cranium projections

Question 1

part/position for lateral cranium

Answer 1

Recumbent or upright RAO or LAO, side of interest closest, MSP parallel, IP perpendicular, and IOML perpendicular to anterior border of collimation

Question 2

central ray and SID for lateral cranium

Answer 2

perpendicular and 40

Question 3

centering for lateral cranium

Answer 3

2 inches superior to the EAM

Question 4

collimation for lateral cranium

Answer 4

1/2 inch to 1 inch beyond superior, anterior, and posterior surfaces (12x10)

Question 5

marking for lateral cranium

Answer 5

side closest; anterior

Question 6

part/position for PA axial cranium (caldwell)

Answer 6

prone or upright, place OML perpendicular, MSP perpendicular

Question 7

central ray and SID for PA axial cranium (caldwell)

Answer 7

15 degrees caudal; 40

Question 8

centering for PA axial cranium (caldwell)

Answer 8

MSP; exit the nasion

Question 9

collimation for PA axial cranium (caldwell)

Answer 9

1/2 inch to 1 inch beyond superior, anterior, and posterior surfaces (10x12)

Question 10

marking for PA axial cranium (caldwell)

Answer 10

right marker, right side

Question 11

part/position for AP axial cranium

Answer 11

supine or upright, flex neck to place OML perpendicular

Question 12

what is the method name for the AP axial cranium

Answer 12

towne

Question 13

what is the 1st method name for the PA axial cranium

Answer 13

caldwell

Question 14

central ray and SID for AP axial cranium

Answer 14

30 caudal; 40

Question 15

centering for AP axial cranium

Answer 15

2.5 inch above the glabella (passing through EAM)

Question 16

collimation for AP axial cranium

Answer 16

1/2 inch to 1 inch beyond the superior, anterior, and posterior surfaces (10x12)

Question 17

marking for AP axial cranium

Answer 17

right marker; right side

Question 18

when IOML is perpendicular what angle do you use on the AP axial cranium

Answer 18

37 caudal

Question 19

what is the 2nd method name for the PA axial cranium

Answer 19

Haas (reverse towne)

Question 20

part/position for PA axial cranium (haas)

Answer 20

prone or upright, OML is perpendicular

Question 21

central ray and SID for PA axial cranium (haas)

Answer 21

25 cephalic; 40

Question 22

centering for PA axial cranium (haas)

Answer 22

enters 1.5 inferior to external occipital protuberance and exits 1.5 superior to the nasion (passes through EAM)

Question 23

collimation for PA axial cranium (haas)

Answer 23

1/2 inch to 1 inch beyond superior, anterior, and posterior surfaced (10x12)

Question 24

marking for PA axial cranium (haas)

Answer 24

right marker; right side

Question 25

method name for submentovertex cranium (SMV)

Answer 25

schuller “full basal”

Question 26

part/position for SMV cranium

Answer 26

upright, extend their head back until the top of head touches the bucky, IOML is parallel to the IR

Question 27

central ray and SID for SMV cranium

Answer 27

perpendicular to IOML; 40

Question 28

centering for SMV cranium

Answer 28

MSP; midway between the angles of the mandible, passes through a point of 3/4 inch anterior to the level of the EAM

Question 29

collimation for SMV cranium

Answer 29

1/2 inch beyond the shadow of the tip of the nose and 1 inch beyond the lateral borders (10x12)

Question 30

marking for SMV cranium

Answer 30

right marker; right side

Question 31

part/position for AP/PA cranium

Answer 31

prone/supine or upright, OML perpendicular

Question 32

central ray and SID for AP/PA cranium

Answer 32

perpendicular, 40

Question 33

collimation for AP/PA cranium

Answer 33

1/2 inch to 1 inch beyond superior, anterior, and posterior surfaces (10x12)

Question 34

marking for AP/PA cranium

Answer 34

right marker; right side