Rads 3513 Chapter 1&2 Quiz

Front 1

the ____ is the SI unit equivalent to the rad

1)gray

2)rem

3)becquerel

4)roentgen

Back 1

gray

Front 2

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

1) overhead tube assembly

2) under-table tube assembly

3) floor mount

4) floor-ceiling mount

Back 2

overhead tube assembly

Front 3

Wilhelm Roentgen's lab was located in:

1) Boston

2) Zurich

3) Wurzburg

4) Paris

Back 3

Wurzburg

Front 4

watt is the unit of measure of

1)force

2)momentum

3)power

4)work

Back 4

power

Front 5

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

1) 7.5 N

2)7.5 m/s2

3)7.5 J

47.5 m/s

Back 5

7.5 m/s

Front 6

in the british system the unit of measure for mass is:

Back 6

pound

Front 7

the negative electrode of the x-ray tube is the

Back 7

cathode

Front 8

Acute radiodermatitis was:

1) the radiation burn resulting from excessive exposure to x-rays

2) common among early patients and operators of x-ray equipment

3) a delayed reaction to excessive x-ray exposure 4) all of the above

Back 8

all of the above

Front 9

a radiographic unit that can be taken to the patients bedside is considered:

Back 9

mobile equipment

Front 10

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

Back 10

4 W

Front 11

when 3 kilograms of frozen water is melted it produces 3 kilograms of water

Back 11

true

Front 12

barium plantinocyanide was the material in Dr. Roentgens lab that:

Back 12

fluoresced when the cathode ray tube was energized

Front 13

lead shutters are part of the:

Back 13

collimator

Front 14

Newton is the unit measure of:

Back 14

force

Front 15

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

Back 15

control panel

Front 16

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

Back 16

tube stands or mounts

Front 17

Joule is the unit measure of:

Back 17

work

Front 18

what is the momentum of a 30-kg object traveling at 2.5m/s2

Back 18

75 kg-m/s

Front 19

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

Back 19

collimator

Front 20

a floating table top is typical of todays x-ray tables

Back 20

true

Front 21

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

Back 21

3 W

Front 22

the principle of inertia was first described by:

Back 22

sir isaac newton

Front 23

mass, length, and time are considered:

Back 23

fundamental quantities

Front 24

1 roentgen = __________________

Back 24

2.58 X 10-4 C/kg

Front 25

who brought attention to the dangers of x-rays

Back 25

thomas edison

Front 26

all compounds are molecules and all molecules are compounds

Back 26

false

Front 27

for the chemical element sodium (2211Na) the atomic number is

Back 27

11

Front 28

the word atom is derived from the greek work atoms meaning :

Back 28

indivisible

Front 29

if an atom has more proton than electron than it will:

Back 29

have a positive charge

Front 30

atoms in each period have the same number of

Back 30

elecrton shells

Front 31

a positive ion is:

Back 31

an atom with more protons than electrons

Front 32

in the middle of the periodic table of elements there are elements that don't fit exactly into one of the 8 groups

Back 32

true

Front 33

how many neutrons does L37i (lithium) have

Back 33

4

Front 34

an ionic bond results in an electrically charged molecule

Back 34

false

Front 35

the periodic table of elements classifies by period and group. the group is the:

Back 35

column

Front 36

the number of protons and neutrons in the atoms nucleus is the :

Back 36

atomic mass number

Front 37

an atom of oxygen 168O has

Back 37

8 protons, 8 neautons, 8 electrons

Front 38

the earliest atomic theory is generally associated with

Back 38

leucippus

Front 39

the N shell can hold ______ electrons

Back 39

32

Front 40

the atoms of the elements at the top of the periodic table of elements are the most complex

Back 40

false

Front 41

atoms with the same atomic number and atomic mass number but have different energy within their nucli are:

Back 41

isomers

Front 42

how many electrons does a neutral atom of carbon 126C have

Back 42

6

Front 43

the component of the nucleus that has a positive charge and the mass is the

Back 43

proton

Front 44

the electrons rate around the nucleus at a single energy level

Back 44

false

Front 45

2311 Na is an ________ of 2211 Na

Back 45

isotope because it has the same number of protons (11) and different number of neutrons as seen in the increased atomic mass number

Front 46

when the bond between two atoms is due to one atom giving up an electron and the other atom gaining an electron it is called an

