RADT 1200 Chapter 1 Test Questions and Answers All Correct
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Course
RADT 1200
Institution
RADT 1200
RADT 1200 Chapter 1 Test Questions and Answers All Correct
What are the consequences of ionization in the human cell - Answer-- creation of unstable atoms
-production of free electrons
-production of low energy x-ray photons
-creation of new biologic molecules
-creation of highly reactive...
RADT 1200 Chapter 1 Test Questions
and Answers All Correct
What are the consequences of ionization in the human cell - Answer-- creation of
unstable atoms
-production of free electrons
-production of low energy x-ray photons
-creation of new biologic molecules
-creation of highly reactive free molecules that are (poisonous to cell )
- injury to cell (abnormal or lose function)
When is radiation exposure considered unnecessary - Answer-when radiation exposure
does not benefit a person in terms of diagnostic info obtained from images
How can the BERT method be used to eliminate a patient's fears about medical
radiation exposure - Answer-by comparing the amount of radiation received from exam
to natural radiation from the environment over a specific period (ex: radiation received
from a chest x ray is equivalent to 10 days in nature)
How can radiographers use the ALARA concept in the performance of daily
responsibilities - Answer-using the cardinal rules (time, distance, shielding)
Why is the team approach of significant value in patient care - Answer-it can reduce the
risk of medical errors and increases radiation by each member bringing a unique
contribution
How will a patient benefit from monitoring and reporting of patient dose - Answer-it will
allow institutions to decide whether their quality assurance needs adjustment
Why should the ALARA philosophy be maintained as part of every healthcare facilities
radiation program - Answer-it provides a method for comparing the amount of radiation
used in various facilities
When are patients more likely to suppress any radiation phobia and be willing to
assume a small chance of possible biological damage - Answer-if they are educated to
understand the medical benefit of an imaging procedure
In the medical industry with reference to the radiation sciences how is risk defined -
Answer-the possibility of inducing adverse biological effects, such as injury to the skin or
induction of cancer
, What is the first goal of the Alliance for Radiation Safety in pediatric imaging - Answer-to
raise awareness among non radiology users of potentially high radiation exposure
Image gently campaign - Answer-includes dissemination of info on pediatric dose
reduction among various medical specialties that refer patients for CT scans
Pause and Pulse: Image Gently in Fluoroscopy Campaign - Answer-instead of
continuous fluoroscopic radiation, use pulsed radiation and the lowest pulse rate
possible
Image wisely - Answer-objective is to lower the amount of radiation used in medical
necessary imaging studies while eliminating unnecessary procedures
Example of radiant energy - Answer-the radiation produced from an x ray tube
Radiation protection - Answer-effective measures employed by radiation workers to
safeguard patients, personnel, and the general public from unnecessary exposure to
ionizing radiation
diagnostic efficacy - Answer-the degree to which the diagnostic study accurately reveals
the presence or absence of disease in a patient
fixed threshold - Answer-a dose level below which individuals would have no chance of
developing a disease
the radiation safety officer is responsible for what involving ALARA - Answer-- execution
-enforcement
-maintenance
when radiation is safety used in the imaging of patients.. - Answer-the benefit of the
exposure can be maximized while the potential risk in minimized
Ionization - Answer-the process of an atom gaining or losing an electron
Ionizing Radiation - Answer-Produces positively and negatively charged particles (ions)
when passing through matter
12 properties of x-rays - Answer-1) highly penetrating, invisible rays that are a form of
electromagnetic radiation
2) electrically neutral, not affected by electric or magnetic fields
3) can be produced over a wide variety of energies and wavelengths
4) release very small amounts of heat upon passing through matter
5) travel in straight lines
6) travel at the speed of light, 3x10^8 miles per second
7) can ionize matter
8) cause flourosence (emission of light) of certain crystals
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