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XRAY
Question | Answer |
---|---|
THE FOLLOWING FACTORS THAT YOU WOULD SEE ON AN EXPOSURE CHART ARE WHAT | kVp AND PART THICKNESS IN (CM) |
WHAT IS THE PRINCIPAL SOURCE OF SCATTER RADIATION IN RADIOGRAPHY | THE PATIENT |
A SCATTERED PHOTON HAS BLANK ENERGY THAN THE INCOMING PRIMARY BEAM PHOTON. | LESS |
GRID CUT OFF WILL OCCUR WHEN WHAT HAPPENS | THE GRID IS TILTED AND THE (SID ) IS OUT OF FOCAL RANGE |
A GRID MUST BE USED WHEN THE BODY PART BECOMES LARGER THAN WHAT | 10- 12 CM |
THE EFFECTIVENESS OF A RADIOGRAPHIC GRID IS DETERMINED BY THE WHAT | GRID RATIO |
SCATTER RADIATION CAN BE CONTROLLED BY WHAT | GRIDS AND REDUCING FIELD SIZE |
THE FOLLOWING WILL AFFECT THE AMOUNT OF SCATTER RADIATION REACHING THE IMAGE RECEPTOR (IR) | HIGHER KVP, DENSE BODY PART, VOLUME OF TISSUE IRRADIATED |
THE NEGATIVE EFFECT OF SCATTER RADIATION REACHING THE IMAGE RECEPTOR IR IS CALLED WHAT | FOG |
THE FOLLOWING TELLS THE OPERATOR THAT THE CORRECT EXPOSURE HAS BEEN RECIEVED BY THE PHOSPHORS IN THE IMAGING PLATE | EXPOSURE INDICATOR NUMBER |
WHICH CONTROL ON THE VIEWING STATION CONTROL THE DENSITY ( BRIGHTNESS) IN THE RADIOGRAPHIC IMAGE | WINDOW LEVEL |
THE AMOUNT OF DETAIL OR SHARPNESS IN THE DIGITAL IMAGE IS TERMED AS WHAT | SPATIAL RESOLUTION |
THE VIEWING MONITORS ACTIVE VIEWING AREA IS CALLED A WHAT | MATRIX |
WHAT IS THE SIZE OF THE FLAT PANEL DETECTOR INSIDE THE TABLE OF A (DR ) SYSTEM | 17 X 17 INCHES |
WHEN A CR PLATE IS INSERTED INTO THE READER FOR PROCESSING, THE PHOSPHOR IS SCANNED WITH A WHAT | LASER BEAM |
ALL OF THE DIGITAL IMAGES MADE IN AN XRAY DEPT. ARE STORED IN A SYSTEM CALLED WHAT | PACS |
ONE OF THE MAJOR ADVANTAGES OF USING CR OR DR SYSTEMS IS THE | ABILITY TO SEE IMAGES VERY FAST |
DIGITAL IMAGING REQUIRES THAT THE EXPOSURE TECHNIQUE IS ACCURATELY SET. WHAT IS THE MOST CRITICAL OF THE EXPOSURE FACTORS | KVP |
WHEN USING CR COMPUTERIZED RADIOGRAPHY WHERE IS THE LATENT IMAGE STORED UNTIL IT IS PROCESSED | IN A PHOTOSTIMULABLE PHOSPHOR PLATE |
THE GEOMETRIC FACTORS THAT AFFECT THE FORMATION OF THE IMAGE ARE CALLED WHAT | SID, OID, FOCAL SPOT |
THE TERM USED IN THE NEW DIGITAL IMAGING ENVIRONMENT TO REPLACE DENSITY IS WHAT | BRIGHTNESS |
THE PRIMARY CONTROLLING FACTOR OF PENETRATION OF XRAYS IS | KVP |
QUANTUM MOTTLE IS TYPICALLY SEEN ON THE RADIOGRAPHIC IMAGE WHEN USING WHAT | HIGH MA, HIGH KVP & TECHNIQUES |
THE FOLLOWING WOULD BE CONSIDERED INVOLUNTARY MOTIONS | TREMORS, PERISTALSIS AND HEARTBEATS |
THE UNSHARP EDGES OF A BODY PART ARE REFERRED TO AS THE WHAT | PENUMBRA |
THE FOLLOWING ARE CONSIDERED A PART OF SHAPE DISTORTION | FORESHORTENING AND ELONGATION |
THE OVERALL CONTRAST SEEN IN THE RADIOGRAPHIC IMAGE IS REFERRED TO AS | RADIOGRAPHIC CONTRAST |
THE VARIATION IN TISSUE DENSITIES WITHIN THE PATIENT IS REFERRED TO AS THE WHAT | SUBJECT CONTRAST |
THE QUANTITY OR NUMBER OF PHOTONS PRODUCED PER SECOND DURING AN EXPOSURE IS CONTROLLED BY THE WHAT | MA |
IF THE INTENSITY OF THE XRAY BEAM IS 100MR AT AN SID OF 40 INCHES, WHAT IS THE INTENSITY IF THE SID IS CHANGED TO 48 INCHES | 69MR |
RADIOGRAPHIC CONTRAST IS CONTROLLED BY THE WHAT | KVP |
WHICH XRAY GENERATORS PRODUCE THE GREATEST AMOUNT OF XRAYS FOR THE SAME EXPOSURE TECHNIQUE | HIGH-FREQUENCY (HF) |
IN A HIGH FREQUENCY GENERATOR THE INCOMING 60 HZ ELECTRICAL FREQUENCY IS BROUGHT UP TO HOW HIGH OF A LEVEL | 6,000 HZ |
