Factors that affect Xray Quantity

Question 1

xray quantity is _____ to the mAs

Answer 1

directly proportional

Question 2

when mAs is doubled the number of electrons striking the tube target is doubled and therefore the number of xray emitted is doubled

Answer 2

TAMA

Question 3

xray quantity varies rapidly with changes in ____

Answer 3

kVp

Question 4

the change in xray quantity is _______ to the square of the ratio of the kVp

Answer 4

proportional

Question 5

if ____ is doubled the xray intensity would increase by a factor of ____

Answer 5

kvp
4

Question 6

x ray intensity varies inversely with the square of the distance from the xray tube target

Answer 6

Distance

Question 7

this relationship is known as the inverse sqaure law

Answer 7

Distance

Question 8

xray imaging system have metal filters usaully _ to _ mm of ___ positioned in the useful beam

Answer 8

1to5
Aluminum

Question 9

the purpose of these ___ is to reduce the number of low energy xrays

Answer 9

Filters / Filtration

Question 10

____ contribute nothing useful to the image

Answer 10

Low energy xray

Question 11

they only increase he patient dose unnecessarily beacause they are absorbed in superficial tissues and do not penetrate to reach the image receptor

Answer 11

Low energy xray

Question 12

as the energy of an xray beam is increase the penetrability is also ____

Answer 12

Increased

Question 13

the penetrability of an xray beam is called

Answer 13

xray quality

Question 14

xray eith high penetrability are termed _____ and thosr with low penetrability are termed _____

Answer 14

high quality xray
low quality xray

Question 15

refers tot he ability of xrays yo penetrate deeper in tissue

Answer 15

Penetrability