prelim

Question 1

Wavelength and Photon Energy, directly proportional or inversely proportional?

Answer 1

Inversely Proportional

Question 2

Particulate Radiation is aka

Answer 2

corpuscular radiation

Question 3

the only forms of ionizing electromagnetic radiation of radiologic interest

Answer 3

X-rays and Gamma rays

Question 4

study of the effects of ionizing radiation on biologic tissue

Answer 4

Radiobiology

Question 5

Electromagnetic Spectrum

Answer 5

Radiowaves, microwaves, infrared, visible light, ultraviolet rays, x-rays, gamma ray

Question 6

oscillating electric and magnetic fields that travel in a vacuum with the velocity of light

Answer 6

Electromagnetic Radiation

Question 7

Electromagnetic Radiation travels in what pattern?

Answer 7

wave-like pattern

Question 8

small “packets” of energy

Answer 8

photons

Question 9

carry energy in the form of kinetic energy or mass in motion

Answer 9

Particulate Radiation

Question 10

may be used to treat
cancer, by inserting tiny amounts of radium into the tumorous mass

Answer 10

Radium-226

Question 11

stream of atomic or subatomic particles that maybe charged positively (alpha particles) or negatively (beta particles) or not at all (neutrons)

Answer 11

Particulate Radiation

Question 12

Naturally Occurring alpha emitters have atomic numbers of at least

Answer 12

82: Lead

Question 13

• symbolized by the Greek letter α
• also called alpha ray or alpha radiation
• emitted from nuclei of very heavy
  elements such as uranium and plutonium during the process of radioactive decay

Answer 13

Alpha Particle

Question 14

transfer of energy

Answer 14

Radiation

Question 15

range of wavelengths over which
electromagnetic radiation extends

Answer 15

Electromagnetic Spectrum

Question 16

simply helium nuclei

Answer 16

Alpha Particle

Question 17

energy emitted and transferred through space than can either be in form of waves or particles is called what

Answer 17

Radiation

Question 18

difference between the various
types of electromagnetic radiation is what

Answer 18

amount of energy found in the photons

Question 19

treatment of thyroid disorders, such as cancer and graves disease (a type of hyperthyroidism)

Answer 19

iodine-131

Question 20

radiation with enough energy so that during an interaction with an atom, it can remove tightly bound electrons from the orbit of an atom, causing the atom to become charged or ionized.

Answer 20

Ionizing Radiation

Question 21

produced outside the
nucleus

Answer 21

X-rays

Question 22

Wavelength and Frequency, directly proportional or inversely proportional?

Answer 22

Inversely Proportional

Question 23

only difference between X-rays and Gamma rays

Answer 23

their origin

Question 24

charged particles

Answer 24

ions

Question 25

Classification of Radiation

Answer 25

Ionizing Radiation and Non Ionizing Radiation

Question 26

How many atomic mass and atomic number do alpha particle has

Answer 26

atomic mass of 4 and atomic number of 2

Question 27

Types Of Ionizing Radiation

Answer 27

1. Electromagnetic Radiation
2. Particulate Radiation
   2.1 Alpha Particle
   2.2 Beta Particle
   2.3 Neutron
   2.4 Positron

Question 28

do not have sufficient kinetic energy to eject electrons from the atom (ionization)

Answer 28

Non Ionizing Radiation

Question 29

emitted from the
nucleus of a radioisotope

Answer 29

Gamma rays

Question 30

speed of light

Answer 30

3 x 10^8m/s

Question 31

radiations that are classified as ionizing radiations

Answer 31

• X-rays
• Gamma Rays
• High-energy ultraviolet radiation (energy higher than 10eV)