Question 1

X-rays are produced

Accepted Answer

A)  from unstable atoms 
B)  using fast-moving electrons 
C)  using fast-moving atoms 
D)  using fast-moving metals 
A)  from unstable atoms 
B)  using fast-moving electrons 
C)  using fast-moving atoms 
D)  using fast-moving metals

Question 2

Wavelength is generally measured in

Accepted Answer

A)  hertz 
B)  feet 
C)  centimeters 
D)  meters 
A)  hertz 
B)  feet 
C)  centimeters 
D)  meters

Question 3

We are exposed to non-medical ionizing radiation everyday categorized as natural or background radiation.

Accepted Answer

A) True 
 B)False

Question 4

When considering the wave properties of electromagnetic radiation, the maximum height of a wave is

Accepted Answer

A)  wavelength 
B)  amplitude 
C)  frequency 
D)  velocity 
A)  wavelength 
B)  amplitude 
C)  frequency 
D)  velocity

Question 5

An ion pair is

Accepted Answer

A)  an electron and proton 
B)  a proton and neutron 
C)  an atom and the electron that was removed from it 
D)  an atom with an extra electron and an atom that is missing an electron 
A)  an electron and proton 
B)  a proton and neutron 
C)  an atom and the electron that was removed from it 
D)  an atom with an extra electron and an atom that is missing an electron

Question 6

Electromagnetic radiation

Accepted Answer

A)  has no mass 
B)  has significant mass 
C)  has varying amounts of mass 
D)  none of these 
A)  has no mass 
B)  has significant mass 
C)  has varying amounts of mass 
D)  none of these

Question 7

All radioactive elements occur naturally.

Accepted Answer

A) True 
 B)False

Question 8

In the formula E = hf, f represents

Accepted Answer

A)  Planck's constant 
B)  frequency 
C)  energy 
D)  electricity 
A)  Planck's constant 
B)  frequency 
C)  energy 
D)  electricity

Question 9

The process of removing an electron from an atom is

Accepted Answer

A)  annihilation 
B)  atomization 
C)  ionization 
D)  none of these 
A)  annihilation 
B)  atomization 
C)  ionization 
D)  none of these

Question 10

Gamma rays are produced

Accepted Answer

A)  from unstable atoms 
B)  using fast-moving electrons 
C)  using fast-moving atoms 
D)  using fast-moving metals 
A)  from unstable atoms 
B)  using fast-moving electrons 
C)  using fast-moving atoms 
D)  using fast-moving metals

Question 11

When the formula   is changed to   , the c represents the constant symbol for:

Accepted Answer

A)  wavelength 
B)  frequency 
C)  amplitude 
D)  the speed of light 
A)  wavelength 
B)  frequency 
C)  amplitude 
D)  the speed of light

Question 12

Half-life is

Accepted Answer

A)  the rate at which a radioactive material decays 
B)  half the time it takes for all the radioactivity to decay 
C)  the rate at which particulate radiation is emitted from a radioactive atom's nucleus 
D)  none of these 
A)  the rate at which a radioactive material decays 
B)  half the time it takes for all the radioactivity to decay 
C)  the rate at which particulate radiation is emitted from a radioactive atom's nucleus 
D)  none of these

Question 13

An object we see as black is _______________ all of the wavelengths of visible light.

Accepted Answer

A)  absorbing 
B)  diffusing 
C)  reflecting 
D)  changing 
A)  absorbing 
B)  diffusing 
C)  reflecting 
D)  changing

Question 14

When considering the wave properties of electromagnetic radiation, the number of waves that pass by a given point per second is

Accepted Answer

A)  wavelength 
B)  amplitude 
C)  frequency 
D)  velocity 
A)  wavelength 
B)  amplitude 
C)  frequency 
D)  velocity

Question 15

Half-life is defined as

Accepted Answer

A)  half the time it takes for all of the remaining atoms in an amount of a radioactive element to decay 
B)  half the time it takes for half the remaining atoms in an amount of a radioactive element to decay 
C)  the time it takes for half the remaining atoms in an amount of a radioactive element to decay 
D)  none of these 
A)  half the time it takes for all of the remaining atoms in an amount of a radioactive element to decay 
B)  half the time it takes for half the remaining atoms in an amount of a radioactive element to decay 
C)  the time it takes for half the remaining atoms in an amount of a radioactive element to decay 
D)  none of these

Question 16

In the formula E = hf, E represents

Accepted Answer

A)  Planck's constant 
B)  frequency 
C)  energy 
D)  electricity 
A)  Planck's constant 
B)  frequency 
C)  energy 
D)  electricity

Question 17

What is the frequency of electromagnetic radiation if the wavelength is 1 * 10-4 m?

