RAD /
100
/ /
FINAL
/ /
EXAM
/ /
QUESTIONS WITH CORRECT ANSWERS
/ // // //
What /
/term //is //used //for //density //when //using //CR/DR? //- //CORRECT //ANSWERS(S)✔✔brightness
Define /
/radiographic /
/density //- /
/CORRECT /
/ANSWERS(S)✔✔the /
/amount /
/of //blackening //on //a //radiographic //image; //the //amount //of //image //receptor //exposure
Define /
/contrast //- /
/CORRECT /
/ANSWERS(S)✔✔the //difference //in //adjacent //shades //of //gray //in //a //radiographic //image
What /
/is /
/the /
/primary /
/controller /
/of //radiographic //density/image //receptor //exposure? //- //CORRECT //ANSWERS(S)✔✔mAs
,What //is //the //primary //controller //of //radiographic //contrast? //- //CORRECT //ANSWERS(S)✔✔kVp
Which //factor //controls //the //penetrating //power //of //the //x-
ray //beam? //- //CORRECT //ANSWERS(S)✔✔kVp
List //the //three //prime //factors //- //CORRECT //ANSWERS(S)✔✔mAs, //kVp, //SID
List /
/the /
/four /
/image //quality //factors //- //CORRECT //ANSWERS(S)✔✔density, //contrast, //detail, //and //distortion
How /
/many /
/possible /
/effects /
/were /
/there /
/for /
/the /
/mAs, /
/kVp, /
/and /
/SID /
/lab /
/exercises? /
/What /
/were /
/they? //- //CORRECT //ANSWERS(S)✔✔3; //increase //in //density, //decrease //in //density, //no //change
State //the //three //versions //of //the //mAs //formula //- //CORRECT //ANSWERS(S)✔✔mA //x //s //= //mAs
mA= //mAs/s
,s= //mAs/mA
When //converting //from //milliseconds //to //decimals //________ //by //__________
When /
/converting /
/from /
/decimals /
/to //milliseconds //________ //by //__________ //- //CORRECT //ANSWERS(S)✔✔divide; //1000
multiply; //1000
Calculate //mAs: //
1. //200 //mA, //.01s
2. //400 //mA, //2/5 //s
3. //150 //mA, //200 //ms //- //CORRECT //ANSWERS(S)✔✔1. //2 //mAs
2. //160 //mAs
3. //30 //mAs
Calculate //mA:
1. //30 //mAs, //3/20 //s
2. //150 //mAs, //200 //ms
3. //100 //mAs, //.25 //s //- //CORRECT //ANSWERS(S)✔✔1. //200 //mA
2. //750 //mA
3. //400 //mA
Calculate //time //in //ms, //reduced //fx, //fx/1000, //and //decimals
1. //100 //mAs, //100 //mA
, 2. //25 //mAs, //50 //mA
3. //30 //mAs, //300 //mA //- //CORRECT //ANSWERS(S)✔✔1. //1 //s, //1000 //ms, //1, //1000/1000, //1.0
2. //500 //ms, //1/2, //500/1000, //.5
3. //100 //ms, //1/10, //100/1000, //.1
What /
/are /
/the //
2 //main //points //of //the //mAs //lab //exercise? //- //CORRECT //ANSWERS(S)✔✔1. //mAs //has //a //direct,
//proportional //relationship //with //density
2. /
/to /
/maintain //density, //you //must //double //mA //and //halve //time //or //halve //mA //and //double //time
Describe /
/the /
/Rule /
/of /
/Reciprocity. /
/When /
/and //why //is //it //used? //- //CORRECT //ANSWERS(S)✔✔Different //combinations //of //mA //and //time,
//as /
/long /
/as /
/equal /
/same /
/mAs, /
/will /
/provide //similar //radiographic //density. //It //is //used //when //needing //shortest //exposure //time //or
//longer //exposure //time //and //same //mAs/density
What /
