Ch1 Challenge Questions Bushong
Guide Questions with Answers
The ability to do work or physically influence surroundings because of position, chemical state, or
nuclear state. - correct answers energy
Secondary quantities that are derived from a combination of one or more of the three base quantities
(e.g., volume, density, and velocity). - correct answers derived quantity
Any electromagnetic or particulate radiation that has sufficient energy to remove an electron from an
atom. - correct answers ionizing radiation
1/1000 of a rad, where the rad (radiation absorbed dose) is 100 ergs of energy absorbed per gram of
tissue. - correct answers air karma
Approximately 300 mrad/yr. - correct answers the average level of natural environmental radiation
The first heated filament x-ray tube was developed by a physicist, William Coolidge, in 1913. - correct
answers the Coolidge tube
The production of continuous x-ray images in real time using a special x-ray imaging system, the
fluoroscope, with continuous low mA. The fluoroscope was first demonstrated by Thomas Edison in
1898. - correct answers fluoroscopy
The rate of change of velocity (speed and/or direction) with time. - correct answers acceleration
the term applied to the chemistry of the body - correct answers biochemistry
A phosphor that glows when excited with x-rays. This is the phosphor with which Roentgen was
experimenting when he discovered x-rays. - correct answers barium platinocyanide
Roentgen discovered x-rays in: - correct answers1895
Guide Questions with Answers
The ability to do work or physically influence surroundings because of position, chemical state, or
nuclear state. - correct answers energy
Secondary quantities that are derived from a combination of one or more of the three base quantities
(e.g., volume, density, and velocity). - correct answers derived quantity
Any electromagnetic or particulate radiation that has sufficient energy to remove an electron from an
atom. - correct answers ionizing radiation
1/1000 of a rad, where the rad (radiation absorbed dose) is 100 ergs of energy absorbed per gram of
tissue. - correct answers air karma
Approximately 300 mrad/yr. - correct answers the average level of natural environmental radiation
The first heated filament x-ray tube was developed by a physicist, William Coolidge, in 1913. - correct
answers the Coolidge tube
The production of continuous x-ray images in real time using a special x-ray imaging system, the
fluoroscope, with continuous low mA. The fluoroscope was first demonstrated by Thomas Edison in
1898. - correct answers fluoroscopy
The rate of change of velocity (speed and/or direction) with time. - correct answers acceleration
the term applied to the chemistry of the body - correct answers biochemistry
A phosphor that glows when excited with x-rays. This is the phosphor with which Roentgen was
experimenting when he discovered x-rays. - correct answers barium platinocyanide
Roentgen discovered x-rays in: - correct answers1895
