lesson 4

Question 1

area projected onto the patient and film

Answer 1

effective focal spot

Question 2

the real size of the focal spot

Answer 2

actual focal spot

Question 3

incorporated into x-ray targets to allow a larger area for heating while maintaining a small focal spot

Answer 3

line focus principle

Question 4

it is the variation of x-ray intensity along the longitudinal axis of the x-ray beam

Answer 4

anode heel effect

Question 5

anode has blank intensity

Answer 5

low

Question 6

cathode has blank intensity

Answer 6

high

Question 7

tissue or material that absorbs x-ray and appears bright on a radiograph

Answer 7

radiopaque

Question 8

tissue or material that transmits x-rays and appears dark on the radiograph

Answer 8

radiolucent

Question 9

study of diagnosis of disease through the use of radiologic medical imaging

Answer 9

radiologic pathology

Question 10

patient with dry cast

Answer 10

kVp +10

Question 11

patient with wet cast

Answer 11

kVp +20

Question 12

reducing scatter radiation and enhancing image contrast wherein the image receptor is moved 10-15cms, from the patient

Answer 12

air-gap technique

Question 13

AGE
BYBirth
4 months
3 years
6 years
8 years
13 years and above

Answer 13

MULTIPLYmAs
– 3 months 0.2
– 2 years 0.3
– 5 years 0.4
– 7 years 0.5
- 12 years 0.6
- original adult mAs