Nmt

Front 1

Heavenly bodies such as the sun

Back 1

Cosmic

Front 2

(C-14)

Back 2

Carbon

Front 3

(K-14)

Back 3

Potassium

Front 4

term that is given to any atomic species characterized by the number of protons and neutrons

Back 4

Nuclides

Front 5

First to describe atoms

Back 5

Greeks

Front 6

This led to his conclusion that the atoms were mostly empty space and that it is like the solar system

Back 6

Ernest Rutherford

Front 7

Discovered by James Chadwick

Back 7

Neutron

Front 8

Nuclides with the same number of protons

Back 8

Isotopes

Front 9

Nuclides with the same number of neutrons

Back 9

Isotones

Front 10

Nuclides with the same atomic mass number

Back 10

Isobars

Front 11

same number of protons, neutrons, and atomic mass but with different energies

Back 11

Isomers

Front 12

antiparticles of neutrinothat has the same mass but different charge

Back 12

Antineutrino

Front 13

Proton deficiency may result to a negative beta particle or negatron

Back 13

Beta Decay

Front 14

charge will remain as negative

Back 14

positron

Front 15

doubly positive

Back 15

Alpha particles

Front 16

number of nuclear transformations per unit time

Back 16

Activity

Front 17

Certain time that will reduce the activity half to the initial

Back 17

Half-Life

Front 18

This term is used if the radioactive material is inside the body of the person- Reducing the remaining radioactivity inside the body of the patient to half of the initial- Can be dependent on the patient

Back 18

Biological Half-life

Front 19

Takes into consideration both biologic and physical half-life

Back 19

Effective Half-life

Front 20

is the amount of charges produced by anyone that exhibitsthe sign of radiation when it passes mass of air

Back 20

Exposure

Front 21

Number of ion pair produced per unit distancetravelled by a certain type of radiation in a certain medium

Back 21

Specific Ionization

Front 22

Maximum distance that a certain type of radiation can travel in a certain mediumbefore losing all its energy

Back 22

Range

Front 23

Secondary form of radiation- Happens when an electron is accelerated to another electron causing a repulsion

Back 23

Bremsstrahlung

Front 24

“Photoelectric absorption”

Back 24

Photoelectric Effect

Front 25

“all or nothing” process

Back 25

Photoelectric Effect

Front 26

high energy interacts with outer electron

Back 26

Compton Scattering

Front 27

low energy photon interacts with an inner electron a

Back 27

Photoelectric Effect

Front 28

high energy incident photon

Back 28

1.022MeV)

Front 29

Most common halide used is Bromine

Back 29

Silver bromide

Front 30

Film bridge advantage

Back 30

1. Inexpensive2. Portable3. Not sensitive to mechanical shock

Front 31

Disadvantages of film bridge

Back 31

1. Has limited area2. Sensitive to environmental conditions such as light

Front 32

Anong crystals na ginagamit sa scintillation

Back 32

Either organic or inorganic crystal,

Front 33

most commonly used inorganic crystal in Nuclear Medicine

Back 33

Sodium Iodide

Front 34

easily stopped by any material

Back 34

Alpha

Front 35

Easily stopped by low density material

Back 35

Beta

Front 36

discovered radioactivity,

Back 36

Henry Becquerel

Front 37

state which exists when everyradionuclide of a series is decaying at thesame rate at which it is being produced

Back 37

Radioactive Equilibrium

Front 38

is reached in ~4daughter half-lives

Back 38

Transient Equilibrium

Front 39

is reached in ~6half-lives of daughter

Back 39

Secular Equilibrium