positioning
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III
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chapter
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11
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part 2 projection exam questions with answers
/ // // // // // //
16. /
/Which /
/cranial /
/bone /
/is /
/best /
/demonstrated /
/with /
/an /
/AP //axial //(Towne //method) //projection //of //the //skull? //- //CORRECT //ANSWERS(S)✔✔Occipital
17. //When //using //a //30-
degree /
/caudad /
/angle /
/for /
/the /
/AP /
/axial /
/(Towne /
/method) /
/projection /
/of //the //skull, //which //positioning //line //should //be //perpendicular //to //the //image //receptor?
,A. //OML
B. //IOML
C. //GAL
D. //AML //- //CORRECT //ANSWERS(S)✔✔OML
18. //
A/
/properly /
/positioned //AP //axial //(Towne //method) //projection //should //place //the //dorsum //sellae //into //the
//middle //aspect //of //the:
A. //Orbits
B. //Clivus
C. //Foramen //magnum
D. //Anterior //arch //of //C1 //- //CORRECT //ANSWERS(S)✔✔Foramen //magnum
19. //
A/
/lack /
/of /
/symmetry /
/of /
/the /
/petrous /
/ridges /
/indicates //which //of //the //following //problems //with //a //radiograph //of //an //AP //axial //projection?
A. //Tilt
B. //Central //ray //angle
C. //Flexion //or //extension
D. //Rotation //- //CORRECT //ANSWERS(S)✔✔Rotation
,20. /
/If /
/the /
/patient /
/cannot /
/flex /
/the /
/head /
/adequately /
/for /
/the /
/AP /
/axial /
/(Towne /
/method) /
/projection, //the //technologist //could //place //the //__________________________ //perpendicular
//to /
/the /
/image /
/receptor /
/and /
/angle /
/the /
/central /
/ray //__________________________ //degrees //caudad. //- //CORRECT //ANSWERS(S)✔✔IOML; //37
21. /
/What /
/evidence /
/on /
/an /
/AP /
/axial /
/(Towne /
/method) /
/radiograph /
/indicates /
, /whether /
/the /
/correct /
/central /
/ray /
/angle /
/and /
/correct /
/head /
/flexion /
/were /
/used? //- /
/CORRECT /
/ANSWERS(S)✔✔Dorsum /
/sellae //and //posterior //clinoids //should //be //projected //into //the //foramen //magnum.
22. /
/What /
/central /
/ray /
/angle /
/should /
/be /
/used /
/for /
/the /
/PA /
/axial /
/(Haas /
/method) //projection //for //the //cranium? //- //CORRECT //ANSWERS(S)✔✔25 //degrees //cephalad
23. /
/Where /
/is /
/the /
/central /