XRAY STATE EXAM UPDATED Actual Questions and CORRECT Answers
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Course
XRAY STATE
Institution
XRAY STATE
XRAY STATE EXAM UPDATED Actual
Questions and CORRECT Answers
What is the earliest visible sign of overexposure to radiation - CORRECT ANSWER-
Erythema-redness of thr skin
Which body tissues or organs are the most sensitive to radiation - CORRECT ANSWER-
Reproductive cells or early embryo
N...
XRAY STATE EXAM UPDATED Actual
Questions and CORRECT Answers
What is the earliest visible sign of overexposure to radiation - CORRECT ANSWER✔✔-
Erythema-redness of thr skin
Which body tissues or organs are the most sensitive to radiation - CORRECT ANSWER✔✔-
Reproductive cells or early embryo
Name 3 examples of disprders of critical organs resulting from cumulatibe radiation exposure
- CORRECT ANSWER✔✔- Genetic disorders, cataracts, cancer leukemia
Chronic radiation exposure - CORRECT ANSWER✔✔- When small amounts of
radiationare absorbed repeatedly over a long period of time
What is the latent period - CORRECT ANSWER✔✔- The period of time between when you
recieve theradiation and the symptoms appear
What is penumbra and how can it be reduced - CORRECT ANSWER✔✔- The fuzzy or
blurred area that surrounds an image....minimizemovement of patient, size of focal spot, and
film composition
A form of radiation tht occurs when an xray beam has been deflected from its path by
interaction with matter is - CORRECT ANSWER✔✔- Scatter/secondary radiation
Damage caused by ionizing x-radiation to genetic cells - CORRECT ANSWER✔✔- Can
affect future generations
The wavelength s of xray which have the greatest energy and the most usefulness are -
CORRECT ANSWER✔✔- The short wavelenghs
When the electrons strike the tungsten target, their energy of motion creates xrays and heat .
Less than ___ of energy is converted into xrays, with the remaining ___ lost as heat -
CORRECT ANSWER✔✔- 1%, 99%
, How is heat reduced from the target - CORRECT ANSWER✔✔- Absorbed the insulating oil
surrounding the tube
The filter on the xray machine is used to - CORRECT ANSWER✔✔- Remove the low
energy, long wavelengths less penetratinv xray from the beam
The filter is made of - CORRECT ANSWER✔✔- Aluminum and is 2.5 mm thick whi ch is
the federal requirement for xray machines operating above 70kVp
The collimater and is used - CORRECT ANSWER✔✔- Is made of lead, to restric the size
and shape of the xray beam to reducd patient exposure
Which setting on the control panel controls the penetrating power of the xray beam -
CORRECT ANSWER✔✔- kVp
In order to get the proper density on a radiograph of a small child, it is necessary to reduce
the - CORRECT ANSWER✔✔- Milliampere (MA's)
Which is the portion of the xray machine supplies the electrons that are needed to produce
xrays - CORRECT ANSWER✔✔- Cathode (C-)
Name two things you can use or do to reduce radiation exposure to patient - CORRECT
ANSWER✔✔- Lead apron wi th thyroid collar or fast filll if using film and proper technique
Do radiographic imaging procedures need to be altered when your patient is pregnant? How?
- CORRECT ANSWER✔✔- No, as long as they have led apro. Zero radiation reaches below
the neck
Unless you are behind a lead barrier you should never stand closer than - CORRECT
ANSWER✔✔- 6 feet from x ray unit
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