Test Bank for Radiologic Science for Technologists 11th Edition by Bushong

# Test Bank for Radiologic Science for Technologists 11th Edition by Bushong

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By: Bushong

Edition: 11th Edition

Resource Type: Test bank

## 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
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
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
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
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

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
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
5. Momentum

ANS: C

DIF:    Easy               REF: p. 14

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?
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