microwaves
E. X-rays
ANSWER: A
Which of the following has a wavelength shorter than that of violet light?
A. green light
B. blue light
C. infrared radiation
D. red light
E. ultraviolet radiation
ANSWER: E
Most of the radiation emitted by a human body is in the form of:
A. ultraviolet radiation and is invisible
B. visible radiation but is too weak to be visible
C. infrared radiation and is invisible
D. humans do not emit electromagnetic radiation
E. None of above
ANSWER: C
The sun emits its greatest intensity of radiation in:
A. the visible portion of the spectrum
B. the infrared portion of the spectrum
C. the ultraviolet portion of the spectrum
D. the x-ray portion of the spectrum
E. The gamma–ray portion of the spectrum
ANSWER: A
The earth's radiation is often referred to as ________radiation, while the sun's radiation is often
referred to as _________radiation.
A. shortwave, longwave
B. shortwave, shortwave
C. longwave, shortwave
D. longwave, longwave
E. None of above
ANSWER: C
The earth emits radiation with greatest intensity at:
A. infrared wavelengths
B. radio wavelengths
C. visible wavelengths
D. ultraviolet wavelengths
E. All are correct
ANSWER: A
The proper order from shortest to longest wavelength is:
A. visible, infrared, ultraviolet
B. infrared, visible, ultraviolet
C. ultraviolet, visible, infrared
D. visible, ultraviolet, infrared
E. ultraviolet, infrared, visible
ANSWER: C
The gas that absorbs most of the harmful ultraviolet radiation in the stratosphere:
A. water vapor
B. nitrous oxide
C. carbon dioxide
D. ozone
E. chlorofluorocarbons
ANSWER: D
Which of the following is the speed of light?
A. 3 metres per second
B. 30 metres per second
C. 300 metres per second
D. 300 000 000 metres per second
E. None of the above
ANSWER: D
Which is most likely to happen when light passes from one material through another denser
material?
A. It is reflected.
B. It is refracted.
C. It makes a rainbow.
D. It releases a photon.
E. It is absorbed
ANSWER: B
Which phrase best describes electromagnetic radiation?
A. visible light
B. gamma rays
C. reflection
D. waves of energy
E. beta particles
ANSWER: D
Which phrase best describes the inside of an incandescent light bulb?
A. the absence of any gas
B. the presence of a gas such as argon
C. a thin wire made of tungsten
D. a conductor of electricity
A. the presence of a gas such as mercury
ANSWER: A
Which phrase best describes a fluorescent light?
A. most any household lamp
B. glass tube with a filament that glows when hot
C. bulb with a vacuum that glows
D. glass tube with a gas that glows when a current passes through it
E. None of the above
ANSWER: D
Which term refers to the amount of light falling on a surface?
A. voltage
B. light intensity
C. wattage
D. illuminance
E. None of the above
ANSWER: D
Which term does NOT refer to light intensity?
A. watt
B. lumen
C. candlepower
D. candela
E. All of the above
ANSWER: A
Candela is the unit of
A. Luminous flux
B. Luminous intensity
C. Wavelength
D. Natural illumination
E. None of the above.
ANSWER: B
The unit of luminous flux is
A. steradian
B. candela
C. lumen
D. lux.
E. Watt/m2
ANSWER: C
Which of the following will need the highest level of illumination?
A. Proof reading
B. Bed rooms
C. Hospital wards
D. Railway platforms.
E. All of the above
ANSWER: A
Which of the following will need the highest level of illumination?
A. Dressing room
B. Bed rooms
C. Hospital wards
D. Railway platforms.
E. All of the above
ANSWER: A
Which of the following will need the highest level of illumination?
A. Classroom
B. Bed rooms
C. Hospital wards
D. Railway platforms.
E. All of the above
ANSWER: A
Which of the following will need lowest level of illumination?
A. Displays
B. Fine engraving
C. Railway platform
D. Auditoriums.
E. Hospital ward
ANSWER: C
Which of the following will need lowest level of illumination?
A. Dressing room
B. classroom
C. Corridor
D. Auditoriums.
E. Hospital ward
ANSWER: C
The illumination level in houses is in the range
A. 10-20 lux
B. 30 - 50 lux
C. 40-75 lux
D. 100-140 lux
E. 150-200 lux
ANSWER: D
Results of estimation microclimate of ward of therapeutic departmenis is next: the middle
temperature of air is 21 °C, speed of air is 0,1 m/s, relative humidity of air is 85 %. Give hygienical
estimation of microclimate of ward.
A.
comfort microclimate
B.
discomfort microclimate of cooling type
C.
discomfort microclimate of heating type
D.
discomfort microclimate with the increased humidity of air
E.
discomfort microclimate with the increased speed of air
ANSWER:D
While laboratory studies of air hospital wards found\: the total number of micro organisms in the air
- 2500 to 1 m3, of which 125 - haemolytic streptococcus. What measures should be undertaken with
the purpose of decontamination of air in the House?
A.
UFO sterilizing lamp
B.
Dissipation of 0.5% solution chloramines in the air
C.
Electro aero-ionisation of air
D.
Air conditioning
E.
Infrared radiation air
ANSWER:A
A city hospital consists of separate surgical and therapeutic buildings which are placed along a few
separate houses which are intended for infectious, maternity and child's separations. To define the
system of building of hospital.
A.
Centralized block
B.
centralised
C.
Dentralised
D.
mixed
E.
hostel
ANSWER:D
At the sanitary inspection of burn separation it was set for adults, that must have 4 beds with area of
28 m2. What minimum area of chambers must be in this separation?
