The quantity of matter that makes up any physical object is called its:
A. chemical identity
B. nucleus
C. atomic number
D. mass
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D. mass
The penetrating power of an x-ray beam is determined by its energy as expressed in
its:
A. quantity
B. velocity
,C. wavelength
D. atomic number
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C. wavelength
What is the typical usage of a 24 x 24 cm IR?
A. mammography
B. fluoroscopic spots
C. general examinations
D. upright spine
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B. fluoroscopic spots
Where is the image obtained in computed radiography (CR)?
A. on a film
B. in a phosphor material
C. on a laser disk
D. in a microprocessor
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B. in a phosphor material
,If and exposure time is measured as 35 milliseconds, what is the exposure time in
seconds?
A. 0.350 seconds
B. 350 seconds
C. 0.035 seconds
D. 3.5 seconds
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C. 0.035 seconds
The absorption of x-rays by matter is called:
A. scatter
B. attenuation
C. fog
D. remnant radiation
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B. attenuation
The anode heel effect is a phenomenon of x-ray production that results in:
A. dissipation of anode heat
B. filtration of long wavelengths from the x-ray beam
C. uneven distribution of radiation within the field
D. the production of characteristic radiation
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, C. uneven distribution of radiation within the field
Of the following types of electromagnetic energy, which has the shortest
wavelength?
A. radio waves
B. gamma waves
C. microwaves
D. ultraviolet waves
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B. gamma waves
The filament of an x-ray tube is made of:
A. glass
B. a coil of stainless steel wire
C. a coil of tungsten wire
D. a fluorescent tube
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C. a coil of tungsten wire
Which of the following can be found on a dual-focus x-ray tube?
1.Two filaments
2. Two focal spot sizes
A. chemical identity
B. nucleus
C. atomic number
D. mass
Give this one a try later!
D. mass
The penetrating power of an x-ray beam is determined by its energy as expressed in
its:
A. quantity
B. velocity
,C. wavelength
D. atomic number
Give this one a try later!
C. wavelength
What is the typical usage of a 24 x 24 cm IR?
A. mammography
B. fluoroscopic spots
C. general examinations
D. upright spine
Give this one a try later!
B. fluoroscopic spots
Where is the image obtained in computed radiography (CR)?
A. on a film
B. in a phosphor material
C. on a laser disk
D. in a microprocessor
Give this one a try later!
B. in a phosphor material
,If and exposure time is measured as 35 milliseconds, what is the exposure time in
seconds?
A. 0.350 seconds
B. 350 seconds
C. 0.035 seconds
D. 3.5 seconds
Give this one a try later!
C. 0.035 seconds
The absorption of x-rays by matter is called:
A. scatter
B. attenuation
C. fog
D. remnant radiation
Give this one a try later!
B. attenuation
The anode heel effect is a phenomenon of x-ray production that results in:
A. dissipation of anode heat
B. filtration of long wavelengths from the x-ray beam
C. uneven distribution of radiation within the field
D. the production of characteristic radiation
Give this one a try later!
, C. uneven distribution of radiation within the field
Of the following types of electromagnetic energy, which has the shortest
wavelength?
A. radio waves
B. gamma waves
C. microwaves
D. ultraviolet waves
Give this one a try later!
B. gamma waves
The filament of an x-ray tube is made of:
A. glass
B. a coil of stainless steel wire
C. a coil of tungsten wire
D. a fluorescent tube
Give this one a try later!
C. a coil of tungsten wire
Which of the following can be found on a dual-focus x-ray tube?
1.Two filaments
2. Two focal spot sizes
