Deck 1: Introduction to the Imaging Sciences

Question 1

_______________ is equal to distance traveled divided by the time needed to cover that distance.

A) work
B) momentum
C) velocity
D) acceleration

Answer 1

velocity

Question 2

In the SI system the unit of measure for length is:

A) meter
B) kilometer
C) foot
D) mile

Answer 2

meter

Question 3

In the British system the unit of measure for mass is:

A) pound
B) gram
C) kilogram
D) ton

Answer 3

pound

Question 4

Wilhelm Roentgen's lab was located in:

A) Wurzburg
B) Zurich
C) Paris
D) Boston

Question 5

X-rays were discovered:

A) November 8,1805
B) November 8,1875
C) November 8,1895
D) November 8,1985

Question 6

Mass,length,and time are considered:

A) fundamental quantities
B) derived quantities
C) radiologic quantities
D) none of the above

Question 7

The first radiograph produced by Dr.Roentgen was of:

A) his own hand
B) his daughter's hand
C) his son's hand
D) his wife's hand

Question 8

In the SI system the unit of measure for time is:

A) minute
B) second
C) hour
D) day

Question 9

Exposure times for very early radiographs ranged from:

A) 1 second to 5 seconds
B) 1 minute to 15 minutes
C) 20 minutes to 2 hours
D) 2 hours to 5 hours

Question 10

Who brought attention to the dangers of x-rays?

A) Wilhelm Roentgen
B) Bertha Roentgen
C) Crookes
D) Thomas Edison

Question 11

The metric system is also known as the:

A) British system
B) System International (SI)
C) System of Units (SU)
D) French system

Question 12

Velocity,acceleration,and work are:

A) fundamental quantities
B) derived quantities
C) radiologic quantities
D) none of the above

Question 13

Barium platinocyanide was the material in Dr.Roentgen's laboratory that:

A) covered the cathode ray tube
B) fluoresced when the cathode ray tube was energized
C) was used to produce the radiograph of Bertha Roentgen's hand
D) protected the people in the room from the x-rays

Question 14

Exposure,dose,and dose equivalent are:

A) fundamental quantities
B) derived quantities
C) radiologic quantities
D) none of the above

Question 15

In the SI system the unit of measure for mass is:

A) pound
B) gram
C) kilogram
D) ton

Question 16

Acute radiodermatitis was:

A) the radiation burn resulting from excessive exposure to x-rays
B) common among early patients and operators of x-ray equipment
C) a delayed reaction to excessive x-ray exposure
D) all of the above

Question 17

An example of how x-rays were used for entertainment or business gain in a dangerous manner was the:

A) fluoroscopic shoe fitter
B) x-ray stove polish
C) x-ray headache tablets
D) x-ray golf balls

Question 18

Meters per second squared (m/s²)is the unit of measure of:

A) velocity
B) momentum
C) force
D) acceleration

Question 19

In the British system the unit of measure for length is:

A) meter
B) kilometer
C) foot
D) mile

Question 20

In the British system the unit of measure for time is:

A) minute
B) second
C) hour
D) day

Question 21

What is the velocity of a baseball that travels 15 meters in 2 seconds?

A) 7.5 N
B) 7.5 m/s²
C) 7.5 J
D) 7.5 m/s

Question 22

If it takes 2 minutes to perform 360 J of work,what is the power?

A) 3 W
B) 9 W
C) 180 W
D) 720 W

Question 23

Kilograms-meters per second (kg-m/s)is the unit of measure of:

A) velocity
B) momentum
C) force
D) acceleration

Question 24

How much work is done if a force of 20 N is applied to move a patient 100 meters?

A) 0.5 J
B) 5 J
C) 200 J
D) 2000 J

Question 25

Fd (force × distance)is the formula to determine:

A) power
B) force
C) work
D) momentum

Question 26

Work/time is the formula to determine:

A) power
B) force
C) work
D) momentum

Question 27

How much force is needed to move a 20-kg box whose acceleration is 5 m/s²?

A) 100 N
B) 100 W
C) 100 m/s²
D) 100 m/s

Question 28

If 240 J of work is done in 1 minute,how much power is consumed?

A) 4 J
B) 4 W
C) 4 kg-m/s
D) 4 m/s

Question 29

What is the momentum of the 20 kg box that is traveling 10 m/s?

A) 200 m/s²
B) 200 W
C) 200 kg-m/s
D) 200 J

Question 30

What is the acceleration of the javelin if the initial velocity is 0,the final velocity is 15 m/s and the time of travel is 3 seconds?

A) 1 m/s²
B) 5 m/s²
C) 10 m/s²
D) 15 m/s²

Question 31

What is the velocity of a javelin that travels 45 meters in 3 seconds?

A) 0.067 m/s
B) 15 m/s
C) 67 m/s
D) 135 m/s

Question 32

If a basketball goes from being stationary to a velocity of 15 m/s in 3 seconds,what is its acceleration?

A) 5 N
B) 5 m/s²
C) 5 m/s
D) 5 W

Question 33

The formula mv (mass × velocity)is used to determine:

A) power
B) force
C) work
D) momentum

Question 34

The formula ma (mass × acceleration)is for:

A) power
B) force
C) work
D) momentum

Question 35

Watt is the unit of measure of:

A) power
B) force
C) work
D) momentum

Question 36

How much force is needed to move a 30-kg piece of equipment at a rate of 3 m/s²?

