Safety

Question 1

Radiation that exits the tube from the anode is called

Answer 1

Primary radiation

Question 2

The photon tissue interaction in radiography that results in total absorption of the X-ray photon and production of contrast in the image is

Answer 2

Photoelectric

Question 3

Photon tissue interaction produces a recoil electron and scattered photon in radiography

Answer 3

Compton

Question 4

SI unit for exposure in air

Answer 4

Air kerma

Question 5

SI UNIT for absorbed dose

Answer 5

Gray

Question 6

SI UNIT for equivalent dose

Answer 6

Sievert

Question 7

Si unit for effective dose

Answer 7

Sievert

Question 8

SI unit for radioactivity

Answer 8

Becquerel

Question 9

Refers to energy per unit mass absorbed by an object

Answer 9

GY(t)

Question 10

Amount of radiation deposited per unit length of tissue transverse by incoming photons is called

Answer 10

LET

Question 11

Weighting factor related to radiation effects in organs and tissue

Answer 11

WR

Question 12

Compton interaction

Answer 12

May produce a gray fog on the image lowering contrast

Question 13

Mutations are examples of

Answer 13

Genetic effects

Question 14

Effective dose limit is

Answer 14

50 mSv per year for occupationally exposed individuals

Question 15

Applicable to radiation therapy

Answer 15

Law of bergonie and tribondeau

Question 16

Causes 5% of the cellular response to radiation

Answer 16

Direct effect

Question 17

Radiation strikes the cytoplasm what occurs

Answer 17

Indirect effect