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Test Bank Radiologic Science for Technologists, 11th Edition by Stewart C. Bushong

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Test Bank Radiologic Science for Technologists, 11th Edition by Stewart C. Bushong

Test Bank Radiologic Science for Technologists, 11th Edition by Stewart C. Bushong

Chapter 01: Essential Concepts of Radiologic Science

 

Bushong: Radiologic Science for Technologists: Physics, Biology, and Protection, 11th Edition

 

 

MULTIPLE CHOICE

 

  1. Matter is measured in                       .
  2. kilograms
  3. joules
  4. electron volts
  5. rems

ANS: A

Matter is measured in kilograms.

 

DIF:    Easy               REF: p. 3                OBJ: Recognize the unit of measurement for matter.

 

  1. Energy is measured in                        .
  2. kilograms
  3. joules
  4. electron volts
  5. B or C

ANS: D

Energy is measured in joules or electron volts.

 

DIF:    Moderate        REF: p. 4                OBJ: Recognize the unit of measurement for energy.

 

  1. Atoms and molecules are the fundamental building blocks of                       .
  2. energy
  3. radiation
  4. matter
  5. gravity

ANS: C

Atoms and molecules are the fundamental building blocks of matter.

 

DIF:    Moderate        REF: p. 3                OBJ: List the fundamental building blocks of matter.

 

  1. Ice and steam are examples of two forms of                       .
  2. matter
  3. radiation
  4. energy
  5. work

ANS: A

Ice and steam are examples of two forms of matter.

 

DIF:    Difficult         REF: p. 4                OBJ: Describe states of matter.

 

  1. The formula E=mc2 is the basis for the theory that led to the development of                     .
  2. x-rays
  3. electromagnetic radiation
  4. nuclear power
  5. cathode ray tubes

ANS: C

The formula E=mc2 is the basis for the theory that led to the development of nuclear power.

 

DIF:    Difficult         REF: p. 5                OBJ: Understand the theory of energy-mass equivalence.

 

  1. Radio waves, light, and x-rays are all examples of                    energy.
  2. nuclear
  3. thermal
  4. electrical
  5. electromagnetic

ANS: D

Electromagnetic energy includes radio waves, light, and x-rays as well as other parts of the spectrum.

 

DIF:    Difficult         REF: p. 4                OBJ: List types of electromagnetic energy.

 

  1. A moving object has                         energy.
  2. potential
  3. kinetic
  4. nuclear
  5. electromagnetic

ANS: B

A moving object has kinetic energy.

 

DIF:    Moderate        REF: p. 4                OBJ: Identify various forms of energy.


  1. What is the removal of an electron from an atom called?
  2. Ionization
  3. Pair production
  4. Irradiation
  5. Electricity

ANS: A

The removal of an electron from an atom is called ionization.

 

DIF:    Moderate        REF: p. 5                OBJ: Understand ionization of matter.

 

  1. Ionizing radiation is capable of removing                          from atoms as it passes through the matter.
  2. neutrons
  3. protons
  4. electrons
  5. ions

ANS: C

Ionizing radiation is capable of removing electrons from atoms as it passes through the matter.

 

DIF:    Moderate        REF: p. 5

OBJ: Describe the process of ionization by ionizing radiation.

 

  1. The energy of x-rays is                        .
  2. thermal
  3. potential
  4. kinetic
  5. electromagnetic

ANS: D

X-rays are a form of electromagnetic energy.

 

DIF:    Difficult         REF: p. 5                OBJ: List the category of energy of x-rays.

 

  1. The biggest source of man-made ionizing radiation exposure to the public is                              .
  2. atomic fallout
  3. diagnostic x-rays
  4. smoke detectors
  5. nuclear power plants

ANS: B

Medical x-ray exposure is the biggest source of man-made radiation.

 

DIF:    Difficult         REF: p. 6

OBJ: Understand the relative intensity of ionizing radiation from various sources.

 

  1. In the United States, we are exposed to                  mR/year of ionizing radiation from the natural environment.

a.    0–5

b.    5–20

c.    20–90

d.    100–300

ANS: C

We are exposed to 20–90 mR/yr of ionizing radiation from natural environmental sources in the United States.

 

DIF:    Difficult         REF: p. 6

OBJ: Understand the amount of natural environmental ionizing radiation to which the public is exposed in the United States.

 

  1. The basic quantities measured in mechanics are                  ,                   , and                   .
  2. volume, length, meters
  3. mass, length, time
  4. radioactivity, dose, exposure
  5. meters, kilos, seconds

ANS: B

The basic quantities measured in mechanics are mass, length, and time.

 

DIF:    Easy               REF: p. 12              OBJ: List the basic quantities measured in mechanics.

 

  1. An example of a derived quantity in mechanical physics is a                  .
  2. meter
  3. second
  4. dose
  5. volume

ANS: D

Volume is a derived unit.

 

DIF:    Moderate        REF: p. 12              OBJ: Recognize an example of a derived quantity.


  1.                      is a special quantity of radiologic science.
  2. Mass
  3. Velocity
  4. Radioactivity
  5. Momentum

ANS: C

Radioactivity is a special quantity of radiologic science.

 

DIF:    Easy               REF: p. 14

OBJ: Recognize radioactivity as a special quantity of radiologic science.

 

  1. Exposure is measured in units of                       .
  2. becquerel
  3. sieverts
  4. meters
  5. grays

ANS: D

Exposure is measured in units of grays.

 

DIF:    Moderate        REF: p. 14              OBJ: Understand units of radiation measurement.

 

  1. Today, radiology is considered to be a(n)                       occupation.
  2. safe
  3. unsafe
  4. dangerous
  5. high-risk

ANS: A

Today, radiology is considered to be a safe occupation because of effective radiation protection practices.

 

DIF:    Moderate        REF: p. 10              OBJ: Understand the risk of an occupation in radiology.

 

  1. What does ALARA mean?
  2. All Level Alert Radiation Accident
  3. As Low As Reasonably Achievable
  4. Always Leave A Restricted Area
  5. As Low As Regulations Allow

ANS: B

ALARA means As Low As Reasonably Achievable.

 

DIF:    Moderate        REF: p. 10              OBJ: Understand the meaning of ALARA.

 

  1. Computed tomography was developed in the                 .

a.    1890s

b.    1920s

c.    1970s

d.    1990s

ANS: C

Computed tomography was developed in the 1970s.

 

DIF:    Moderate        REF: p. 10

OBJ: Relate history of the development of computed tomography.

 

  1. Filtration is used to                                         .
  2. absorb low-energy x-rays
  3. remove high-energy x-rays
  4. restrict the useful beam to the body part imaged
  5. fabricate gonadal shields

ANS: A

Filtration is used to absorb low-energy x-rays.

 

DIF:    Moderate        REF: p. 12

OBJ: Relate history of the development of computed tomography.