Back 46

ionic bond

Front 47

the force that holds the protons and neutrons together in the nucleus is the

Back 47

binding energy

Front 48

in the early 1800s english chemist john dalton theorized that:

Back 48

-elements form compounds

-atoms are unique to each element in size and mass

-a chemical reaction results from atoms being rearranged

Front 49

the earliest atoms theory based on the arrangement of the solar system is attributed to

Back 49

rutherford

Front 50

when an atom becomes negatively charged it is usually due to a change in the number of

Back 50

electrons

Front 51

The radiologic unit that quantifies radiation intensity is the: 1) roentgen 2) Becquerel 3) gray 4) rem

Back 51

roentgen

Front 52

What is the velocity of a baseball that travels 15 meters in 2 seconds? 1) 7.5 N 2) 7.5 m/s2 3) 7.5 J 4) 7.5 m/s

Back 52

7.5 m/s

Front 53

The purpose of the mirror inside the collimator is to: 1) focus the x-ray beam 2) reflect the light source 3) allow the patient to see himself or herself 4) restrict the x-ray beam

Back 53

reflect the light source

Front 54

Work/time is the formula to determine: 1) force 2) work 3) power 4) momentum

Back 54

power

Front 55

The radiologic unit that quantifies the biological effect of radiation on humans and animals is the: 1) roentgen 2) sievert 3) Becquerel 4) rad

Back 55

rad

Front 56

Barium platinocyanide was the material in Dr. Roentgen’s laboratory that: 1) protected the people in the room from the x-rays 2) was used to produce the radiograph of Bertha Roentgen’s hand 3) covered the cathode ray tube 4) fluoresced when the cathode ray tube was energized

Back 56

fluoresced when the cathode ray tube was energized

Front 57

Newton’s first law of motion said that, unless acted on by an external force, an object at rest: 1) will stay at rest 2) will move very slowly 3) will accelerate very quickly 4) none of the above

Back 57

will stay at rest

Front 58

How much force is needed to move a 20-kg box whose acceleration is 5 m/s2? 1) 100 N 2) 100 W 3) 100 m/s2 4) 100 m/s

Back 58

100 N

Front 59

What is the velocity of a javelin that travels 45 meters in 3 seconds? 1) 135 m/s 2) 15 m/s 3) 67 m/s 4) 0.067 m/s

Back 59

15 m/s

Front 60

How much work is done if 5 N of force is used to lift a box 3 meters high?Incorrect Response 1) 15 W 2) 15 kg-m/s 3) 15 N/s 4) 15 J

Back 60

15 J

Front 61

Wilhelm Roentgen’s lab was located in: 1) Wurzburg 2) Paris 3) Boston 4) Zurich

Back 61

Wurzburg

Front 62

Permanently installed radiographic equipment can never be replaced because it is permanent. 1) True 2) False

Back 62

false

Front 63

The radiologic unit that addresses the different biological effects of different types of ionizing radiation is the: 1) rad 2) roentgen 3) gray 4) sievert

Back 63

sievert

Front 64

Meters per second squared (m/s2) is the unit of measure of: 1) force 2) velocity 3) momentum 4) acceleration

Back 64

acceleration

Front 65

What is the momentum of a 30-kg object traveling at 2.5 m/s? 1) 12 kg-m/s 2) 75 kg-m/s 3) 150 kg-m/s 4) 187.5 kg-m/s

Back 65

75 kg-m/s

Front 66

In the British system the unit of measure for length is: 1) mile 2) kilometer 3) meter 4) foot

Back 66

foot

Front 67

Watt is the unit of measure of: 1) force 2) work 3) power 4) momentum

Back 67

power

Front 68

If a basketball goes from being stationary to a velocity of 15 m/s in 3 seconds, what is its acceleration? 1) 5 N 2) 5 m/s2 3) 5 m/s 4) 5 W

Back 68

5 m/s2

Front 69

In a typical radiographic room the anode is located: 1) over the foot end of the table 2) in the middle of the table 3) over the head end of the table 4) away from the table

Back 69

over the head end of the table

Front 70

In the British system the unit of measure for time is: 1) minute 2) second 3) hour 4) day

