Term
| How much of a films density is a result of x-Rays? |
|
Definition
|
|
Term
| How much are a films density is a result of light from crystals |
|
Definition
|
|
Term
|
Definition
| The force factor or penetrating ability of the radiation |
|
|
Term
| What are the different densities of tissue, highest to lowest |
|
Definition
|
|
Term
| A thicker body part has greater or lesser radiation absoption |
|
Definition
|
|
Term
| How is milliamperage related to the amount of radiation produced |
|
Definition
| Directly proportional, more milliamperes=more radiation |
|
|
Term
| How does increasing distance by double affect the radiation dose |
|
Definition
| Decreases it by one fourth |
|
|
Term
| What happens to scatter radiation as the volume of irradiated tissue increases |
|
Definition
|
|
Term
| How much of the scatter radiation does a grid absorb |
|
Definition
|
|
Term
| How can magnification be reduced |
|
Definition
|
|
Term
| How can you increase the sharpness of an image |
|
Definition
| Place the part as close to the IR as possible |
|
|
Term
| What is perhaps the greatest factor encountered that affects detail in medical imaging |
|
Definition
|
|
Term
| What is the unit that measures the biological affects of x, alpha, and gamma radiation on humans |
|
Definition
|
|
Term
| What is background radiation |
|
Definition
| Radiation that occurs naturally in the environment |
|
|
Term
| Radiation limits on students under 18 years old |
|
Definition
| .1 rem whole body dose in one year |
|
|
Term
| What is the dose limit on rad workers per year |
|
Definition
|
|
Term
| What is the dose limit for pregnant women |
|
Definition
| .5 for the entire gestation |
|
|
Term
| What is the most common process of energy transfer that occurs when ionizing radiation interacts with matter (usually occurs with low energy photons) |
|
Definition
|
|
Term
| What is characterized by an incoming photon interacting with an orbital electron and only a portion of the incident photons energy is transferred to the orbital electron |
|
Definition
|
|
Term
| Pair production occurs only in what level of enery |
|
Definition
|
|
Term
| What is the most radio sensitive cells in the body |
|
Definition
|
|
Term
|
Definition
| Effects in general body cells that affect all functioning accept reproduction, includes cancer, cataracts, and lifespan shortening |
|
|
Term
| What is the difference between internal and external sources of radiation exposure |
|
Definition
| X-rays are external while radionuclides are internal |
|
|
Term
| How are time, kg, and distance related to radiation exposure |
|
Definition
| They are directly related |
|
|
Term
|
Definition
| Controls the quantity or amount of radiation produced |
|
|
Term
| How does scatter radiation affect the patient and film |
|
Definition
| It is harmful to the patient and impairs the quality of the film |
|
|
Term
| What is the inverse square law |
|
Definition
| The intensity of the beam is inversely proportional to the square of the distance |
|
|
Term
| What is the minimum amount of filtration required for the x-Ray beam |
|
Definition
|
|
Term
| What are he three types of sheilding devices |
|
Definition
| Shadow, flat contact, and shaped contact |
|
|
Term
| How long should the cord to the portable machine be |
|
Definition
|
|
Term
| What are the three revenue producing departments in the hospital |
|
Definition
| Radiology, laboratory, pharmacy |
|
|
Term
| What percent of radiologic procedures are chest x-rays |
|
Definition
|
|
Term
| What are the three types of equipment service contracts |
|
Definition
| Original equipment manufacturers contact(oem), time and materials(t&m), and independent service organization(ISO) |
|
|
Term
| What is the life cycle cost |
|
Definition
| The acquisition cost plus maintenance |
|
|
Term
| What is the major cause of excessive exposure to patients |
|
Definition
| Repeat exposures due to positioning errors |
|
|
Term
| Who is the only person who can legally make a diagnosis from a radiograph |
|
Definition
|
|
Term
| What is just as important as the quality of the image produced |
|
Definition
| A complete medical history |
|
|
Term
|
Definition
|
|
Term
|
Definition
| A breach or failure to fulfill an expected standard of care |
|
|
Term
|
Definition
| The injured person bringing the suit |
|
|
Term
|
Definition
| The thing speaks for itself |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
| what is the law of bergonie and tribondeau |
|
Definition
| radiation is most damaging to rapidly dividing cells |
|
|
Term
| where is the center of gravity in a standing human being |
|
Definition
|
|
Term
| when lifting heavy objects from the floor |
|
Definition
| bend with your knees, not your back |
|
|
Term
| what do you wear in an isolation unit |
|
Definition
|
|
Term
| what is commonly used as an antiseptic in hospitals |
|
Definition
|
|
Term
| what are 2 things that will cause a person to be in protective isolation |
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
| chronic obstructive pulmonary disease |
|
|
Term
|
Definition
| kidney's, ureters, bladder |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
| the difference in densities on a processed image |
|
|
Term
|
Definition
| the opaqueness or degree of blackening on an area of the processed image |
|
|
Term
|
Definition
| the area of the anode in the x-ray tube from which x-rays emanate |
|
|
Term
|
Definition
| a device tha is place between the patient and the image receptor that absorbs scatter radiation that is exiting the body |
|
|
Term
|
Definition
| a device that is made of a photostimulable phosphor that absorbs teh photon energies exiting the patient: located inside the cassette |
|
|
Term
|
Definition
| the item that exits the patient, comprised of image-forming rays and scatter radiation |
|
|
Term
| which electrode is the electrode toward which negatively charged electrons migrate |
|
Definition
|
|
Term
| which electrode is the electrode toward which positively charged electrons migrate |
|
Definition
|
|
Term
|
Definition
| allows cross-sectional views of the body to be made without the use of ionizing radiation |
|
|
Term
| what is the type of sonography know as that is used to evaluate blood flow through the arteries |
|
Definition
|
|
Term
| what are the three types of contrast media used in radiography |
|
Definition
|
|
Term
| what are the two most common joints involved in an arthrogram procedure |
|
Definition
|
|
Term
|
Definition
| picture and archiving communication system |
|
|
Term
|
Definition
| the pattern of response of a living organism to some form of injury |
|
|
Term
|
Definition
| a state of complete physical, mental, and social well being, and not merely the absence of disease |
|
|
Term
|
Definition
|
|
Term
|
Definition
| occurrence of disease or conditions |
|
|
Term
| for ages 1-44 which of the following is the leading cause of death |
|
Definition
|
|
Term
| what are the three most recent, specific aspects of physical science tat helped pave the way for discovery of x-rays? |
|
Definition
| electricity, vacuums, and image recording materials |
|
|
Term
| who discovered x-ray and on what date? |
|
Definition
| wilhelm roengten on nov. 8, 1895 |
|
|
Term
| what are the three specific aspects in evaluation of performance? |
|
Definition
| psychomotor, affective, and cognitive |
|
|
Term
| how many units do rad techs have to have of continuing education every 2 years |
|
Definition
|
|
Term
| what are the life expectancies, highest to lowest |
|
Definition
| white female, black female, white male, black male |
|
|
