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Fluoroscopy /
/Study /
/Guide //Questions //With //Correct //Answers //
Using /
/fluoroscopy /
/to /
/position /
/patients /
/prior /
/to /
/taking /
/routine /
/radiographic /
/films /
/is______ /
/by /
/the /
/State /
/of /
/California, /
/Radiologic /
/Health //Branch //- //CORRECT //ANSWERS(S)✔✔Prohibited
(T/F) //Persons //who //have //been //instructed //in //the //safe //operation //of
//fluoroscopic /
/equipment /
/must /
/demonstrate /
/competency /
/at /
/their /
/place /
/of /
/employment /
/before /
/they /
/can /
/operate //fluoro //equipment //- //CORRECT //ANSWERS(S)✔✔True
Radiologists /
/must /
/hold: //- /
/CORRECT /
/ANSWERS(S)✔✔Radiology //supervisor //and //operator //license
Physicians /
/must /
/hold: //- //CORRECT //ANSWERS(S)✔✔Fluoroscopy //supervisor //and
//operator //license
(directly/ //indirectly) //Fluoroscopic //x-
ray /
During /
/digital /
/spot /
/filming, /
/the /
/mA /
/utilized /
/is /
/typically /
/between //___ //to //___ //mA: //- //CORRECT //ANSWERS(S)✔✔1-100 //mA
As //field //of //view //is //reduced //with //tighter //collimation,
1. //image //will //become //brighter
2. //image //will //not //become //brighter
3. //image //quality //will //be //improved
/image /
/quality //will //be //reduced //- //CORRECT //ANSWERS(S)✔✔ 2 //and // 3
Fluoroscopic /
/table /
/tilt /
/for /
/fixed /
/units /
/is /
/____degrees /
/to /
/the /
/upright /
/position /
/and /
/___ /
/degrees /
/in /
/the /
/Trendelenburg //position. //- //CORRECT //ANSWERS(S)✔✔90; //30.
The /
/exposure /
/rate /
/measured /
/at /
/the /
/panel /
/or /
/tabletop /
/shall /
/be /
/as /
/low /
/as /
/practicable /
/and /
a //dead-man //type //fluoroscopic //switch:
1. //terminates //the //exposure //when //pressure //is //applied
2. //terminates //the //exposure //when //pressure //is //released
/can /
/be //operated //by //the //foot //switch //- //CORRECT //ANSWERS(S)✔✔ 2
//and // 3
The /
/blurring /
/of /
/the /
/image /
/as /
/the /
/fluoroscopic /
/camera /
/is /
/moved /
/rapidly /
/during //
a /
/procedure /
/is //called //_________ //- //CORRECT //ANSWERS(S)✔✔Tube //Lag
A //fall-
off /
/in /
/brightness /
/at /
/the /
/periphery /
/(edges) /
/of //an //image //is //called: //- //CORRECT //ANSWERS(S)✔✔vignetting
Which //of //the //following //are //true?
1. //x-
ray /
/tube //may //be //energized //by //removing //the //interlocking //mechanism
/the /
/fluoroscopic //tube //can //be //energized //when //in //the //parked //position
/Must /
/be //interlocked //in //order //for //the //fluoroscopic //tube //to //be //energized
/none /
/of /
/the /
/above /
/are /
/true //- /
/and /
/protective //curtains/drapes //must //have //a //minimum //of //______ //mm //of
//_______ /
/equivalency /
/for /
/adequate /
/protection //- //CORRECT //ANSWERS(S)✔✔0.25 //mm; //Lead
The //cumulative //manual-
reset /
/timer /
/may //not //exceed //_______ //minutes //- //CORRECT //ANSWERS(S)✔✔ 5
(T/
F) /
/When /
/the /
/fluoroscopic /
/time /
/has //exceeded //a //predetermined //time, //the //cumulative //manual-reset
//timer //must //produce //an //audible //signal //and //interrupt //the //x-
ray //beam //- //CORRECT //ANSWERS(S)✔✔TRUE
Excessive //lighting //in //the //fluoro //room:
1. //helps //perceive //dim //images //brighter
2. //may //result //in //an //increase //in //technical //factors
3. //enhances //visualization //of //the //black //and //white //TV //images
/helps /
/properly /
/adjust /
/the /
/overall /
/luminescence //of //the //TV //image //- //CORRECT //ANSWERS(S)✔✔2.
//an //increase //in //technical //factors
Which //of //the //following //can //adjust //the //mottle //level //of //an //image?
1. //changing //mA
2. //changing //kVp
3. //changing //exposure //factors
/increasing /
/the /
/number /
/of /
/available /
/photons //- //CORRECT //ANSWERS(S)✔✔ALL //OF //THEM
Total /
/image /
/brightness /
/gain /
The /
/electrons /
/in /
/the /
/II /
/tube //are //sped //up //by: //- //CORRECT //ANSWERS(S)✔✔the //anode
The /
/anode /
/maintains //
a /
/high /
/potential /
/difference /
/of /
/about: //- //CORRECT //ANSWERS(S)✔✔25,000 //volts //(or // 25 //kVp)
The //increased //brightness //of //the //output //phosphor //is //due //to //which
//of //the //following?
1. //flux //gain
2. //minification //gain
3. //smaller //size //of //the //output //phosphor
/additional /
/energy /
/of /
/the /
/electrons /
/when /
/they /
/are /
/sped /
/in /
/up /
/in //the //II //tube //- //CORRECT //ANSWERS(S)✔✔ALL //OF //THEM
What /
/is /
/the /
/brightness /
/gain /
/of /
/an /
/Image /
/intensifier /
/that /
/has //
a /
/inch /
/input /
/phosphor, //
a /
/standard /
/which /
/measures /
/image /
/intensifier /
/performance. //- /
/CORRECT //ANSWERS(S)✔✔Conversion //Factor //(CF)
formula //for //CF //on //#
In /
/mag /
/mode, /
/the //FOV //is //_______. //- //CORRECT //ANSWERS(S)✔✔decreased
A /
/patient's /
/radiation /
/dose /
/is /
/(increased /
/or /
/decreased) /
/by /
/______ /
/times, /
/when /
/switching /
/from //
a /
/normal /
/mode /
/to //
a /
/6" //magnification //mode. //- //CORRECT //ANSWERS(S)✔✔increased
//by //2.25 //times
Formula //on //handout //question //27.b
Contrast /
/and /
/resolution /
/are /
/(increased /
/or /
/decreased) /
/with /
/Cesium /
/iodide /
/Image //intensifier //tubes //- //CORRECT //ANSWERS(S)✔✔increased
Resolution /
/with /
/cesium /
/comparing //
a /
/II /
/mode /
/to //
a /
/II /
/mode, /
/the /
/mode /
/is /
/used /
/to /
/view //a //larger //anatomic //area //and //is //considered //the //regular //non-
magnification //mode. //- //CORRECT //ANSWERS(S)✔✔True
(T/
F) /
/The /
/II /
/mode /
/is /
/considered /
/the /
/magnification /
/mode /
/and /
/this /
/uses /
/more /
/exposure /
/to /
/compensate /
/for /
/the /
/overall /
/decreased /
/brightness /
/of /
/the /
/image /
/and //lower //overall //quality //- //CORRECT //ANSWERS(S)✔✔True
Which /
/of /
/the /
/following /
/statements /
/concerning //
a /
/dual /
/mode //unit //in //the // 6 //inch //mode //with //ABC/AEC/AERC //are //true?
