EXP ch 4

Question 1

size distortion

image is _____ than actual shape

3 types-

Answer 1

image is larger than actual shape

3 types- foreshortening, elongation,spatial resolution

Question 2

shape distortion- what

aka

Answer 2

misrep of true shape of image compared to obj aka true disortion

Question 3

xray shape

Answer 3

cone

Question 4

central ray

Answer 4

phton in exact center

Question 5

ideal relationshio

Answer 5

obj is paralle to film, CR is perp to the obj, and CR is perp to film with CR centered to obj

Question 6

foreshortening

Answer 6

when obj is angled but cr is perp

Question 7

elongation

Answer 7

obj is parallel to film or onj angled and cr perp

Question 8

cr direclty over object to minimize ___distortion

Answer 8

shape

Question 9

spatial resolutioin

Answer 9

3d relationship of body parts is distorted by an angle of CR

Question 10

obj with large oid will appera to move on radiograph, in same direction as CR aka _____

Answer 10

spatial resolution

Question 11

Know pg 43 diagram

Answer 11

Know