Units of Radiation Measurement

Question 1

What are the 3 quantities of radiation measurment?

Answer 1

1. ) Exposure
2. ) Dose
3. ) Dose equivelant

Question 2

There are 2 equivalent systems of radiation measurement. What are they?

Answer 2

1. ) The Traditional System

2. ) The Standard International System (SI)

Question 3

What does SI stand for?

Answer 3

The Standard International System

Question 4

What system of radiation is better to use when possible?

Answer 4

Standard International System (SI)

Question 5

What are “R” and C/Kg, and what do they do?

Answer 5

1.) Roentgen
2.) Coulomb per kilogram
They measure exposure to ionizing radiation in the air.

Question 6

What does R stand for?

Answer 6

Roentgen

Question 7

What does C/Kg stand for?

Answer 7

Coulomb per kilogram

Question 8

What is C/Kg (Coulomb per kilogram)?

Answer 8

the SI equivalent of the roentgen

Question 9

What do Rad and Gy (Grey) do?

Answer 9

Measure absorbed dose.

Question 10

What is “absorbed dose”?

Answer 10

The amount of radiation absorbed by the tissues.

Question 11

What does Gy stand for?

Answer 11

Grey

Question 12

What does Rad stand for?

Answer 12

Radiation absorbed dose.

Question 13

What is the Rad (Radiation absorbed dose)?

Answer 13

Traditional unit of measurement for absorbed dose.

Question 14

What is Grey (Gy)?

Answer 14

The SI equivalent of Rad (Radiation absorbed dose).

Question 15

What do Rem and Sv do?

Answer 15

Measure dose equivalent

Question 16

What does Rem stand for?

Answer 16

Roentgen equivalent mammal

Question 17

What does Rem (Roentgen equivalent mammal) do?

Answer 17

The traditional unit used to equate the effects of different kinds of ionizing radiation on human tissue.

Question 18

What does Su stand for?

Answer 18

Sievert

Question 19

What is the Su (Sievert)?

Answer 19

The SI equivalent of Rem (Roentgen equivalent mammal)

Question 20

What does MPD stand for?

Answer 20

Maximum Permissible Dose

Question 21

What is the MPD (Maximum Permissible Dose)?

Answer 21

Dose equivalent of ionizing radiation that should not cause physical bodily damage in most people within their lifetime.

Question 22

What is the MPD (Maximum permissible dose) for operators?

Answer 22

5 rem per year

Question 23

What is the MPD (Maximum permissible dose) for the general public?

Answer 23

0.5 rem