QUESTIONS WITH WELL
VERIFIED ANSWERS
A patient should be informed of? - answer-What the procedure
involves, how the patient is involved, and what to do post
procedure
Wha does a successful exam include? - answer-Patient
cooperation and technologists abilities and skills
What is BERT? - answer-compares the amount of radiation
received with natural background radiation received over a given
period of time
All exposures we make are guided by and standards are based
on? - answer-alara, no threshold (no safe dose)
What if the first line of defense in protective shielding? - answer-
Collimation (prevents unnecessary primary beam exposure)
What is radiation dose? - answer-The transfer of all or part of the
ionizing radiation energy to atoms of a cell with consequences
What is the risk vs benefit of radiation dose? - answer-
Somatic/genetic effects vs diagnosis of illness
, What is the non threshold theory? - answer-Every exposure
involves a small potential risk
What is radiation protection? - answer-effective measures
employed by radiation workers to safeguard patients, personnel,
and the general public from unnecessary exposure to ionizing
radiation
Who enforces alara? - answer-Code of ethics holds the
technologist responsible for
Gonadal shielding must be done when? - answer-The gonads are
within 5cm of the primary beam
female reproductive organs receive __ times more exposure than
males when imaging the pelvic area - answer-3
Shielding with a flat contact shield to the gonads reduce dose by?
- answer-90% in Males and 50% in females
Where is the shield places for fluoroscopy? - answer-Under the
patient
What is the active ingredient in contact shields? - answer-Lead
What is a shadow sheild? - answer-Goes under the tube but
doesn't touch patient, casts shadows to prevent beam exposure
What are shaped contact shields? - answer-contoured material to
enclose male testes that fit inside supporters
What are clear lead shields? - answer-Transparent lead plastic,
contains 30% of lead by weight