The millisievert (mSv) is equal to how many sieverts?
what is 1/1000th of a sievert
What is one way we can protect ourselves from radiation as medical workers?
what is Distance
the wavelength is measured by CREST to _____.
what is crest to crest
X-rays were discovered by whom?
this part receives the energy of the x-ray beam and forms the image of the body part
what is image receptor (IR)
The annual occupational effective dose limit is how many millisieverts(mSv)
what is 50 mSv
What is the main source of our radiation exposure?
what is Scatter
Electromagnetic waves are characterized by these two things
what is frequency and wavelength
Who and what did Roentgen x-ray first?
Who is his wife's hand
This portion of the x-ray room that is protected from scatter radiation and is safe during exposures is called the
what is control booth
what is absorbed dose measured in?
what is milligray
What are the three cardinal principles of radiation protection?
Because they do not have sufficient kinetic energy to eject elections from the atom, these radiations are considered non-ionizing
what is ultraviolet radiation (less than 10 eV), visible light, infrared light, microwaves, radiowaves
This term means that your credentials in one state are recognized in another.
what is reciprocity
This process is when radiation is either absorbed or scattered into matter.
what is attenuation
What unit is used to measure radiation exposure in the metric International System of Units?
what is Coulombs per kilogram
Reducing the duration of exposure to a radiation source directly decreases the total dose received. What is this principle?
what is time
what is x-rays, gamma rays, and ultraviolet radiation
A physician specialist who interprets radiographs and performs special imaging procedures is called a:
what is a radiologist.
The principal source of scatter radiation comes from whom..
what is the patient
The amount of energy that is deposited in a material per unit mass of the material is this..
what is absorbed dose
This is a way radiographers can improve understanding and reduce fear and anxiety for the patient during exams.
What is background equivalent radiation time (BERT)
Ionizing radiation has _____ ENERGY, _____ FREQUENCY, and _____ WAVELENGTH.
What is HIGHER, HIGHER, SHORTER
A device to protect the IR from being fogged by scatter radiation is called what?
what is a grid or bucky
Tissues with greater density, such as bone, will absorb ________ radiation, as compared with less dense tissues, such as fat.
what is more