Radiology
Terms
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- ALARA means...
- As Low As Reasonably Achievable
-
An Atom is the smallest unit of an
element. It consists of a positively
charged What? - Nucleus
- What does a nucleus contain?
-
Protons(positively charged)
Neutrons(no Charge) - What is an Ion?
-
It is an atom,that has acquired a negative.
electric charge by gaining or loosing
electrons -
Radiation that produces ions
is referred to as... - ionizing radiation
- The gametes are called what?
- Sex Cells
-
The Basic units of measurement of
ionizing Radiation are.... - Roentgen,rad,and rem
-
What are the cumulative effects of
radiation. -
Repeated exposure that will cause
a Cumulative(increasing effect)
This is Known by the Long term effect -
The position of the tube within the
x-ray head is one of the factors that
determines What? -
The target Film Distance(TFD)
of the machine -
Electroagnetic Radiation are made
up of pure energy called.... - Photons
- Rem are expressed as..
-
sievert(sv) Also know as the biological
dose amount of radiation required to
produce the same biological effect
as one roentgen
100 rem=1sv - Rad is expressed as
-
Gray(Gy) The dose of exposer received
(absorbed) by the patient