Units of Radiation Measurement

Question 1

Traditional Units

Answer 1

Roentgen, Rad, Rem, and Curie

Question 2

International System (SI) Units

Answer 2

Coulomb/Kilogram, Gray, Siever, Becquerel

Question 3

The US uses which unit measurement system?

Answer 3

Traditional units

Question 4

Roentegen (R)

Answer 4

Traditional unit of in-air measurement

Question 5

Rad (Radiation absorbed dose)

Answer 5

Traditional unit of absorbed dose

Question 6

Rem

Answer 6

Traditional unit of equivalent dose

Question 7

Curie

Answer 7

Traditional unit of activity

Question 8

Coulombs/Kilogram (C/kg)

Answer 8

SI unit of in-air measurement

Question 9

Gray

Answer 9

SI unit of absorbed dose

Question 10

Sievert

Answer 10

SI unit of equivalent dose

Question 11

Becquerel

Answer 11

SI unit of activity

Question 12

Unit that measures the output of the x-ray machine

Answer 12

Roentgen (R); Coulomb/kilogram (C/kg)

Question 13

What does the unit of equivalent dose take into account of?

Answer 13

Different biological effects caused by different types of radiation

Question 14

Rad x Wr = ?

Answer 14

Equivalent dose (Rem)

Question 15

Radiation weighting factor (Wr) is used to do what?

Answer 15

Modify the absorbed dose amount to account for the greater damage inflicted by some forms of ionizing radiation

Question 16

Wr for x-rays and gamma rays =

Answer 16

1

Question 17

100 Rad of x-rays = ___ Rems

Answer 17

100 rem

Question 18

1 Sievert = ___ rem

Answer 18

100

Question 19

1 rem = ____ Sievert

Answer 19

1/100 Sievert

Question 20

1 gray = ___ rad

Answer 20

100 rad

Question 21

1 rad = ___ gray

Answer 21

1/100 gray

Question 22

Unit to measure the quantity of radioactive material

Answer 22

Curie/Becquerel

Question 23

Curie and Becquerel is primarily used which which field?

Answer 23

Nuclear Medicine