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150 Cards in this Set
- Front
- Back
the ____ is the SI unit equivalent to the rad 1)gray 2)rem 3)becquerel 4)roentgen |
gray |
|
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 |
overhead tube assembly |
|
Wilhelm Roentgen's lab was located in: 1) Boston 2) Zurich 3) Wurzburg 4) Paris |
Wurzburg |
|
watt is the unit of measure of 1)force 2)momentum 3)power 4)work |
power |
|
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 |
7.5 m/s |
|
in the british system the unit of measure for mass is: |
pound |
|
the negative electrode of the x-ray tube is the
|
cathode |
|
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 |
all of the above |
|
a radiographic unit that can be taken to the patients bedside is considered: |
mobile equipment |
|
if 240 J of work is done in 1 minute, how much power is consumed? |
4 W |
|
when 3 kilograms of frozen water is melted it produces 3 kilograms of water |
true |
|
barium plantinocyanide was the material in Dr. Roentgens lab that: |
fluoresced when the cathode ray tube was energized |
|
lead shutters are part of the: |
collimator |
|
Newton is the unit measure of: |
force |
|
the electricity applied to the tube during x-ray production is controlled at the : |
control panel |
|
the floor mount, floor-ceiling mount, and the overhead tube assembly are types of: |
tube stands or mounts |
|
Joule is the unit measure of: |
work |
|
what is the momentum of a 30-kg object traveling at 2.5m/s2 |
75 kg-m/s |
|
the device that restricts the x-ray beam to the are of interest is the : |
collimator |
|
a floating table top is typical of todays x-ray tables |
true |
|
if it takes 2 minutes to perform 360 J of work, what is the power? |
3 W |
|
the principle of inertia was first described by: |
sir isaac newton |
|
mass, length, and time are considered: |
fundamental quantities |
|
1 roentgen = __________________ |
2.58 X 10-4 C/kg |
|
who brought attention to the dangers of x-rays |
thomas edison |
|
all compounds are molecules and all molecules are compounds |
false |
|
for the chemical element sodium (2211Na) the atomic number is |
11 |
|
the word atom is derived from the greek work atoms meaning : |
indivisible |
|
if an atom has more proton than electron than it will: |
have a positive charge |
|
atoms in each period have the same number of |
elecrton shells |
|
a positive ion is: |
an atom with more protons than electrons |
|
in the middle of the periodic table of elements there are elements that don't fit exactly into one of the 8 groups |
true |
|
how many neutrons does L37i (lithium) have |
4 |
|
an ionic bond results in an electrically charged molecule |
false |
|
the periodic table of elements classifies by period and group. the group is the: |
column |
|
the number of protons and neutrons in the atoms nucleus is the : |
atomic mass number |
|
an atom of oxygen 168O has |
8 protons, 8 neautons, 8 electrons |
|
the earliest atomic theory is generally associated with |
leucippus |
|
the N shell can hold ______ electrons |
32 |
|
the atoms of the elements at the top of the periodic table of elements are the most complex |
false |
|
atoms with the same atomic number and atomic mass number but have different energy within their nucli are: |
isomers |
|
how many electrons does a neutral atom of carbon 126C have |
6 |
|
the component of the nucleus that has a positive charge and the mass is the |
proton |
|
the electrons rate around the nucleus at a single energy level |
false |
|
2311 Na is an ________ of 2211 Na |
isotope because it has the same number of protons (11) and different number of neutrons as seen in the increased atomic mass number |
|
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 |
ionic bond |
|
the force that holds the protons and neutrons together in the nucleus is the |
binding energy |
|
in the early 1800s english chemist john dalton theorized that: |
-elements form compounds -atoms are unique to each element in size and mass -a chemical reaction results from atoms being rearranged |
|
the earliest atoms theory based on the arrangement of the solar system is attributed to |
rutherford |
|
when an atom becomes negatively charged it is usually due to a change in the number of |
electrons |
|
The radiologic unit that quantifies radiation intensity is the: 1) roentgen 2) Becquerel 3) gray 4) rem |
roentgen |
|
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 |
7.5 m/s |
|
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 |
reflect the light source |
|
Work/time is the formula to determine: 1) force 2) work 3) power 4) momentum |
power |
|
The radiologic unit that quantifies the biological effect of radiation on humans and animals is the: 1) roentgen 2) sievert 3) Becquerel 4) rad |
rad |
|
