dental radiography part 1

Question 1

Who discovered X-rays and known as the father of Xrays

Answer 1

wilhelm conrad roentgen

Question 2

took the first dental radiograph on himself

Answer 2

dr otto walkhoff

Question 3

took the first dental radiograph using a living person

Answer 3

Dr. C. Edmund kells

Question 4

form of energy carried by waves or a stream of particles through space or material

Answer 4

radiation

Question 5

high energy radiation produced by the collision of a beam of electrons with a metal target in an x-ray tube

Answer 5

X-radiation

Question 6

a beam of energy that has the power to penetrate substances and record image shadows on receptors

Answer 6

X-ray

Question 7

radiology

Answer 7

the science or study of radiation as used in medicine

Question 8

image produced on a receptor by exposing the receptor to ionizing radiation and then processing it

Answer 8

radiograph

Question 9

ALARA stands for

Answer 9

As Low As Reasonably Achievable

Question 10

Provides regulation and standards for, equipment, facilities, quality insurance, protection of operator, patient, other workers

Answer 10

Safety code 30

Question 11

The radiation protection officer ensures that

Answer 11

all X-ray machines are safe.

X-ray machines are prescribed by regulations

Question 12

what is physics

Answer 12

scientific study of matter and energy

Question 13

what is matter

Answer 13

Anything that occupies space and has form or shape

Question 14

the matter is composed of

Answer 14

atoms grouped together in specific arrangements called molecules

Question 15

Energy is defined as

Answer 15

the capacity to do work.

Question 16

The atomic structure consists of two parts

Answer 16

central nucleus; protons+neutrons

orbiting electrons

Question 17

central nucleus

Answer 17

The dense core of the atom occupies very little space. include protons, neutrons

Question 18

The energy that holds the nucleus together is called

Answer 18

nuclear- binding energy

Question 19

orbiting electrons

Answer 19

Negatively charged

Have little mass

Question 20

The energy holding electrons, negatively charged particles, in their shells are known as

Answer 20

electron-binding energy

Question 21

the number of protons and neutrons in the nucleus of an atom determines

Answer 21

its mass number

protons+neutron = mass number

Question 22

the number of protons inside the nucleus equals the number of electrons outside the nucleus and determines

Answer 22

the atomic number

protons= electrons—-> atomic number

Question 23

electrostatic force

Answer 23

the attraction between protons and electrons

Question 24

centrifugal force

Answer 24

pulls electrons away from the nucleus

Question 25

the process by which certain unstable atoms or elements undergo spontaneous disintegration or decay in an effort to attain a more balanced nuclear state

Answer 25

radioactivity

Question 26

ionization

Answer 26

production of ions, or the process of converting an atom into ions

Question 27

particulate

Answer 27

tiny particles of matter that process mass that travel in straight lines and at high speeds

Question 28

beta particles

Answer 28

electrons emitted from. the nucleus of radioactive atoms

Question 29

cathode rays

Answer 29

high speed electrons that originate in an x-ray tube

Question 30

wavelike energy (without mass) through space or matter can be ionizing or nonionizing radiation

Answer 30

electromagnetic

Question 31

made up of protons that travel through space at the speed of light in a straight line with a wavelength motion

Answer 31

electromagnetic radiation

Question 32

velocity

Answer 32

the speed of the wave

Question 33

wavelength

Answer 33

the distance between the crest of one wave and the crest of the next

Question 34

frequency

Answer 34

number of wavelengths that pass a given point in a certain amount of time

Question 35

if the wavelength is short

Answer 35

the frequency will be high

Question 36

if the wavelength is long

Answer 36

the frequency will be low