Back 70

second

Front 71

1 roentgen = ______________. 1) 2.58 X 104 C/kg 2) 2.58 X 103 C/kg 3) 2.58 X 10-3 C/kg 4) 2.58 X 10-4 C/kg

Back 71

2.58 X 10-4 C/kg

Front 72

The principle of inertia was first described by: 1) Wilhelm Conrad Roentgen 2) Thomas Alva Edison 3) Sir Isaac Newton 4) Crookes

Back 72

Sir Isaac Newton

Front 73

Electromagnetic, chemical, electrical, and thermal are all types of: 1) waves 2) energy 3) equipment 4) force

Back 73

energy

Front 74

The ____________ is the SI unit equivalent to the rad. 1) roentgen 2) gray 3) Becquerel 4) rem

Back 74

gray

Front 75

If 240 J of work is done in 1 minute, how much power is consumed? 1) 4 J 2) 4 W 3) 4 kg-m/s 4) 4 m/s

Back 75

4 W

Front 76

An atom of oxygen (168O) has: 1) eight protons 2) eight neutrons 3) eight electrons 4) all of the above

Back 76

all of the above

Front 77

A negative ion is: 1) an atom with more protons than electrons 2) an atom with more electrons than protons 3) an atom with more neutrons that electrons 4) an electron

Back 77

an atom with more electrons than protons

Front 78

The electrons rotate around the nucleus at a single energy level. 1) True 2) False

Back 78

false

Front 79

The atomic nucleus contains: 1) protons and neutrons 2) protons and electrons 3) electrons and neutrons 4) all of the above

Back 79

protons and neutrons

Front 80

How many electrons does a neutral atom of carbon (126C) have? 1) 3 2) 6 3) 12 4) 18

Back 80

6

Front 81

the outermost shell of an electron can hold fewer than 8 electrons

t or f

Back 81

true

Front 82

The mass of an atom is primarily due to the mass of the: 1) electrons 2) nucleus 3) protons 4) neutrons

Back 82

nucleus

Front 83

The number of protons in an atom’s nucleus is reflected in its: 1) element 2) atomic mass number 3) compound 4) atomic number

Back 83

atomic number

Front 84

Atoms in each group have the same number of: 1) electrons 2) atomic mass number 3) electrons in the outermost shell 4) electron shells

Back 84

electrons in the outermost shell

Front 85

The component of the nucleus that has a positive charge and mass is the: 1) electron 2) neutron 3) proton 4) none of the above

Back 85

proton

Front 86

The atoms of the elements at the top of the periodic table of elements are the most complex. 1) True 2) False

Back 86

false

Front 87

The electrons stay in orbit around the nucleus because of: 1) their attraction to the protons 2) their attraction to the neutrons 3) their attraction to the other electrons 4) all of the above

Back 87

their attraction to the protons

Front 88

All compounds are molecules and all molecules are compounds. 1) True 2) False

Back 88

false

Front 89

If an atom has the same number of electrons and protons it will: 1) have a negative charge 2) have a positive charge 3) be electrically neutral 4) none of the above

Back 89

be electrically neutral

Front 90

The simplest form of the substances that form matter is the: 1) atomic mass number 2) atomic number 3) compound 4) element

Back 90

element

Front 91

Except for the K shell, the maximum number of electrons that can be in the outermost shell of an atom is: 1) 4 2) 8 3) 16 4) 32

Back 91

8

Front 92

An ionic bond results in an electrically charged molecule or compound. 1) True 2) False

Back 92

false

Front 93

When the bond between two atoms is due to one atom giving up an electron and the other atom gaining an electron, it is called a(n): 1) compounding bondIncorrect Response 2) covalent bond 3) ionic bond 4) molecular bond

Back 93

ionic bond

Front 94

In the early 1800s English chemist John Dalton theorized that: 1) elements form compounds 2) atoms are unique to each element in size and mass 3) a chemical reaction results from atoms being rearranged 4) all of the above

Back 94

all of the above

Front 95

An atom of helium (42He) has: 1) two protonsIn 2) four neutrons 3) four protons 4) four electrons

Back 95

four

Front 96

A compound consists of: 1) at least two molecules 2) at least two elements 3) at least two different materials 4) all of the above

Back 96

at least two elements

Front 97

2311Na is an _______________ of 2211Na.@2311Na is an isotope of 2211Na because it has the same number of protons (11) and different number of neutrons, as seen in the increased atomic mass number. 1) isomers 2) isotopes 3) isobars 4) isotones

