facial bone projections

Question 1

part/position for lateral facial bones

Answer 1

RAO/LAO, prone or upright facing bucky, IOML perpendicular to anterior border of collimation/IR

Question 2

central ray and SID for lateral facial bones

Answer 2

perpendicular, 40

Question 3

centering for lateral facial bones

Answer 3

entering the zygomatic bone, halfway between the outer canthus and the EAM

Question 4

collimation for lateral facial bones

Answer 4

1 inch beyond tip of nose, 1/2 inch above the supraorbital margins to 1/2 inch below the tip of the chin (6x10)

Question 5

marking for lateral facial bones

Answer 5

lead marker of side closest, anterior

Question 6

method name for PA axial facial bones

Answer 6

caldwell

Question 7

part/position for PA axial facial bones

Answer 7

prone or upright, OML perpendicular

Question 8

central ray and SID for PA axial facial bones

Answer 8

15 caudal, 40

Question 9

centering for PA axial facial bones

Answer 9

MSP, exiting the nasion

Question 10

collimation for PA axial facial bones

Answer 10

1/2 inch to 1 inch beyond the lateral shadows, to include the supraorbital margins and the tip of the chin (8x10)

Question 11

marking for PA axial facial bones

Answer 11

right marker, right side

Question 12

method name for parietoacanthial facial bones

Answer 12

waters

Question 13

part/position for parietoacanthial facial bones

Answer 13

prone or upright, OML forms an angle of 37 degrees from the plane of the IR

Question 14

central ray and SID for parietoancanthial facial bones

Answer 14

perpendicular, 40

Question 15

centering for parietoacanthial facial bones

Answer 15

MSP, exiting the acanthion

Question 16

collimation for the parietoacanthial facial bones

Answer 16

1/2 inch to 1 inch beyond lateral shadows to include the supraorbital margins and the tip of the chin (8x10)

Question 17

marking for parietoacanthial facial bones

Answer 17

right marker, right side

Question 18

method name for parietoacanthial facial bones (modified)

Answer 18

modified waters

Question 19

part/position for modified waters

Answer 19

upright, prone, extend head back so that OML forms an angle of 55 degrees from the plane of the IR

Question 20

centering for modified waters

Answer 20

MSP, exiting the acanthion

Question 21

collimation for modified waters

Answer 21

1/2 inch to 1 inch beyond lateral shadows to include the supraorbital margins and the tip of the chin (8x10)

Question 22

marking for modified waters

Answer 22

right marker, right side

Question 23

part/position for lateral facial/nasal bones

Answer 23

prone, RAO/LAO, IOML perpendicular to anterior border of collimation

Question 24

central ray and SID for lateral facial/nasal bones

Answer 24

perpendicular, 40

Question 25

centering for lateral facial/nasal bones

Answer 25

1/2 inch distal to the nasion

Question 26

collimation for lateral facial/nasal bones

Answer 26

1/2 inch distal to tip of nose, glabella to 1 inch inferior to the acanthion (3x3)

Question 27

marking for lateral facial/nasal bones

Answer 27

lead marker of side closest, anterior