Question 1

Which of the following shells in an atom would contain the least number of electrons?

Accepted Answer

A)  K 
B)  L 
C)  M 
D)  N 
A)  K 
B)  L 
C)  M 
D)  N

Question 2

In radiology,80,000 volts is converted to:

Accepted Answer

A)  0.125 volts. 
B)  125 volts. 
C)  80 kVp. 
D)  800 kVp. 
A)  0.125 volts. 
B)  125 volts. 
C)  80 kVp. 
D)  800 kVp.

Question 3

What term is applied to the distance from one crest to the next in a sine wave?

Accepted Answer

A)  Frequency 
B)  Amplitude 
C)  Velocity 
D)  Wavelength 
A)  Frequency 
B)  Amplitude 
C)  Velocity 
D)  Wavelength

Question 4

Which shell in the atom is most important in the production of x-rays?

Accepted Answer

A)  K 
B)  L 
C)  O 
D)  Q 
A)  K 
B)  L 
C)  O 
D)  Q

Question 5

The quantity of matter that makes up any physical object is called its:

Accepted Answer

A)  chemical identity. 
B)  nucleus. 
C)  atomic number. 
D)  mass. 
A)  chemical identity. 
B)  nucleus. 
C)  atomic number. 
D)  mass.

Question 6

The atomic number of an atom is represented by the number of:

Accepted Answer

A)  electrons. 
B)  protons. 
C)  neutrons. 
D)  protons and neutrons. 
A)  electrons. 
B)  protons. 
C)  neutrons. 
D)  protons and neutrons.

Question 7

When an electron is removed from an atom,the atom is said to be:

Accepted Answer

A)  radioactive. 
B)  a nuclide. 
C)  unstable. 
D)  ionized. 
A)  radioactive. 
B)  a nuclide. 
C)  unstable. 
D)  ionized.

Question 8

All electromagnetic energy moves through space at the same:

Accepted Answer

A)  wavelength. 
B)  frequency. 
C)  velocity. 
D)  sine wave. 
A)  wavelength. 
B)  frequency. 
C)  velocity. 
D)  sine wave.

Question 9

All elements have an atomic number. The atomic number represents the atom's:
1) mass.
2) density.
3) electrons.

Accepted Answer

A)  1 and 2 
B)  1 and 3 
C)  2 and 3 
D)  1, 2, and 3 
A)  1 and 2 
B)  1 and 3 
C)  2 and 3 
D)  1, 2, and 3

Question 10

One of the most important elements in radiology is:

Accepted Answer

A)  aluminum. 
B)  tungsten. 
C)  copper. 
D)  uranium. 
A)  aluminum. 
B)  tungsten. 
C)  copper. 
D)  uranium.

Question 11

How is the wavelength of a sine wave measured?

Accepted Answer

A)  The distance between the crest and the trough 
B)  The number of times per second that a crest passes a given point 
C)  The distance from one crest to the next crest 
D)  Multiply the velocity by the frequency 
A)  The distance between the crest and the trough 
B)  The number of times per second that a crest passes a given point 
C)  The distance from one crest to the next crest 
D)  Multiply the velocity by the frequency

Question 12

Electricity is produced when a magnet is moved around a conductor or the conductor is moved around the magnet. This process is called:

Accepted Answer

A)  kilovoltage. 
B)  amperage. 
C)  resistance. 
D)  electromagnetic induction. 
A)  kilovoltage. 
B)  amperage. 
C)  resistance. 
D)  electromagnetic induction.

Question 13

The penetrating power of an x-ray beam is determined by its energy as expressed in its:

Accepted Answer

A)  quantity. 
B)  velocity. 
C)  wavelength. 
D)  atomic number. 
A)  quantity. 
B)  velocity. 
C)  wavelength. 
D)  atomic number.

Question 14

The frequency of alternating current delivered by electrical utilities in the United States and Canada is:

Accepted Answer

A)  120 V. 
B)  120 kVp. 
C)  120 Hz. 
D)  60 Hz. 
A)  120 V. 
B)  120 kVp. 
C)  120 Hz. 
D)  60 Hz.

