test.txt

The biggest source of man-made ionizing radiation exposure to the public is ________.
A. smoke detectors
B. diagnostic x-rays
C. atomic fallout
D. nuclear medicine procedures

Which of the following is FALSE relating to the properties of x-rays?
A. Can be refracted or focused by a lens
B. Produces secondary radiation
C. Produces a chemical and biologic changes in the matter it interact with
D. Travels in straight lines in sine waves

An example of a derived quantity in mechanical physics is ____________?
A. Velocity
B. Radioactivity
C. Dose
D. Time

An element can contain different numbers of neutrons, this is call an:
A. Isotone
B. Isotope
C. Isobar
D. Isomer

What is the electromagnetic wave equation?
A. constant velocity equals frequency times wavelength
B. constant velocity equals frequency divided by wavelength
C. constant velocity equals wavelength divided by frequency
D. constant velocity equals frequency minus the wavelength

An x-ray tube cools primarily through the process of ____________?:
A. Radiation
B. Convection
C. Answer not given
D. Conduction

Another name for the energy of motion is _________ energy.

A. Potential
B. Kinetic
C. Velocity
D. Acceleration

Atoms and molecules are the fundamental building blocks of _______________
A. Radiation
B. Energy
C. Matter
D. Gravity

Energy is measured in ___________________.
A. Joules
B. both Joules and Electron Volts
C. Electron Volts
D. Kilograms

Filtration is used to _______________.
A. Absorb low-energy photons
B. Absorb high-energy photons
C. Filtration should never be used
D. Restrict the useful beam

All things can be described as either matter or ____________?
A. Mass
B. Substances
C. Energy
D. Molecules

Matter is measured in __________________.
A. Kilograms
B. Joules
C. Rems
D. Electron Volts

Newton's second Law of Motion is written mathematically as ______________?
A. F = ma
B. F = m/a
C. F = m
D. F = a/m

Radio waves, light and x-rays are all examples of ___________________
A. Electromagnetic energy
B. Electrical Energy
C. Nuclear energy
D. Thermal Energy

Roentgen discovered x-rays by noticing the fluorescent glow of ______________ during one of his experiments with a cathode ray tube?
A. Calcium Tungstate
B. Barium Sulfate
C. Barium Platinocyanide
D. Cellulose Nitrate

The Sl unit used to measure dose is the __________?
A. Second
B. Gray
C. Kilogram
D. Becquerel

The atomic number is the # of ______ in the nucleus.
A. Photons
B. Protons
C. Neutrons
D. Electrons

The basic quantities measured in mechanics are __________________?
A.  Mass, Length and Time
B.  Radioactivity, Dose, Time
C.  Volume, Length, and Matter
D.  Meter, Second, Pound

The first fatality, in the United States, from x-ray exposure was reported in 1904 with _______________?
A. Charles Leonard
B. Michael Pubin
C. Clarence Dally
D. H. C. Snook

The largest source of natural (background) radiation comes from:
A. Radon
B. Cosmic rays
C. Terrestrial radiation
D. Internally deposited radionuclides

The intensity of light from a flashlight is 8 mlm at a distance of 6 feet.  What will the intensity be a 3 feet?
A. 16 mlm
B. 2 mlm
C. 4 mlm
D. 32 mlm

The removal of an electron from an atom is called?
A. Electricity
B. Pair Production
C. Irradiation
D. Ionization

What is dependent on gravitational force?
A. Weight
B. Kilogram
C. Energy
D. Mass

What is the atomic number of barium?
A. 8
B. 56
C. 21
D. 72 

What is the equation for velocity?
A. V = d/t
B. V = mgh
C. V = ma
D. V = dt

What is the name of the inner most shell of an atom?
A. K shell
B. A shell
C. L shell
D. Z shell

Which of the following is a special quantity of radiologic science?
A. Velocity
B. Radioactivity
C. Mass
D. Time

Which of the following would possess more potential energy?
A. A rock at the top of a hill
B. A rock at the bottom of the hill
C. Neither, they would have the same amount of potential energy.
D. There is not enough information given to determine the answer.