Back 97

isotopes

Front 98

If an atom has more electrons than protons it will: 1) have neither a positive nor negative charge 2) be electrically neutralIncorrect Response 3) have a positive charge 4) have a negative charge

Back 98

have a negative charge

Front 99

The fundamental component of the atom that has the smallest mass is the: 1) electron 2) neutron 3) proton 4) none of the above

Back 99

electron

Front 100

Electron shells are the hard coating around the electron. 1) True 2) False

Back 100

false

Front 101

The ____________ is the SI unit equivalent to the rem. 1) sievert 2) roentgen 3) rad 4) Becquerel

Back 101

sievert

Front 102

a radiograph unit that can be taken to the patients bedside is considered:

1) permanently installed equipment 2) stationary equipment 3) bedside equipment 4) mobile equipment

Back 102

mobile equipment

Front 103

Exposure, dose, and dose equivalent are: 1) fundamental quantities 2) derived quantities 3) radiologic quantities 4) none of the above

Back 103

radiologic quantities

Front 104

Einstein’s formula, E=MC2, demonstrates the relationship between: 1) electricity and mass 2) energy and electricity 3) mass and electromagnetic energy 4) matter and energy

Back 104

mass and matter

Front 105

The shortened form of the radiologic quantity curie is: 1) Ci 2) Ce 3) Cu 4) Cr

Back 105

Ci

Front 106

The formula mv (mass ´ velocity) is used to determine: 1) work 2) force 3) momentum 4) power

Back 106

momentum

Front 107

The device that is located just under the x-ray table and holds the image receptor in place is the: 1) exit assembly 2) grid assembly 3) bucky assembly 4) floating assembly

Back 107

bucky assembly

Front 108

The electricity applied to the tube during x-ray production is controlled at the: 1) table top 2) control panel 3) collimator 4) tube housing

Back 108

control panel

Front 109

Mass, length, and time are considered: 1) fundamental quantities 2) derived quantities 3) radiologic quantities 4) none of the above

Back 109

fundamental quantities

Front 110

An example of how x-rays were used for entertainment or business gain in a dangerous manner was the: 1) x-ray headache tabletsIncorrect Response 2) x-ray golf balls 3) fluoroscopic shoe fitter 4) x-ray stove polish

Back 110

fluoroscopic shoe fitter

Front 111

The property of an object with mass that resists a change in its state of motion is: 1) inertia 2) energy 3) momentum 4) power

Back 111

inertia

Front 112

The negative electrode of the x-ray tube is the: 1) diodeIncorrect Response 2) anode 3) cathode 4) canode

Back 112

cathode

Front 113

The formula ma (mass ´ acceleration) is for: 1) momentum 2) work 3) power 4) force

Back 113

force

Front 114

1 rad = ______________. 1) 10-2 Gy 2) 10-1 Gy 3) 10 GyIncorrect Response 4) 102 Gy

Back 114

10-2 Gy

Front 115

The floor mount, floor–ceiling mount, and the overhead tube assembly are types of: 1) tube stands or mounts 2) x-ray tube designs 3) collimator devices 4) A and B

Back 115

tube stands or mounts

Front 116

When 3 kilograms of frozen water is melted, it produces 3 kilograms of water.1) True 2) False

Back 116

true

Front 117

Kinetic energy is: 1) energy being expended 2) power 3) stored energy 4) the same as potential energy

Back 117

energy being expended

Front 118

The tube head assembly consists of: 1) x-ray tube 2) tube stand 3) collimator 4) all of the above

Back 118

all

Front 119

Newton is the unit of measure of: 1) velocity 2) momentum 3) force 4) acceleration

Back 119

force

Front 120

What is the momentum of the 20 kg box that is traveling 10 m/s? 1) 200 m/s2 2) 200 W3) 200 kg-m/s 4) 200 J

Back 120

200 kg-m/s

Front 121

X-rays were discovered: 1) November 8, 1875 2) November 8, 1805 3) November 8, 1985 4) November 8, 1895

Back 121

November 8, 1895

Front 122

Fd (force X distance) is the formula to determine: 1) force 2) power 3) work 4) momentum

