X-Ray Unit 3 Vocabulary List
Order by
45 terms
Terms | Definitions |
|---|---|
 A | Currently, the base for film is made of: A. polyester B. glass C. cellulose nitrate D. cellulose triacetate |
| B | The main components of film are: A. base, emulsion, reflective layer, silver halide B. base, adhesive, emulsion, supercoat C. base, emulsion, phosphor, supercoat D. base, adhesive, emulsion, phosphor |
| C | This component of film was first made out of glass. Due to war, time and other factors it eventually was made out of polyester. A. Screen B. Film C. Base D. Supercoat |
| D | This is applied on the base layer before emulsion. A. blue dye B. supercoat C. phosphor D. adhesive |
| B | Composed of gelatin in which silver halide crystals are suspended. Distributes crystals evenly, permits light to travel through it, flexible enough to permit bending without distorting the chemical image: A. phosphor B. Emulsion C. supercoat D. cellulose nitrate |
| D | Diagnostic radiographic film with emulsion on both sides is termed: A. Duplitized B. Double Emulsion C. Double Coated D. All of the above |
| C | This was added to the base to ease eyestrain of the interpreting radiologist. A. Antifogging agents B. hardeners C. blue dye D. antibacterial agents |
| B | What is the correct order of the processing process: A. Fixer, Developer, Washer, Dryer B. Developer, Fixer, Washer, Dryer C. Developer, Washer, Fixer, Dryer D. Washer, Developer, Fixer, Dryer |
| A | The unwanted exposure of film by environment is called: A. chemical fog B. Trees C. Artifacts D. Dark Crescents |
| C | 3 causes of chemical fog are: A. developer temperature too high, time in developer is too long, concentration of chemicals is too weak B. Time in developer is too long, fixer temperature is too high, concentration of chemicals is too strong C. developer temperature is too high, time in developer is too long, concentration of chemicals is too strong D. Time in developer is too long, time in fixer is too long, chemicals are too strong |
| D | Primary cause for contamination is: A. Fixer is dirty B. Developer is weak C. Wash water is dirty D. Other chemicals have mixed with the developer |
| C | The image that is unseen on the film before processing is called: A. Manifest B. Visible C. Latent D. Duplitized |
| B | The image that is seen on the film after processing is called: A. Latent B. Manifest C. Hidden D. Duplitized |
| A | The layer of hard protective gelatin designed to prevent the layer underneath from being damaged by physical, chemical abuse. A. supercoat B. emulsion hardners C. emulsion D. reflective layer |
| D | The part of processing that is most affected by contamination is: A. Washing B. Drying C. Fixer D. Developer |
| B | The science of measuring film processing response and comparing it to the manufacturers specifications is called: A. penetromety B. sensitometry C. densitometer D. sensitometer |
| A | How fast something is working is called: A. speed B. reaction C. interaction D. efficiency |
| C | This refers to screen/film combination ability to change photon into light: A. Speed B. efficiency C. relative speed D. interaction speed |
| A | If a film has emulsion on both sides it is said to be: A. duplitized B. single image C. double thickness D. panchromatic |
| D | Dark Crescents, unexposed areas and Trees are known as film: A. exposures B. imperfections C. chemical fogging D. artifacts |
| B | A dark crescent is ______ density. A. decreased B. increased C. gray D. blocked |
| A | A dark crescent is caused by: A. over exposure due to pressure B. over exposure due to a paperclip C. over exposure due to static electricity D. under exposed fingernail marks |
| C | Unexposed areas are ______ because something is blocking the light: A. black B. gray C. white D. mottled |
| D | This artifact is caused by static electricity and happens in low humidity: A. dark crescent B. roller lines C. dust spots D. trees |
| B | When an artifact is caused by static electricity, the electricity is coming from: A. the person B. the cassette C. the radiographer D. the tube |
| B | A device found in a radiographic cassette that contains phosphors that convert x-ray energy into light, which then exposes the radiographic film is called: A. Rare Earth Elements B. Intensifying Screen C. Film D. Film Screen Contact |
| A | This is used to reduce exposed silver halide to metallic silver and to add electrons to exposed silver halide: A. Developer B. Fixer C. Phosphor D. Luminescence |
| C | This is used to clear undeveloped silver halide from the film: A. developer B. washing C. fixer D. intensifying screen |
| D | If you have areas of poor sceen/film contact your image will: A. have larger areas of light B. less exposed areas C. areas with less density D. areas with increased density |
| D | Why is silver reclamation VERY important? A. Fixer overflow is toxic and should never be dumped B. Recovery is feasible from a financial standpoint C. Due to the Water Control Act of 1972, the Resources Conservation Hazardous Waste Act of 1976, the Clean Water Act of 1984 & the Resource Conservation and Recovery Act of 1986, it is against the law if we don't. D. All of the above |
| D | Why is film identification very important? A. So we know who the patient is on the film B. So we know which radiographer took the film C. Because the film is a legal document and becomes part of a patients permanent medical record. D. All of the above |
| D | Why is film storage very important? A. Because film is affected by age B. Because film is affected by heat & humidity C. Because film is affected by light, radiation and handling D. All of the above |
| B | The material that is sensitive to radiation and light in the film's emulsion layer is called: A. phosphor B. silver halide C. calcium tungstate D. rare earth |
| C | A common phosphor material that consists of some element that ranges in atomic number from 57-71 on the periodic table is called: A. silver halide B. calcium tungstate C. rare earth D. phosphor |
| B | This phosphor material emits blue light, has an x-ray to light conversion efficiency of about five percent is called: A. calcium nitrate B. calcium tungstate C. rare earth D. All of the above |
| C | This form of processing is still widely used and the Time/Temperature method is standard procedure. Developer is 5 minutes @ 68 degrees is called: A. Automatic Processing B. Time/Temp Method (TTM) Processing C. Manual Processing D. Independent Processing |
| A | This form of processing is designed to function at a higher temperature with 90 seconds being the usual cycle is called: A. Automatic Processing B. Time/Temp Method (TTM) Processing C. Manual Processing D. Independent Processing |
| B | Automatic processors have 5 main stages they are: A. transport system, transport racks, replenishment system, circulation system & drying system B. transport system, dryer system, replenishment system, circulation system & temperature control system C. transport system, circulation system, dryer system, temperature control system & crossover network D. Transport system, circulation system, dryer system, replenishment system & drive system |
| C | During film processing chemicals get depleted through chemical reactions, oxidation and evaporation. To solve this problem we use a : A. Maintenance system B. Refill system C. Replenishment system D. Circulation system |
| D | This type of replenishment system is used for low volume units: A. Flood replenishment B. Volume replenishment C. Timed or Standby replenishment D. Both A&C |
| B | This type of replenishment system is used for high volume units: A. Flood replenishment B. Volume replenishment C. Timed or Standby replenishment D. Both A & C |
| C | The safeness of the darkroom environment is controlled by three factors: A. Pass box, good ventilation & periodic test of the safelight environment B. Type of entrance, good ventilation & working in teams C. Wattage of bulb, Type of filter and distance of light from work area D. All of the above |
| A | Refers to the ability of phosphors to emit visible light only while exposed to x-rays is called: A. fluorescence B. phosphorescence C. luminescence D. all of the above |
| B | This occurs when screen phosphors continue to emit light after the x-ray exposure has stopped: A. fluorescence B. phosphorescence C. luminescence D. all of the above |
| ******* | Detail Extremity Screens..... going to follow up with Monica on this one... does she mean direct exposure film with and extremity screen??? |
First Time Here?
Welcome to Quizlet, a fun, free place to study. Try these flashcards, find others to study, or make your own.