Penn Foster Vet Tech Radiology Questions with
correct answers
6 Forms of energy Correct Answer-Electrical, chemical, mechanical,
thermal, nuclear, electromagnetic
3 Components of electromagnetic energy Correct Answer-Energy (eV),
Frequency (Hz), Wavelength (h)
What is frequency? Correct Answer-Distance between crests
What is wavelength? Correct Answer-Frequency + amplitude
What is amplitude? Correct Answer-Height of wave
Characteristics of low frequency Correct Answer-Long waves, not
powerful, microwaves, radiofrequency
Characteristics of high frequency Correct Answer-Short waves,
powerful, x-rays, contact therapy, supervoltage therapy
6 properties of x-rays Correct Answer-1. Penetrating invisible rays
2. Not effected by electric or magnetic fields
3. Produce wide variety of wavelengths
4. Release small amounts of heat as it passes through matter
,5. Travels in straight lines
6. Travels at speed of light
6 properties of x-rays Correct Answer-1. Ionize matter
2. Causes fluorescence of crystals
3. Not focused by lens
4. Affects photographic films
5. Creates biological and chemical changes
6. Produces scatter radiation
6 components of an x-ray machine Correct Answer-1. X-ray tube head
2. X-ray control center
3. Tabletop
4. Bucky tray
5. Transformer
6. Generator
4 parts inside of x-ray tube head Correct Answer-1. Cathode
2. Anode
3. Glass enclosure
4. Window
What is located inside of cathode? Correct Answer-2 filaments
,What are filaments? Correct Answer-Like lightbulbs
What are filaments made of? Correct Answer-Thoriated Tungsten
What are the 2 types of anodes? Correct Answer-1. Rotating
2. Stationary
Which types of machines are stationary and rotating anodes on? Correct
Answer-Rotating= stationary x-ray machines
Stationary= rotating x-ray machines
3 characteristics of a rotating anode? Correct Answer-1. Good heat
absorption
2. Big/bulky= can't move
3. Disc shaped with angled edge
4 characteristics of a stationary anode? Correct Answer-1. Copper
2. Block, not disc
3. Heat buildup
4. Can't use on thick structures
4 items to have on patient radiology record? Correct Answer-1. Pt name
2. Client name
, 3. Date
4. Views taken
6 items to have on radiology log? Correct Answer-1. Client name
2. Pt name
3. Body part
4. Position
5. kVp and MA settings
6. Signature of technician
Values that can be adjusted on the X-ray machine? Correct Answer-1.
Milliamperage (mA)
2. Kilovoltage (kV)
3. Time (S)
What is Milliamperage? Correct Answer-Density is affected
Increased mA = increased what? Correct Answer-Blackness
Example of mA? Correct Answer-Toaster
What is kVp? Correct Answer-Quality of x-ray beam
correct answers
6 Forms of energy Correct Answer-Electrical, chemical, mechanical,
thermal, nuclear, electromagnetic
3 Components of electromagnetic energy Correct Answer-Energy (eV),
Frequency (Hz), Wavelength (h)
What is frequency? Correct Answer-Distance between crests
What is wavelength? Correct Answer-Frequency + amplitude
What is amplitude? Correct Answer-Height of wave
Characteristics of low frequency Correct Answer-Long waves, not
powerful, microwaves, radiofrequency
Characteristics of high frequency Correct Answer-Short waves,
powerful, x-rays, contact therapy, supervoltage therapy
6 properties of x-rays Correct Answer-1. Penetrating invisible rays
2. Not effected by electric or magnetic fields
3. Produce wide variety of wavelengths
4. Release small amounts of heat as it passes through matter
,5. Travels in straight lines
6. Travels at speed of light
6 properties of x-rays Correct Answer-1. Ionize matter
2. Causes fluorescence of crystals
3. Not focused by lens
4. Affects photographic films
5. Creates biological and chemical changes
6. Produces scatter radiation
6 components of an x-ray machine Correct Answer-1. X-ray tube head
2. X-ray control center
3. Tabletop
4. Bucky tray
5. Transformer
6. Generator
4 parts inside of x-ray tube head Correct Answer-1. Cathode
2. Anode
3. Glass enclosure
4. Window
What is located inside of cathode? Correct Answer-2 filaments
,What are filaments? Correct Answer-Like lightbulbs
What are filaments made of? Correct Answer-Thoriated Tungsten
What are the 2 types of anodes? Correct Answer-1. Rotating
2. Stationary
Which types of machines are stationary and rotating anodes on? Correct
Answer-Rotating= stationary x-ray machines
Stationary= rotating x-ray machines
3 characteristics of a rotating anode? Correct Answer-1. Good heat
absorption
2. Big/bulky= can't move
3. Disc shaped with angled edge
4 characteristics of a stationary anode? Correct Answer-1. Copper
2. Block, not disc
3. Heat buildup
4. Can't use on thick structures
4 items to have on patient radiology record? Correct Answer-1. Pt name
2. Client name
, 3. Date
4. Views taken
6 items to have on radiology log? Correct Answer-1. Client name
2. Pt name
3. Body part
4. Position
5. kVp and MA settings
6. Signature of technician
Values that can be adjusted on the X-ray machine? Correct Answer-1.
Milliamperage (mA)
2. Kilovoltage (kV)
3. Time (S)
What is Milliamperage? Correct Answer-Density is affected
Increased mA = increased what? Correct Answer-Blackness
Example of mA? Correct Answer-Toaster
What is kVp? Correct Answer-Quality of x-ray beam