Accepted Answer

A)  3 * 10-12 Hz. 
B)  3 *10-4 Hz. 
C)  3 *104 Hz. 
D)  3 * 1012 Hz. 
A)  3 * 10-12 Hz. 
B)  3 *10-4 Hz. 
C)  3 *104 Hz. 
D)  3 * 1012 Hz.

Question 18

All electromagnetic radiation travels at the same speed.

Accepted Answer

A) True 
 B)False

Question 19

Which of the following is NOT a source of manmade ionizing radiation?

Accepted Answer

A)  x-rays 
B)  radiopharmaceuticals used in nuclear medicine 
C)  gamma rays 
D)  all are mand made ionizing radiation 
A)  x-rays 
B)  radiopharmaceuticals used in nuclear medicine 
C)  gamma rays 
D)  all are mand made ionizing radiation

Question 20

Electromagnetic radiation has properties of a wave and a particle.

Accepted Answer

A) True 
 B)False

X-rays are produced

Wavelength is generally measured in

We are exposed to non-medical ionizing radiation everyday categorized as natural or background radiation.

When considering the wave properties of electromagnetic radiation, the maximum height of a wave is

An ion pair is

Electromagnetic radiation

All radioactive elements occur naturally.

In the formula E = hf, f represents

The process of removing an electron from an atom is

Gamma rays are produced

When the formula is changed to , the c represents the constant symbol for:

Half-life is

An object we see as black is _______________ all of the wavelengths of visible light.

When considering the wave properties of electromagnetic radiation, the number of waves that pass by a given point per second is

Half-life is defined as

In the formula E = hf, E represents

What is the frequency of electromagnetic radiation if the wavelength is 1 * 10-4 m?

All electromagnetic radiation travels at the same speed.

Which of the following is NOT a source of manmade ionizing radiation?

Electromagnetic radiation has properties of a wave and a particle.

Introduction to the Imaging Sciences

Structure of the Atom

The X-Ray Circuit

The X-Ray Tube

X-Ray Production

X-Ray Interactions With Matter

Image Production

Image Quality and Characteristics

Digital Image Receptors

Radiographic Exposure Technique

Scatter Control

Exposure Technique Selection

Film-Screen Imaging

Fluoroscopic Imaging

Additional Equipment

Computed Tomography

Filters

Exam 3: Electromagnetic and Particulate Radiation

X-rays are produced

Wavelength is generally measured in

We are exposed to non-medical ionizing radiation everyday categorized as natural or background radiation.

When considering the wave properties of electromagnetic radiation, the maximum height of a wave is

An ion pair is

Electromagnetic radiation

All radioactive elements occur naturally.

In the formula E = hf, f represents

The process of removing an electron from an atom is

Gamma rays are produced

When the formula is changed to , the c represents the constant symbol for:

Half-life is

An object we see as black is _______________ all of the wavelengths of visible light.

When considering the wave properties of electromagnetic radiation, the number of waves that pass by a given point per second is

Half-life is defined as

In the formula E = hf, E represents

What is the frequency of electromagnetic radiation if the wavelength is 1 * 10-4 m?

All electromagnetic radiation travels at the same speed.

Which of the following is NOT a source of manmade ionizing radiation?

Electromagnetic radiation has properties of a wave and a particle.

Introduction to the Imaging Sciences

Structure of the Atom

The X-Ray Circuit

The X-Ray Tube

X-Ray Production

X-Ray Interactions With Matter

Image Production

Image Quality and Characteristics

Digital Image Receptors

Radiographic Exposure Technique

Scatter Control

Exposure Technique Selection

Film-Screen Imaging

Fluoroscopic Imaging

Additional Equipment

Computed Tomography

Filters