A) 10 N
B) 30 N
C) 60 N
D) 90 N

Question 37

Joule is the unit of measure of:

A) power
B) force
C) work
D) momentum

Question 38

How much work is done if 5 N of force is used to lift a box 3 meters high?

A) 15 W
B) 15 kg-m/s
C) 15 N/s
D) 15 J

Question 39

Newton is the unit of measure of:

A) velocity
B) momentum
C) force
D) acceleration

Question 40

What is the momentum of a 30-kg object traveling at 2.5 m/s?

A) 12 kg-m/s
B) 75 kg-m/s
C) 150 kg-m/s
D) 187.5 kg-m/s

Question 41

In a typical radiographic room the anode is located:

A) over the head end of the table
B) over the foot end of the table
C) in the middle of the table
D) away from the table

Question 42

Newton's first law of motion said that,unless acted on by an external force,an object at rest:

A) will stay at rest
B) will move very slowly
C) will accelerate very quickly
D) none of the above

Question 43

The shortened form of the radiologic quantity curie is:

A) Cr
B) Ci
C) Ce
D) Cu

Question 44

The ability to do work is:

A) power
B) energy
C) inertia
D) momentum

Question 45

The ____________ is the SI unit equivalent to the curie.

A) roentgen
B) Becquerel
C) sievert
D) gray

Question 46

Kinetic energy is:

A) stored energy
B) energy being expended
C) the same as potential energy
D) power

Question 47

The radiologic unit that addresses the different biological effects of different types of ionizing radiation is the:

A) rad
B) roentgen
C) sievert
D) gray

Question 48

Einstein's formula,E=MC²,demonstrates the relationship between:

A) matter and energy
B) energy and electricity
C) electricity and mass
D) mass and electromagnetic energy

Question 49

Energy in a stored state is:

A) kinetic energy
B) energy of motion
C) potential energy
D) power

Question 50

The principle of inertia was first described by:

A) Wilhelm Conrad Roentgen
B) Sir Isaac Newton
C) Thomas Alva Edison
D) Crookes

Question 51

The positive electrode of the x-ray tube is the:

A) diode
B) cathode
C) anode
D) canode

Question 52

The negative electrode of the x-ray tube is the:

A) diode
B) cathode
C) anode
D) canode

Question 53

The property of an object with mass that resists a change in its state of motion is:

A) momentum
B) power
C) energy
D) inertia

Question 54

Electromagnetic,chemical,electrical,and thermal are all types of:

A) waves
B) equipment
C) force
D) energy

Question 55

The radiologic unit that quantifies the biological effect of radiation on humans and animals is the:

A) Becquerel
B) rad
C) roentgen
D) sievert

Question 56

The ____________ is the SI unit equivalent to the rem.

A) rad
B) roentgen
C) Becquerel
D) sievert

Question 57

The radiologic unit that quantifies occupational exposure or dose equivalent is the:

A) rem
B) rad
C) roentgen
D) Becquerel

Question 58

The tube head assembly consists of:

A) x-ray tube
B) tube stand
C) collimator
D) all of the above

Question 59

The ____________ is the SI unit equivalent to the rad.

A) rem
B) roentgen
C) gray
D) Becquerel

Question 60

The radiologic unit that quantifies radiation intensity is the:

A) rem
B) Becquerel
C) gray
D) roentgen

Question 61

The device that is located just under the x-ray table and holds the image receptor in place is the:

A) bucky assembly
B) grid assembly
C) floating assembly
D) exit assembly

Question 62

Permanently installed radiographic equipment can never be replaced because it is permanent.

Question 63

In the hospital setting,the most widely used tube stand or mount is the:

A) floor mount
B) floor-ceiling mount
C) overhead tube assembly
D) under-table tube assembly

Question 64

Mass does not change with gravitational force.

Question 65

Lead shutters are part of the:

A) tube housing
B) tube stand
C) collimator
D) x-ray tube

Question 66

The purpose of the mirror inside the collimator is to:

A) restrict the x-ray beam
B) allow the patient to see himself or herself
C) focus the x-ray beam
D) reflect the light source

Question 67

To help dissipate the heat produced during x-ray production,the x-ray tube housing is filled with:

A) air
B) water
C) refrigerant
D) oil

Question 68

Weight,measured in pounds,is not affected by gravitational force.

Question 69

When 3 kilograms of frozen water is melted,it produces 3 kilograms of water.

Question 70

The device that restricts the x-ray beam to the area of interest is the:

A) tube housing
B) collimator
C) mirror
D) crosshair

Question 71

The floor mount,floor-ceiling mount,and the overhead tube assembly are types of:

A) tube stands or mounts
B) x-ray tube designs
C) collimator devices
D) A and B

Question 72

A radiographic unit that can be taken to the patient's bedside is considered:

A) mobile equipment
B) permanently installed equipment
C) bedside equipment
D) stationary equipment

Question 73

The electricity applied to the tube during x-ray production is controlled at the:

A) tube housing
B) collimator
C) control panel
D) table top

Question 74

A floating table top is typical of today's x-ray tables.

Question 75

Upright radiographic examinations can easily be done with a:

A) floating table
B) table bucky
C) fluoroscope
D) wall unit