WHAT WILL HELP PROLONG THE LIFE OF AN XRAY TUBE THREE THINGS... | WARM UP THE ANODE EVERY MORNING, USE LOW MA SETTINGS WHENEVER POSSIBLE AND USE THE LOW SPEED ROTOR WHENEVER POSSIBLE |
HOW MANY HEAT UNITS (HU) ARE GENERATED ON A HIGH FREQUENCY (HF) GENERATOR IF AN EXPOSURE TIME OF 300MA,0.12 SEC, AND 95KVP IS USED | 3.420 HU |
WHAT IS THE HEAT UNIT ( HU) OF THE ANODE IF, 200 MA,0.10SEC,AND 80 KVP IS USED ON A SINGLE-PHASE GENERATOR | 1600 HU |
XRAY TUBES SHOULD UNDERGO THE WARM UP PROCEDURE AGAIN AFTER THEY HAVE BEEN IN IDLE FOR MORE THAN WHAT | 1 HOUR |
THE FOLLOWING CAN CAUSE TOO MUCH HEAT ON THE ANODE AND CAUSE IT TO CRACK AND FAIL | EXCESSIVE EXPOSURE ON A COLD TUBE AND A RAPID SERIES OF LARGE EXPOSURES |
WHAT IS VARIED AUTOMATICALLY WHEN USING AUTOMATIC CONTROL (AEC) | EXPOSURE TIME |
HOW MANY DETECTORS ARE CONTAINED IN AN AUTOMATIC EXPOSURE CONTROL (AEC) DEVICE IN AN XRAY TABLE | 3 DETECTORS |
FAILURE TO PROPERLY COLLIMATE WOULD BE WHAT TYPE OF ERROR | RADIATION SAFETY ERROR |
LEAVING A METALLIC OBJECT IN OR ON A PT.'S CLOTHING TO BE XRAYED IS WHAT TYPE OF ERROR | ESTHETIC ERROR |
LACK OF SPATIAL RESOLUTION (DETAIL) IS CONSIDERED WHAT TYPE OF ERROR | EXPOSURE FACTOR ERROR |
EXCLUSION OF SIGNIFICANT ANATOMY WOUOLD BE CONSIDERED WHAT TYPE OF ERROR | ANATOMY AND POSITIONING ERROR |
IT IS RECOMMENDED THAT ALL RADIOGRAPHIC MARKERS BE PLACED SO THEY ARE RECORDED ON THE IMAGE DURING THE EXPOSURE | TRUE |
HOW ARE HANDS AND FEET ORIENTED FOR VIEWING | FINGERS AND TOES POINTING UP TOWARD THE CEILING |
RADIOGRAPHS TAKEN IN BOTH AP AND PA PROJECTIONS SHOULD BE VIEWED AS THROUGH THE PT. WERE IN ANATOMIC POSITION | TRUE |
WHAT LEVEL OF LIGHT IS BEST FOR VIEWING RADIOGRAPHIC IMAGES | LOW LIGHT |
ANATOMIC TERM REFERS TO AIR-FILLED CAVATIES IN SOME BONES OF THE FACE AND CRANIUM ARE CALLED WHAT | PARANASAL SINUSES |
ABBREVIATION EAM TO REPRESENT | EXTERNAL AUDITORY MEATUS (EAM) |
WHICH POSITIONING LANDMARK IS LOCATED AT THE JUNCTION OF THE NOSE AND THE UPPER LIP | ACANTHION |
WHICH PT. BREATHING INSTRUCTIONS ARE NECESSARY FOR AN AP-PROJ OF THE ABDOMEN | STOP BREATHING AT THE END OF EXPIRATION |
BREATHING TECHNIQUE INSTRUCTIONS FOR RADIOGRAPHY OF THE RIBS BELOW THE DIAPHRAGM | STOP BREATHING AT THE END OF EXPIRTATION |
AP- PROJECTION OF CHEST IN THE LATERAL DECUBITUS POSITION PT. POSITIONS NECESSARY ARE WHAT | PT. LYING ON THEIR SIDE WITH BACK AGAINST THE IR |
TO PERFORM AN AP-PROJECTION OF THE CHEST IN THE LATERAL DECUBITUS POSITION WHICH ORIENTIONS OF CR AND IR ARE NECESSARY | CR= IS HORIZONTAL IR= IS VERTICLE |
BREATHING INSTRUCTIONS TO MAXIMIZE AMOUNT OF AIR IN THE LUNGS ON THE PA- PROJECTION OF THE CHEST | STOP BREATHING AFTER THE SECOND DEEP INSPITRATION |
WHAT IS THE PROPER PLACEMENT OF PT.'S ARMS FOR UPRIGHT LATERAL PROJECTION OF THE CHEST | RAISED OVER HEAD, HANDS GRASPING OPPOSITE ELBOWS |
TERM USED TO DESCRIBE A PROJECTION PRODUCED BY ANGLING THE CENTRAL RAY 10 DEGREES OR MORE ALONG THE LONG AXIS OF THE BODY OR PART | AXIAL PROJECTION |
WHAT BONES ARE IN THE FOREARM | RADIUS AND ULNA |
WHAT IS THE POSITION OF THE ARM WHEN PERFORMING THE AP PROJECTION OF THE FOREARM | ELBOW EXTENDED, WRIST AND ELBOW PARALLEL TO THE IR AND HAND SUPINATED |
WHAT IS THE RELATIONSHIP BETWEEN THE HUMERAL EPICONDYLES AND THE IR TO ACHIEVE A PROPER LATERAL PROJECTION OF THE HUMERUS | PERPENDICULAR |