Types of Radiation

Question 1

What is EMR?

Answer 1

Electromagnetic Radiation

Question 2

What is primary with the production of x-ray?

Answer 2

EM - Electromagnetic energy

Question 3

EMR energy is measured in what?

Answer 3

eV - electron volts

Question 4

1000 eV = what?

Answer 4

1 kiloelectron volt (KeV)

Question 5

EMR frequency is measured in what?

Answer 5

Hertz (Hz)

Question 6

EMR wavelength is measured in what?

Answer 6

Meters (M)

Question 7

X-ray has a ______ wavelength.

Answer 7

Very short

Question 8

X-ray has a ______ frequency.

Answer 8

high

Question 9

The rise and fall of a sine wave is called?

Answer 9

frequency

Question 10

Form one peak to the next peak (or any like point) is called?

Answer 10

A cycle

Question 11

The distance from one peak of the wave to the next peak is called?

Answer 11

wavelength

Question 12

All EMR travel at what?

Answer 12

The speed of light

Question 13

EMR have no _____ and travel in _____ called ______.

Answer 13

Mass
Bundles
Photons/quanta

Question 14

Photons travel in what form?

Answer 14

wavelength

Question 15

Photons have varying _____ and _____.

Answer 15

Wavelength

frequencies

Question 16

Photons/EMR lose intensity with what?

Answer 16

Increase in distance

Question 17

EMR/Photons are _______ or ________ depending on the ________.

Answer 17

Ionizing or nonionizing

wavelength

Question 18

Ionizing radiation has enough energy to “knock out” what?

Answer 18

electrons

Question 19

What must be done to remove and electron? It causes what?

Answer 19

Binding forces must be overcome

imbalance

Question 20

Ionizing radiation has a _____ wavelength and ____ frequency

Answer 20

Very short

high

Question 21

Wavelength and frequency are ________ related.

Answer 21

inversely

Question 22

A short wavelength and high frequency has what?

Answer 22

High energy

Question 23

What are two examples of EMR (short wavelength)?

Answer 23

X-ray

Gamma ray

Question 24

Nonionizing radiation does not have the energy to do what?

Answer 24

Remove electrons

Question 25

Nonionizing radiation has a _____ wavelength and a _____ frequency

Answer 25

Long | lower

Question 26

Examples of nonionizing EMR (long wavelength) are:

Answer 26

Visible light Infrared and ultraviolet light Radio, TV, microwaves, and heat

Question 27

What other radiation that is not on the electromagnetic but is ionizing?

Answer 27

particle radiation

Question 28

Particle radiation comes from what?

Answer 28

Decay of radioactive atom's nucleus

Question 29

What types of particle radiation are there? Are they both ionizing?

Answer 29

Alpha and beta | yes

Question 30

Particle radiation is ____ penetrating than an x-ray.

Answer 30

less

Question 31

Particle radiation is more or less harmful than x-ray?

Answer 31

more

Question 32

Radon gas produces what type of particle radiation?

Answer 32

alpha

Question 33

How is radon gas harmful?

Answer 33

When inhaled

Question 34

Measuring ionizing radiation is called?

Answer 34

dosimetry

Question 35

Dosimetry is performed by what?

Answer 35

A dosimeter

Question 36

What measures ionizing radiation in the air and is used to determine intensity of gamma and x-ray?

Answer 36

Roentgen (or Coulombs/kg - SI UNIT)

Question 37

What is rad?

Answer 37

Radiation absorbed dose?

Question 38

What is the SI Unit for RAD?

Answer 38

Gray (Gy)

Question 39

This measures the amount of radiation in the tissue?

Answer 39

Radiation absorbed dose (rad)/ Gray (Gy)

Question 40

1/1000th of a rad is a

Answer 40

millirad

Question 41

Used mostly for the biological effects of radiation to specific organs and tissues.

Answer 41

rad

Question 42

What is "rem"?

Answer 42

Radiation equivalent man (mammal)

Question 43

What is the SI unit for rem?

Answer 43

Sievert (Sv)

Question 44

This is used for radiation detection in reporting exposure.

Answer 44

rem

Question 45

1/1000th of a rem is what?

Answer 45

A millirem

Question 46

100 mrem = what?

Answer 46

1 mSv

Question 47

100 rem = what?

Answer 47

1 Sv

Question 48

What is a type of dosimeter worn on clothing?

Answer 48

Film badge

Question 49

What measures the biological affect from delayed exposure?

Answer 49

rem or Sv

Question 50

What are the equal measures in US measurements?

Answer 50

1 R = 1 rad = 1 rem

Question 51

What are the equal measures in SI units?

Answer 51

1 C/kg = 1 Gy = 1 Sv

Question 52

What measures the quantity of radioactive material such as uranium?

Answer 52

Curie (Ci)

Question 53

Altogether the average person gets _____ each year.

Answer 53

360 mrads

Question 54

What 3 types of natural radiation are there?

Answer 54

Cosmic Terrestrial (External terrestrial) Internal

Question 55

Natural radiation makes up what percentage of our yearly exposure?

Answer 55

82%

Question 56

Cosmic radiation comes from what?

Answer 56

Sun and stars

Question 57

Cosmic radiation increases where?

Answer 57

Higher altitudes | The farther the latitude from the equator

Question 58

Terrestrial comes from what?

Answer 58

Soil, rocks and mountains | bricks, wallboard, and cement made from above

Question 59

What comes from the decay of uranium?

Answer 59

Radon gas

Question 60

Radon gas is what percentage of our natural exposure?

Answer 60

55%

Question 61

Most internal radiation comes from what?

Answer 61

Ingestion of water and food

Question 62

What are the natural radioactive substances found in living tissue?

Answer 62

nuclides

Question 63

Man made radiation makes up what percentage of our yearly dose?

Answer 63

18%

Question 64

What is the larges source of manmade radiation?

Answer 64

Diagnostic x-ray

Question 65

What type of man made radiation is used for scanning procedures for diagnosis and therapeutic radiation?

Answer 65

Nuclear medicine

Question 66

What are the 4 types of man made radiation?

Answer 66

Diagnostic x-ray Nuclear medicine Consumer products Nuclear testing/reactors