Lecture Questions

Question 1

increasing mA =

Answer 1

darker image or increasing the density

Question 2

Decreasing the mA=

Answer 2

lowers the density of the image

Question 3

when we change kVp setting what are we changing

Answer 3

penetrating power

Question 4

Higher kVp allows for _____ mAs settings = ______ exposure time

Answer 4

lower
shorter

Question 5

range of kV on machine

Answer 5

40 to 125 kV

Question 6

A radiograph in front of you appears dark. You see that the bones are gray. What is the best step you can do for the next radiograph?

Answer 6

decrease kVp

Question 7

The exposure factor that is responsible for accelerating the electrons from the cathode to anode is __________________.

Answer 7

kVp

Question 8

The temperature of the cathode filament is controlled by which of the exposure factors?

Answer 8

mA

Question 9

If a radiograph is too light, and the image appears underpenetrated, you should

Answer 9

increase kVp

Question 10

If a radiograph is too dark, but the image shows adequate penetration you should

Answer 10

decrease mA

Question 11

rule out _____ first when deciding what to change to get a better radiograph

Answer 11

kVp

Question 12

if bones are gray, too much

Answer 12

kVp

Question 13

if organs are too light and you can’t see clearly enough, too little

Answer 13

kVp