/is /
100
/ /
FINAL
/ /
EXAM
/ /
QUESTIONS WITH CORRECT ANSWERS
/ // // //
What /
/term //is //used //for //density //when //using //CR/DR? //- //CORRECT //ANSWERS(S)✔✔brightness
Define /
/radiographic /
/density //- /
/CORRECT /
/ANSWERS(S)✔✔the /
/amount /
/of //blackening //on //a //radiographic //image; //the //amount //of //image //receptor //exposure
Define /
/contrast //- /
/CORRECT /
/ANSWERS(S)✔✔the //difference //in //adjacent //shades //of //gray //in //a //radiographic //image
What /
/is /
/the /
/primary /
/controller /
/of //radiographic //density/image //receptor //exposure? //- //CORRECT //ANSWERS(S)✔✔mAs
,What //is //the //primary //controller //of //radiographic //contrast? //- //CORRECT //ANSWERS(S)✔✔kVp
Which //factor //controls //the //penetrating //power //of //the //x-
ray //beam? //- //CORRECT //ANSWERS(S)✔✔kVp
List //the //three //prime //factors //- //CORRECT //ANSWERS(S)✔✔mAs, //kVp, //SID
List /
/the /
/four /
/image //quality //factors //- //CORRECT //ANSWERS(S)✔✔density, //contrast, //detail, //and //distortion
How /
/many /
/possible /
/effects /
/were /
/there /
/for /
/the /
/mAs, /
/kVp, /
/and /
/SID /
/lab /
/exercises? /
/What /
/were /
/they? //- //CORRECT //ANSWERS(S)✔✔3; //increase //in //density, //decrease //in //density, //no //change
State //the //three //versions //of //the //mAs //formula //- //CORRECT //ANSWERS(S)✔✔mA //x //s //= //mAs
mA= //mAs/s
,s= //mAs/mA
When //converting //from //milliseconds //to //decimals //________ //by //__________
When /
/converting /
/from /
/decimals /
/to //milliseconds //________ //by //__________ //- //CORRECT //ANSWERS(S)✔✔divide; //1000
multiply; //1000
Calculate //mAs: //
1. //200 //mA, //.01s
2. //400 //mA, //2/5 //s
3. //150 //mA, //200 //ms //- //CORRECT //ANSWERS(S)✔✔1. //2 //mAs
2. //160 //mAs
3. //30 //mAs
Calculate //mA:
1. //30 //mAs, //3/20 //s
2. //150 //mAs, //200 //ms
3. //100 //mAs, //.25 //s //- //CORRECT //ANSWERS(S)✔✔1. //200 //mA
2. //750 //mA
3. //400 //mA
Calculate //time //in //ms, //reduced //fx, //fx/1000, //and //decimals
1. //100 //mAs, //100 //mA
, 2. //25 //mAs, //50 //mA
3. //30 //mAs, //300 //mA //- //CORRECT //ANSWERS(S)✔✔1. //1 //s, //1000 //ms, //1, //1000/1000, //1.0
2. //500 //ms, //1/2, //500/1000, //.5
3. //100 //ms, //1/10, //100/1000, //.1
What /
/are /
/the //
2 //main //points //of //the //mAs //lab //exercise? //- //CORRECT //ANSWERS(S)✔✔1. //mAs //has //a //direct,
//proportional //relationship //with //density
2. /
/to /
/maintain //density, //you //must //double //mA //and //halve //time //or //halve //mA //and //double //time
Describe /
/the /
/Rule /
/of /
/Reciprocity. /
/When /
/and //why //is //it //used? //- //CORRECT //ANSWERS(S)✔✔Different //combinations //of //mA //and //time,
//as /
/long /
/as /
/equal /
/same /
/mAs, /
/will /
/provide //similar //radiographic //density. //It //is //used //when //needing //shortest //exposure //time //or
//longer //exposure //time //and //same //mAs/density
What /
/is /