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 |
fluoresced when the cathode ray tube was energized |
|
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 |
will stay at rest |
|
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 |
100 N |
|
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 |
15 m/s |
|
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 |
15 J |
|
Wilhelm Roentgen’s lab was located in: 1) Wurzburg 2) Paris 3) Boston 4) Zurich |
Wurzburg |
|
Permanently installed radiographic equipment can never be replaced because it is permanent. 1) True 2) False |
false |
|
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 |
sievert |
|
Meters per second squared (m/s2) is the unit of measure of: 1) force 2) velocity 3) momentum 4) acceleration |
acceleration |
|
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 |
75 kg-m/s |
|
In the British system the unit of measure for length is: 1) mile 2) kilometer 3) meter 4) foot |
foot |
|
Watt is the unit of measure of: 1) force 2) work 3) power 4) momentum |
power |
|
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 |
5 m/s2 |
|
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 |
over the head end of the table |
|
In the British system the unit of measure for time is: 1) minute 2) second 3) hour 4) day |
second |
|
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 |
2.58 X 10-4 C/kg |
|
The principle of inertia was first described by: 1) Wilhelm Conrad Roentgen 2) Thomas Alva Edison 3) Sir Isaac Newton 4) Crookes |
Sir Isaac Newton |
|
Electromagnetic, chemical, electrical, and thermal are all types of: 1) waves 2) energy 3) equipment 4) force |
energy |
|
The ____________ is the SI unit equivalent to the rad. 1) roentgen 2) gray 3) Becquerel 4) rem |
gray |
|
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 |
4 W |
|
An atom of oxygen (168O) has: 1) eight protons 2) eight neutrons 3) eight electrons 4) all of the above |
all of the above |
|
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 |
an atom with more electrons than protons |
|
The electrons rotate around the nucleus at a single energy level. 1) True 2) False |
false |
|
The atomic nucleus contains: 1) protons and neutrons 2) protons and electrons 3) electrons and neutrons 4) all of the above |
protons and neutrons |
|
How many electrons does a neutral atom of carbon (126C) have? 1) 3 2) 6 3) 12 4) 18 |
6 |
|
the outermost shell of an electron can hold fewer than 8 electrons t or f |
true |
|
The mass of an atom is primarily due to the mass of the: 1) electrons 2) nucleus 3) protons 4) neutrons |
nucleus |
|
The number of protons in an atom’s nucleus is reflected in its: 1) element 2) atomic mass number 3) compound 4) atomic number |
atomic number |
|
Atoms in each group have the same number of: 1) electrons 2) atomic mass number 3) electrons in the outermost shell 4) electron shells |
electrons in the outermost shell |
|
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 |
proton |
|
The atoms of the elements at the top of the periodic table of elements are the most complex. 1) True 2) False |
false |
|
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 |
their attraction to the protons |
|
All compounds are molecules and all molecules are compounds. 1) True 2) False |
false |
|
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 |
be electrically neutral |
|
The simplest form of the substances that form matter is the: 1) atomic mass number 2) atomic number 3) compound 4) element |
element |
|
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 |
8 |
|
An ionic bond results in an electrically charged molecule or compound. 1) True 2) False |
false |
|
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 |
ionic bond |
|
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 |
all of the above |
|
An atom of helium (42He) has: 1) two protonsIn 2) four neutrons 3) four protons 4) four electrons |
four |
|
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 |
at least two elements |
|
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 |
isotopes |
|
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 |
have a negative charge |
|
The fundamental component of the atom that has the smallest mass is the: 1) electron 2) neutron 3) proton 4) none of the above |
electron |
|
Electron shells are the hard coating around the electron. 1) True 2) False |
false |
|
The ____________ is the SI unit equivalent to the rem. 1) sievert 2) roentgen 3) rad 4) Becquerel |
sievert |
|
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 |
mobile equipment |
|
Exposure, dose, and dose equivalent are: 1) fundamental quantities 2) derived quantities 3) radiologic quantities 4) none of the above |
radiologic quantities |
|
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 |
