Bushong penguins
Why is radiology now considered a safe occupation? - answer Because of effective
radiation protection practices
What does ALARA mean? - answer As low as reasonably achievable
What is the unit of radioactivity? - answer Becquerel
What is the smallest particle that has all the properties of an element? - answer Atom
What is ionization? - answer Removal of an orbital electron from an atom
What are isotopes? - answer When atoms have the same atomic number but different
atomic mass numbers
How many held lives equal one tenth life? - answer3.3
Where do gamma rays originate from? - answer Nucleus
Where do xrays originate from? - answer Electron cloud
What is the velocity of all electromagnetic energy? - answerThe speed of light (3 x 10^8
m/sec)
Do X-rays or light behave like particles? - answerX-rays
Do X-rays or light behave like waves? - answerLight
Electromagnetic energy attenuation results from what 2 things? - answerscattering and
absorption
Electrons that flow in one direction only are DC or AC? - answerDC
Electrons that flow alternately in opposite directions are AC or DC? - answerAC
What is a solenoid? - answerCoil of wire
What is an electromagnet? - answerCurrent-carrying coil of wire wrapped around an
iron core which intensifies the induced magnetic field
Carbon fibre couches contribute to what? - answerReduced patient radiation dose
Why is radiology now considered a safe occupation? - answer Because of effective
radiation protection practices
What does ALARA mean? - answer As low as reasonably achievable
What is the unit of radioactivity? - answer Becquerel
What is the smallest particle that has all the properties of an element? - answer Atom
What is ionization? - answer Removal of an orbital electron from an atom
What are isotopes? - answer When atoms have the same atomic number but different
atomic mass numbers
How many held lives equal one tenth life? - answer3.3
Where do gamma rays originate from? - answer Nucleus
Where do xrays originate from? - answer Electron cloud
What is the velocity of all electromagnetic energy? - answerThe speed of light (3 x 10^8
m/sec)
Do X-rays or light behave like particles? - answerX-rays
Do X-rays or light behave like waves? - answerLight
Electromagnetic energy attenuation results from what 2 things? - answerscattering and
absorption
Electrons that flow in one direction only are DC or AC? - answerDC
Electrons that flow alternately in opposite directions are AC or DC? - answerAC
What is a solenoid? - answerCoil of wire
What is an electromagnet? - answerCurrent-carrying coil of wire wrapped around an
iron core which intensifies the induced magnetic field
Carbon fibre couches contribute to what? - answerReduced patient radiation dose