Back 122

work

Front 123

The ____________ is the SI unit equivalent to the curie. 1) Becquerel 2) roentgen 3) gray 4) sievert

Back 123

becquerel

Front 124

The positive electrode of the x-ray tube is the:Incorrect Response 1) cathode 2) canode 3) anode 4) diode

Back 124

anode

Front 125

______________ is equal to distance traveled divided by the time needed to cover that distance. 1) Work 2) Velocity 3) Acceleration 4) Momentum

Back 125

Velocity

Front 126

How many neutrons does L37i (lithium) have? 1) 3 2) 4Incorrect Response 3) 7 4) 10

Back 126

4

Front 127

The electron shell closest to the nucleus is lettered: 1) “E” 2) “H” 3) “K” 4) “M”

Back 127

K

Front 128

In the middle of the periodic table of elements there are elements that don’t fit exactly into one of the eight groups. 1) True 2) False

Back 128

true

Front 129

Each electron shell has a specific limit to the amounts of electrons it can hold. 1) True 2) False

Back 129

true

Front 130

If an atom has more protons than electrons it will: 1) have neither a positive nor negative charge 2) be electrically neutral 3) have a positive charge 4) have a negative charge

Back 130

have a positive charge

Front 131

For the chemical element sodium (2211Na), the atomic number is: 1) eleven 2) twenty two 3) thirty three 4) none of the above

Back 131

eleven

Front 132

If an atom has 15 electrons, which will be the outermost shell? 1) “L” 2) “M” 3) “N” 4) “O”

Back 132

M

Front 133

The L shell can hold _______ electrons. 1) 1 2) 2 3) 4 4) 8

Back 133

8

Front 134

Atoms with different atomic numbers but the same atomic mass numbers are: 1) isotones 2) isobars 3) isotopes 4) isomers

Back 134

isobars

Front 135

The force that holds the protons and neutrons together in the nucleus is the: 1) proton/neutron energy 2) binding energy 3) nuclear energy 4) atomic energy

Back 135

biding energy

Front 136

Discovery of the electron is attributed to: 1) Thomson 2) Dalton 3) Bohr 4) Rutherford

Back 136

thompson

Front 137

The number of protons and neutrons in the atom’s nucleus is the: 1) element 2) atomic number 3) atomic mass number 4) compound

Back 137

atomic mass number

Front 138

13153I and 13254Xe are: 1) isotopes 2) isobars 3) isomers 4) isotones

Back 138

isotones

Front 139

Atoms with the same number of protons but different number of neutrons are:1) isotopes 2) isobars 3) isotones 4) isomers

Back 139

isotopes

Front 140

In a neutral atom, the atomic number indicates the number of: 1) protons 2) neutrons 3) electrons 4) A and C

Back 140

a and c

Front 141

Each element has an unchanging number of protons. 1) True 2) False

Back 141

true

Front 142

The periodic table of elements classifies by period and group. The group is the: 1) column 2) period 3) type of element 4) row

Back 142

column

Front 143

The three fundamental particles of the atom are the: 1) element, nucleus, and electron 2) electron, nucleus, and proton 3) nucleus, proton, and neutron 4) neutron, electron, and proton

Back 143

neutron, electron, and proton

Front 144

Elements can only occur naturally. 1) Truee 2) False

Back 144

false

Front 145

The component of the nucleus that has mass but no electrical charge is the: 1) electron 2) neutron 3) proton 4) none of the above

Back 145

neutron

Front 146

L37i and B47e are: 1) isobars 2) isotopes 3) isomers 4) isotones

Back 146

isobars

Front 147

The earliest atomic theory is generally associated with:1) Dalton 2) Democritus 3) Bohr 4) Leucippus

Back 147

leucippus

Front 148

The word atom is derived from the Greek word atomos,meaning: 1) nuclear 2) indivisible 3) invisible 4) small

Back 148

indivisible

Front 149

The electron binding energy is stronger when: 1) there are fewer protons and the electron is farther from the nucleus 2) there are more protons and the electron is farther from the nucleus 3) there are more protons and the electron is closer to the nucleus 4) there are fewer protons and the electron is closer to the nucleus

Back 149

there are more protons and the electron is closer to the nucleus

Front 150

The periodic table of elements classifies by period and group. The period is the: 1) row 2) type of element 3) column 4) group

Back 150

row