RA 220 Exam Questions With Correct Answers.

LRA /




220 Exam Questions With Correct Answers
/ // // // // //




How /
/much /


/central /


/ray /


/(CR) /


/angulation /


/(if /


/any) /


/should /


/be /


/used /


/for /


/an //AP //projection //of //the //toes? //- //CORRECT //ANSWERS(S)✔✔10° //to //15° //toward //calcaneus




T/
F //
A/
/correctly /


/positioned /


/AP /


/45° /


/medial /


/oblique /


/ankle /


/projection /


/frequently /


/may /


/also /


/demonstrate //


a/
/fracture //of //the //base //of //the //fifth //metatarsal //if //present. //- //CORRECT //ANSWERS(S)✔✔True

,Which /
/of //the //following //projections //of //the //ankle //will //best //demonstrate //the //open //joint //space //of


//the //lateral //aspect //of //the //ankle //joint? //- //CORRECT //ANSWERS(S)✔✔AP //mortise //projection




To /
/decrease /


/the /


/angle /


/between /


/the /


/anterior /


/surface /


/of /


/the /


/foot /


/and /


/anterior /


/surface //of //the //lower //leg //is //described //as: //- //CORRECT //ANSWERS(S)✔✔Dorsiflexion




What /
/CR /


/angulation /


/is /


/required /


/for /


/the /


/AP /


/oblique /


/projection //of //the //foot? //- //CORRECT //ANSWERS(S)✔✔CR //is //perpendicular //to //the //IR




How /
/much /


/CR /


/angulation /

, /to /
/the /


/long /


/axis /


/of /


/the /


/foot /


/is /


/required /


/for //the //plantodorsal //(axial) //projection //of //the //calcaneus? //- //CORRECT //ANSWERS(S)✔✔40°




How /
/much /


/rotation /


/from /


/an /


/AP /


/position /


/of /


/the /


/ankle /


/will //typically //produce //an //AP //mortise //projection? //- //CORRECT //ANSWERS(S)✔✔15° //to //20°




The /
/purpose /


/of /


/the //AP //stress //views //of //the //ankle //is //to //demonstrate: //- //CORRECT //ANSWERS(S)✔✔possible


//joint //separations //or //ligament //tear




A/
/radiograph /


/of /


/an /


/AP /


/medial /