Question 15

The smallest possible unit of electromagnetic energy is the:

Accepted Answer

A)  photon. 
B)  electron. 
C)  nucleus. 
D)  atom. 
A)  photon. 
B)  electron. 
C)  nucleus. 
D)  atom.

Question 16

Which of the following would be considered characteristics of x-rays?
1) Travel in straight lines
2) Can cause a biological effect in tissue
3) Cannot be felt,seen,or heard

Accepted Answer

A)  1 and 2 
B)  1 and 3 
C)  2 and 3 
D)  1, 2, and 3 
A)  1 and 2 
B)  1 and 3 
C)  2 and 3 
D)  1, 2, and 3

Question 17

The unit used to measure the rate or volume of current flow is the:

Accepted Answer

A)  volt. 
B)  ampere. 
C)  ohm. 
D)  potential difference. 
A)  volt. 
B)  ampere. 
C)  ohm. 
D)  potential difference.

Question 18

The process of converting alternating current into direct current for x-ray production is called:

Accepted Answer

A)  rectification. 
B)  induction. 
C)  Ohm's law. 
D)  resistance. 
A)  rectification. 
B)  induction. 
C)  Ohm's law. 
D)  resistance.

Question 19

Which of the following particles are located in an orbit around the nucleus of an atom?

Accepted Answer

A)  Protons 
B)  Electrons 
C)  Neutrons 
D)  Positrons 
A)  Protons 
B)  Electrons 
C)  Neutrons 
D)  Positrons

Question 20

The term that applies to the quantity of electrons flowing through a circuit is:

Accepted Answer

A)  potential difference. 
B)  voltage. 
C)  frequency. 
D)  current. 
A)  potential difference. 
B)  voltage. 
C)  frequency. 
D)  current.

Exam 4: Basic Physics of Radiography

Which of the following shells in an atom would contain the least number of electrons?

In radiology,80,000 volts is converted to:

What term is applied to the distance from one crest to the next in a sine wave?

Which shell in the atom is most important in the production of x-rays?

The quantity of matter that makes up any physical object is called its:

The atomic number of an atom is represented by the number of:

When an electron is removed from an atom,the atom is said to be:

All electromagnetic energy moves through space at the same:

All elements have an atomic number. The atomic number represents the atom's: 1) mass. 2) density. 3) electrons.

One of the most important elements in radiology is:

How is the wavelength of a sine wave measured?

Electricity is produced when a magnet is moved around a conductor or the conductor is moved around the magnet. This process is called:

The penetrating power of an x-ray beam is determined by its energy as expressed in its:

The frequency of alternating current delivered by electrical utilities in the United States and Canada is:

The smallest possible unit of electromagnetic energy is the:

Which of the following would be considered characteristics of x-rays? 1) Travel in straight lines 2) Can cause a biological effect in tissue 3) Cannot be felt,seen,or heard

The unit used to measure the rate or volume of current flow is the:

The process of converting alternating current into direct current for x-ray production is called:

Which of the following particles are located in an orbit around the nucleus of an atom?

The term that applies to the quantity of electrons flowing through a circuit is:

Role of the Limited X-Ray Machine Operator

Introduction to Radiographic Equipment

Basic Mathematics for Limited Operators

X-Ray Production

X-Ray Circuit and Tube Heat Management

Principles of Exposure and Image Quality

Digital Image Receptor Systems

Scatter Radiation and Its Control

Formulating X-Ray Techniques

Radiobiology and Radiation Safety

Introduction to Anatomy, positioning, and Pathology

Upper Extremity and Shoulder Girdle

Lower Extremity and Pelvis

Spine

Bony Thorax, Chest, and Abdomen

Skull, Facial Bones, and Paranasal Sinuses

Radiography of Pediatric and Geriatric Patients

Image Evaluation

Ethics, Legal Considerations, and Professionalism

Safety and Infection Control

Assessing Patients and Managing Acute Situations

Medications and Their Administration

Medical Laboratory Skills

Additional Procedures for Assessment and Diagnosis

Bone Densitometry

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