Bushong Test Bank - Bushong Test Bank Chapter 1: Essential Concepts...

Radiologic Science for Technologists 10th Edition Bushong Test Bank

Chapter 1: Essential Concepts of Radiologic Science

Test Bank

MULTIPLE CHOICE

• Matter is measured in .
• kilograms
• joules
• electron volts
• rems

ANS: A

Matter is measured in kilograms

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

• Energy is measured in .
• kilograms
• joules
• electron volts
• B or C

ANS: D

Energy is measured in joules or electron volts

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

• Atoms and molecules are the fundamental building blocks of .
• energy
• radiation
• matter
• gravity

ANS: C

Atoms and molecules are the fundamental building blocks of matter.

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

• Ice and steam are examples of two forms of .
• matter
• radiation
• energy
• work

ANS: A

Ice and steam are examples of two forms of matter.

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

• The formula E=mc

2 is the basis for the theory that led to the development of .

• x-rays 1 / 4

• electromagnetic radiation
• nuclear power
• cathode ray tubes

ANS: C

The formula E=mc 2 is the basis for the theory that led to the development of nuclear power.

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

• Radio waves, light, and x-rays are all examples of energy.
• nuclear
• thermal
• electrical
• electromagnetic

ANS: D

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

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

• A moving object has energy.
• potential
• kinetic
• nuclear
• electromagnetic

ANS: B

A moving object has kinetic energy.

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

• What is the removal of an electron from an atom called?
• ionization
• pair production
• irradiation
• electricity

ANS: A

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

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

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

ANS: C

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

DIF: Moderate REF: page 5 2 / 4

OBJ: Describe the process of ionization by ionizing radiation.

• The energy of x-rays is _ .
• thermal
• potential
• kinetic
• electromagnetic

ANS: D

X-rays are a form of electromagnetic energy.

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

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

ANS: B

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

DIF: Difficult REF: page 6 OBJ: Understand the relative intensity of ionizing radiation from various sources.

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

environment.

• 0-5
• 5-20
• 20-90
• 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: page 6 OBJ: Understand the amount of natural environmental ionizing radiation to which the public is exposed in the United States.

• The basic quantities measured in mechanics are _ , , and .
• volume, length, meters
• mass, length, time
• radioactivity, dose, exposure
• meters, kilos, seconds

ANS: B

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

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

• An example of a derived quantity in mechanical physics is a . 3 / 4

• meter
• second
• dose
• volume

ANS: D

Volume is a derived unit.

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

• is a special quantity of radiologic science.
• Mass
• Velocity
• Radioactivity
• Momentum

ANS: C

Radioactivity is a special quantity of radiologic science.

DIF: Easy REF: page 12

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

• Exposure is measured in units of .
• becquerel
• sieverts
• meters
• grays

ANS: D

Exposure is measured in units of grays.

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

• Today, radiology is considered to be a(n) occupation.
• safe
• unsafe
• dangerous
• high-risk

ANS: A

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

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

• What does ALARA mean?
• All Level Alert Radiation Accident
• As Low As Reasonably Achievable
• Always Leave A Restricted Area
• As Low As Regulations Allow

ANS: B

ALARA means As Low As Reasonably Achievable.

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