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FOR THE PEIZOELECRIC CRYSTAL..
THE COMPRESSION FORCES DIPOLES CHANGE ORIENTATION INDUCES WHAT BETWEEN ELECTRODES?
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VOLTAGE
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TERMS:TOMOGRAPHY WITH EXPOSURE ANGLE OF 10 DEGREES OR LESS, WHICH RESULTS IN THICK SECTIONS OR ZONES OF TISSUE ON IMAGE
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ZONOGRAM
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TERMS:A RECIPE OR PROCEDURE FOR SOLVING A MATHEMATICAL PROBLEM BY A SERIES OF OPERATIONS THA MAY BE REPETITIVE
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ALGORITHM
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VIRTUAL COLONOGRAPHY NOW EMPLOYS WHAT AS ITS PRIMARY CONTRAST MEDIA USED IN CT?
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AIR
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IN ULTRASOUND..
THE STRESSES INVOLVED CAUSE STRETCHING TWISTING AND FINALLY, RUPTURE OF THE MEMBRANOUS TISSUE IS WHAT?
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MECHANICAL STRESSES
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WHO INTRODUCED THE FIRST COMMERCIAL STORAGE-PHOSPHOR BASED CR SYSTEM AND IN WHAT YEAR DID IT HAPPEN?
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FUJI,1883
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FILL IN:
STRUCTURES SHOULD INTENTIONALLY BE ORIENTED EITHER________OR ___________TO TOMO PLANE
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PARALLES OR PERPENDICULAR
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TERMS:THE SI UNIT OF MAGNETIC FIELD STRENGTH. THE CLASSIC UNIT IS GUASS(G). 1 TELSA=10,00 G
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TESLA
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TERMS: THE REDUCTION IN A AMPLITUDE AND INTENSITY AS SOUND TRAVELS THROUGH A MEDIUM
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ATTENUATION
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FILL IN..
THE CONTEMPORARY SCANNERS USE MULTIPLE DETECTORS IN AN ARRAY FROM 10 TO 2,000 THE ARE EITHER______ OR __________.
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GAS OR SCINTILLATION
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IN THE SECOND GENERATION SCANNERS WHAT IS THE PRINCIPLE ADVANTAGE?
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SPEED
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WHAT IS THE POINT OF AXIS ROTATION?
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FULCRUM
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THE SUBTRACTION FILM HAS HOW MANY NOTCHES IN THE UPPER RIGHT CORNER?
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TWO
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TERMS:DISPLAY IN WHICH SEVERAL VALUES OF SPOT BRIGHTNESS MAY BE DISPLAYED
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GRAY SCALE DISPLAY
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WHAT IS THE CONCENTRATION OF ENERGY IN A SOUND BEAM?
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INTENSITY
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WHAT IS THE NATURAL MATERIAL OF THE PEIZOELECTRIC CRYSTAL?
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QUARTZ
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TERMS:A FORCE CREATED WHEN A MAGNETIC DIPOLE IS IN A MAGNETIC FIELD
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MAGNETIC MOMENT
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WHAT IS THE PRIMARY DISADVANTAGE TO MAGNIFICATION FACTOR?
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PATIENT DOSE
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TERMS:A NUMBER PLACED ON THE PROCESSED IMAGE TO INDICATE THE LEVEL OF XRAY EXPOSURE RECEIVED BY THE IMAGING PLATE; INDICATES OVER-UNDER-EXPOSURE
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EXPOSURE INDICATOR
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TERMS:THE COMPONENTS OF A CT MACHINE USED TO PRODUCE AND COLLECT THE ATTENUATION INFORMATION
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DATA ACQUISITION SYSTEM(DAS)
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WHAT AGENT IS APPROVED IN THE U.S. FOR ROUTINE CLINICAL USE IN INRAVENOUS MRI?
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GADOLINIUM
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WHEN DEALING WITH PSP BASE SYSTEMS THE SENSITIVITY IS EQUAL TO WHAT
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200 SPEED
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WHAT WOULD MAKE AN MR STUDY A DANGEROUS EXAM FOR THE PATIENT?
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1.PACEMAKERS
2.ANEURYSM CLIPS
3.ANY METAL
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WHAT IS THE ACTIVE LAYER OF COMUTED RADIOGRPHY (CR)
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PSP (PHOTOSIMULABLE PHOSPHOR)
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WHAT IS A LAYOUT OF ROWS AND COLUMNS, USUALLY OF NUMBERS, IN BOXES OR CELLS.
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IMAGE MATRIX
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WHAT IS THE ANGLE OF ARC DECSRIBED BY THE MOVEMENT OF THE XRAY TUBE AND FILM DURING TOMOGRAPHY MOTION?
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EXPOSURE ANGLE
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WHAT IS THE MOST COMMON INGREDIENT IN PHOTOSTIMULABLE PHOSPHOR(PSP)
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BARIUM FLOUROHALIDE CRYSTALS
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WHAT DOES THE HISTOGRAM DISPLAY GRAPHICALLY?
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DISTRIBUTION OF PIXEL VALUES; EVALUATED TO DETERMINE THE ADEQUACY OF THE IMAGE EXPOSURE TO X-RAYS
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THE X-RAY TUBE MOTION PRODUCES WHAT IN RELATION TO THE FULCRUM?
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ANGULAR MOVEMENT (ARC)
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WHAT IS THE PURPOSE OF MRI?
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ACQUISITION OF SUPERIOR LOW CONTRAST RESOLUTION IMAGES
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SPIN DENSITY IS AN INDICATION OF WHAT?
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CONCENTRATION OF NUCLEI IN TISSUE
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WHICH COMPONENTS MOVE ON THE FULCRUM IMAGINARY PIVOT POINT?
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X-RAY TUBE AND IMAGE RECEPTOR
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HOW IS READI-CAT INTRODUCED THE PATIENT?
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1.10OZ 30 MIN PRIOR TO THE EXAM
2.WITH THE REMAINDER GIVEN(5 OZ) JUST PRIOR TO THE EXAM
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FOR THE THIRD GENERATION SCANNER WHAT DID THEY DO TO ALLEVIATE THE PROBLEM OF EXAM TIME?
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EMPLOYED A TUBE/DETECTOR ARRAY THAT ROTATES CONCENTRICALLY AROUND THE PATIENT
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SCHEDULING FOR CT SCANNING SHOULD BE CONCERNED WITH THE ABDOMINAL SCANS BEING DONE IN THE MORNINGS DUE TO WHAT?
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THE PT BEING NPO OVER NIGHT IN PREPARATION FOR THE EXAM
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