A.
30 m2
B.
24 m2
C.
28 m2
D.
40 m2
E.
52 m2
ANSWER:D
During the study of microclimatic terms of hospital ward: area is 6 m2, middle temperature of air is
16 °C, relative humidity 72 %, rate of movement of air 0,35 m/s, coefficient of natural light 0,88 %,
light coefficient 1:5. Give a hygienical estimation the microclimate of hospital wadr.
A.
Discomfort, with lot of vibrations
B.
Comfort
C.
Discomfort, with the high humidity of air
D.
Discomfort, type of heating
E.
Discomfort, cool type
ANSWER:E
For estimation of efficiency of ventilation in wards determined concentration of CO2 in air. What
maximal admissible concentration of carbonic dioxide may be in ward?
A.
0,1 %
B.
1,0 %
C.
10,0 %
D.
0,25 %
E.
0,5 %
ANSWER:A
land of the centralized hospital has a rectangular form a size 200x300 m. On the front of area a
medical building is located, in a center is a hospital garden, at back of territory are economic
structures. On what distance from the boundary of area must a medical building be located?
A.
Not less than 50 m
B.
Not less than 30 m
C.
less than 30 m
D.
less than 15 m
E.
less than 5 m
ANSWER:C
On instructions from the doctor nurse conducted measurements, which are necessary to assess the
climate chamber therapy department. The results of measurements: the average temperature is 20 °
C, the speed of air 0.2 m / s, relative humidity - 48 %. Give hygienic assessment of climate
chamber.
A.
comfortable microclimate
B.
Microclimate discomfort coolant type
C.
Microclimate discomfort heating type
D.
Microclimate uncomfortable with the increased air humidity
E.
Microclimate uncomfortable with the increased speed of air
ANSWER:A
On instructions from the doctor nurse conducted measurements, which are necessary to assess the
climate chamber therapy department. The results of measurements: the average temperature is 25 °
C, the speed of air 0.2 m / s, relative humidity 78 %. Give hygienic assessment of climate chamber.
A.
Microclimate comfortable
B.
Microclimate discomfort coolant type
C.
Microclimate discomfort heating type
D.
Microclimate uncomfortable with the increased air humidity
E.
Microclimate uncomfortable with the increased speed of air
ANSWER:C
What must be the maximum percentage of build up hospital in the area?
A.
25 %
B.
35 %
C.
20 %
D.
15 %
E.
10 %
ANSWER:D
The area of ward on 1 beds in the therapeutic departmen of city hospital is 9 m2. Does it
corresponds to the hygienical requirements?
A.
Corresponds to the hygienical requirements for city hospitals only
B.
Does not corresponds to the to the hygienical requirements
C.
Corresponds to the hygienical requirements for all hospitals
D.
Corresponds to the hygienical requirements for children hospitals only
E.
Does not corresponds to the to the hygienical requirements only for hospitals with
centralized system of building.
ANSWER:C
The area of ward on 2 beds in the therapeutic departmen of city hospital is 14 m2. Does it
corresponds to the to the hygienical requirements?
A.
Corresponds to the hygienical requirements for city hospitals only
B.
Does not corresponds to the to the hygienical requirements
C.
Corresponds to the hygienical requirements for all hospitals
D.
Corresponds to the hygienical requirements for children hospitals only
E.
Does not corresponds to the to the hygienical requirements only for hospitals with
centralized system of building
ANSWER:C
The area of ward on 3 beds in the therapeutic departmen of city hospital is 15 m2. Does it
corresponds to the to the hygienical requirements?
A.
Does not corresponds to the to the hygienical requirements
B.
Corresponds to the hygienical requirements for all hospitals
C.
Corresponds to the hygienical requirements for children hospitals only
D.
Corresponds to the hygienical requirements for city hospitals only
E.
Does not corresponds to the to the hygienical requirements only for hospitals with
centralized system of building
ANSWER:A
The area of ward on 4 beds in the therapeutic departmen of city hospital is 28 m2. Does it
corresponds to the to the hygienical requirements?
A.
Corresponds to the hygienical requirements for city hospitals only
B.
Does not corresponds to the to the hygienical requirements
C.
Corresponds to the hygienical requirements for all hospitals
D.
Corresponds to the hygienical requirements for children hospitals only
E.
Does not corresponds to the to the hygienical requirements only for hospitals with
centralized system of building
ANSWER:C
What pathological changes in human organism is a result of dust influences:
A. Fracture;
B. Pneumoconiosis;
C. Sun strike;
D. Caries;
E. Rickets.
ANSWER: B
Cotton dust is:
A. Inorganic;
B. Organic;
C. Mineral;
D. Metal;
E. None of the about.
ANSWER: B
Which one of the following pneumoconiosis diseases:
A. Brucellosis;
B. Brittacosis;
C. Anthracosis;
D. Tuberculosis;
E. Anthrax.
ANSWER: C
In what unit measure intensity of noise?
A. Vt/m2;
B. Hz;
C. dB;
D. Pa;
E. m/sec.
ANSWER: C
In what unit measure frequency of noise?
A. Vt/m2;
B. Hz;
C. dB;
D. Pa;
E. m/sec.
ANSWER: B
Disease due to pressure:
A. Anthracosis;
B. Byssionosis;
C. Cancer of lung;
D. Caisson disease;
E. Eczema.
ANSWER: D
Disease due to noise:
A. Anthracosis;
B. Deafness;
C. Cancer of lung;
D. Dermatitis
E. Caisson disease.
ANSWER: B