Which system of units uses the foot, pound and second?
A. MKS
B. CGS
C. British
D. SI

Wilhelm Roentgen discovered x-rays while experimenting with a ________________
A. Rotating Anode
B. Snooks Transformer
C. Coolidge Tube
D. Crookes Tube

X-rays were discovered in ___________ by Roentgen.
A. 1885
B. 1808
C. 1895
D. 1995

A neutral atom has the same number of _________ and electrons.
A.  photons
B.   quark
C.   protons
D.   neutrons

Aluminum has an atomic number of 13.  How many protons does Aluminum have?
A.   13
B.   26
C.   27
D.   none of the above

Given the following dimensions for a box (Length= 0.36 m; Width= 0.47 m; Height= 22 cm). Calculate the volume of the box using the CGS system of units. Report your answer in Scientific notation.
A.   3.7224 x 104cm3
B.   37.224 x 104 cm3
C.   3.77224 X 10-4cm
D.   37, 227 cm

  Intensifying screens can reduce patient exposure by:
A.  10%
B. 95%
C.  25%
D.   40%

 Radiation that is emitted from deposits of Uranium, Thorium, and other radionuclides in the Earth's crust and soil is:
A.   Extraterrestrial radiation
B.   Internally deposited radionuclides
C.   Terrestrial radiation
D.   Cosmic rays

 The SI unit for work is:
A.   Hertz
B.   second
C.   kilogram
D.   Joule

The __________ is the least penetrating form of ionizing radiation.
A.   gamma ray
B.   beta particle
C.   alpha particle
D.   x-ray

Which of the following does NOT represent one of the Newton's Laws of Motion?
A.   The force acting on an object is equal to the mass multiplied by the acceleration.
B.   The force acting on an object is equal to the mass divided by the acceleration.
C.  An object an rest will remain at rest or an object at a constant velocity will remain in a constant velocity, unless acted on by an external force.
D.   For every action force there is an equal an opposite reaction force

What does ALARA mean?
A.   As Low As Reasonably Achievable
B.   Always Leave A Restricted Area
C.   As Low As Regulations Allow
D.   All Level Alert Radiation Accident

 Today, techniques can utilize up to 1000mA and 150kV.  This increase in volts and currents from the early times in radiology has:
A.   Allowed for less procedures
B.   Decreased radiation exposure times
C.   Allowed for less tube capacity
D.   Increased radiation exposure times

Thermal radiation is the transfer of heat through the emission of _____________.
A.   infrared radiation
B.   vibrating molecules
C.   high-speed electrons
D.   hot steam

The velocity of light is written as _______________.
A.   c=3 x 10 m/s
B.   c=8 x 10^8 m/s
C.   c=10^8m/s
D.   c=3 x10^8 m/s

The smallest particle that has all the properties of an element is a(n) ___________.
A.   proton
B.   electron
C.   atom
D.   neutron

The shell number of an atom is called the ____________.
A.   chemical element
B.   alpha particle
C.   half-life number
D.   principle quantum number

 The maximum number of electrons that can exist in an electron shell is calculated with the formula __________.
A.   2/n
B.   2n2
C.   2n
D.   2/n2

The fundamental particles of the atom are:
A.   proton, neutron, quark
B.   nucleon, electron, proton
C.   proton, electron, neutron
D.   quark, positron, negatron

The chemical element is determined by the number of ________ in the atom.
A.   electrons
B.   nucleons
C.   protons
D.   neutrons

The binding energies, or energy levels, of electrons are represented by their ________.
A.   atomic numbers
B.   atomic mass units
C.   isotopes
D.   shells

The atomic number of an element is symbolized by the letter _________.
A.   n
B.   X
C.   A
D.   Z