mass and matter |
|
The shortened form of the radiologic quantity curie is: 1) Ci 2) Ce 3) Cu 4) Cr |
Ci |
|
The formula mv (mass ´ velocity) is used to determine: 1) work 2) force 3) momentum 4) power |
momentum |
|
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 |
bucky assembly |
|
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 |
control panel |
|
Mass, length, and time are considered: 1) fundamental quantities 2) derived quantities 3) radiologic quantities 4) none of the above |
fundamental quantities |
|
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 |
fluoroscopic shoe fitter |
|
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 |
inertia |
|
The negative electrode of the x-ray tube is the: 1) diodeIncorrect Response 2) anode 3) cathode 4) canode |
cathode |
|
The formula ma (mass ´ acceleration) is for: 1) momentum 2) work 3) power 4) force |
force |
|
1 rad = ______________. 1) 10-2 Gy 2) 10-1 Gy 3) 10 GyIncorrect Response 4) 102 Gy |
10-2 Gy |
|
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 |
tube stands or mounts |
|
When 3 kilograms of frozen water is melted, it produces 3 kilograms of water.1) True 2) False |
true |
|
Kinetic energy is: 1) energy being expended 2) power 3) stored energy 4) the same as potential energy |
energy being expended |
|
The tube head assembly consists of: 1) x-ray tube 2) tube stand 3) collimator 4) all of the above |
all |
|
Newton is the unit of measure of: 1) velocity 2) momentum 3) force 4) acceleration |
force |
|
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 |
200 kg-m/s |
|
X-rays were discovered: 1) November 8, 1875 2) November 8, 1805 3) November 8, 1985 4) November 8, 1895 |
November 8, 1895 |
|
Fd (force X distance) is the formula to determine: 1) force 2) power 3) work 4) momentum |
work |
|
The ____________ is the SI unit equivalent to the curie. 1) Becquerel 2) roentgen 3) gray 4) sievert |
becquerel |
|
The positive electrode of the x-ray tube is the:Incorrect Response 1) cathode 2) canode 3) anode 4) diode |
anode |
|
______________ is equal to distance traveled divided by the time needed to cover that distance. 1) Work 2) Velocity 3) Acceleration 4) Momentum |
Velocity |
|
How many neutrons does L37i (lithium) have? 1) 3 2) 4Incorrect Response 3) 7 4) 10 |
4 |
|
The electron shell closest to the nucleus is lettered: 1) “E” 2) “H” 3) “K” 4) “M” |
K |
|
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 |
true |
|
Each electron shell has a specific limit to the amounts of electrons it can hold. 1) True 2) False |
true |
|
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 |
have a positive charge |
|
For the chemical element sodium (2211Na), the atomic number is: 1) eleven 2) twenty two 3) thirty three 4) none of the above |
eleven |
|
If an atom has 15 electrons, which will be the outermost shell? 1) “L” 2) “M” 3) “N” 4) “O” |
M |
|
The L shell can hold _______ electrons. 1) 1 2) 2 3) 4 4) 8 |
8 |
|
Atoms with different atomic numbers but the same atomic mass numbers are: 1) isotones 2) isobars 3) isotopes 4) isomers |
isobars |
|
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 |
biding energy |
|
Discovery of the electron is attributed to: 1) Thomson 2) Dalton 3) Bohr 4) Rutherford |
thompson |
|
The number of protons and neutrons in the atom’s nucleus is the: 1) element 2) atomic number 3) atomic mass number 4) compound |
atomic mass number |
|
13153I and 13254Xe are: 1) isotopes 2) isobars 3) isomers 4) isotones |
isotones |
|
Atoms with the same number of protons but different number of neutrons are:1) isotopes 2) isobars 3) isotones 4) isomers |
isotopes |
|
In a neutral atom, the atomic number indicates the number of: 1) protons 2) neutrons 3) electrons 4) A and C |
a and c |
|
Each element has an unchanging number of protons. 1) True 2) False |
true |
|
The periodic table of elements classifies by period and group. The group is the: 1) column 2) period 3) type of element 4) row |
column |
|
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 |
neutron, electron, and proton |
|
Elements can only occur naturally. 1) Truee 2) False |
false |
|
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 |
neutron |
|
L37i and B47e are: 1) isobars 2) isotopes 3) isomers 4) isotones |
isobars |
|
The earliest atomic theory is generally associated with:1) Dalton 2) Democritus 3) Bohr 4) Leucippus |
leucippus |
|
The word atom is derived from the Greek word atomos,meaning: 1) nuclear 2) indivisible 3) invisible 4) small |
indivisible |
|
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 |
there are more protons and the electron is closer to the nucleus |
|
The periodic table of elements classifies by period and group. The period is the: 1) row 2) type of element 3) column 4) group |
row |