stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Essential Concepts of Radiologic Science Flashcards | StudBud
Explore
/
Essential Concepts of Radiologic Science
Essential Concepts of Radiologic Science
43 terms
·
StudBud Administration
·
10 plays
Rte 141 Unit 1 Test
Flashcards
43 cards
F
Practice quiz
P
Host live
L
Questions
43
Answers
1
X-rays are most like:
Alpha rays
Beta rays
Gamma rays
Ultrasound
2
Match the statement with the correct term: BETA
amu=4; charge= ++
Theory of relativity
Unit of dose equivalent or occupational exposure
amu=0; charge= -
3
The RAD is related most closely to the:
gray (Gy)
dose equivalent
roentgan (R)
sievert (Sv)
4
The atomic number:
Is the number of neutrons
Has the symbol A
Is the number of electrons
Is the number of protons
5
The maximum number of electrons in the third shell of any atom is:
16
18
32
8
6
Match the statement with the correct term: SIEVERT
I dont know im just trying to graduate!
amu=4; charge= ++
A Russian spy
100 or 10^2 REM
7
Which of the following would be considered electromagnetic ionizing radiation?
Beta rays
Ultrasound
Gamma rays
Microwaves
8
The periodic table represents the elements on the basis of:
number of isotopes
atomic number
atomic charge
narural occurrence
9
Beta decay:
Occurs only with long Half-Life isotopes
Occurs only with very heavy elements
Results in the gain of one proton
Results in the loss of 1 amu
10
How many centimeters is in 1 in?
30000000cm
2.54cm
10cm
.02cm
11
Which of the following is true?
The number of electrons surrounding the nucleus equals the z number
number of electrons surrounding the nucleus equals the number of neutrons
The nucleus is held together by electrostatic proton-proton attraction
The number of electrons surrounding the nucleus equals at A and number
12
How many different types of particles (nucleons) are there in the nucleus of an atom?
1
2
3
4
13
When a radionuclide undergoes beta emission:
A neutron undergoes conversion to a proton
An x-ray is always released
A proton undergoes conversion to a neutron
A gamma ray is always released
14
A good definition of energy in any form is:
Anything that occupies space and has a shape
A force exerted by a body
The quantity of matter
The ability to do work
15
The principal difference between mass and weight is:
Mass is measured in pounds while weight is measured in kilograms
Mass is not dependent on position in weight is a force
There is no difference, they are equal
Which does not change with position but mass does
16
The atomic mass number of an atom is given by:
Number of protons
Number of neutrons
Number of protons + number of neutrons
Number of electrons
17
Ionization occurs when an electron is ejected from its orbit.
False
True
18
Radioactive Half-Life is:
Exactly 1/2 the quantity of material now present
The time necessary for one atom to disintegrate
The time necessary for the radioactivity to reach 1/2 its original value
The time necessary for one half the mass to disappear
19
Match the statement with the correct term: ROLLINS
Collimation / filtration of the X-ray beam
Beats me 🤷🏽♀️
100 or 10^2 RAD
Unit of dose equivalent or occupational exposure
20
Radiation is:
Stationary particles
Energy emitted and transferred through matter
Measured in kilograms
Mass with a charge
21
Match the statement with the correct term: ALPHA PARTICLE
amu= 4; charge= ++
Hot cathode x-ray tube
amu= 0 ; charge= -
2+2=5
22
As you move from left to right across the periodic table, the number of outer shell electrons __ from one to the next.
Decreases by 1
Increases by 1
Decreases by 2
Increases by 2
23
Which of the following atoms is the model for modern atomic theory?
the Dalton atom
the Bohr atom
the Thomas atom
the Rutherford atom
24
The horizontal rows in the periodic table are called:
Families
Periods
Shells
Groups
25
Match the statement with the correct term: EINSTEIN
Hot cathode x-ray tube
Intensifying screen
Collimation / filtration of the X-ray beam
Theory of relativity
26
The periodic table of the elements is attributable to:
Niels Bohr
John Dalton
Dimitri Mendeleev
JJ Thomson
27
Match the statement with the correct term: GRAY
She works at Grey Memorial Hospital
Intensifying screen
100 or 10^2 RAD
A million
28
A natural occurring radiation source is:
Radioactive fallout
Cosmic radiation
Radiopharmaceuticals
X-ray radiation
29
When ionization by x-rays occurs, the result is:
The target atom becomes a negative ion
The target atom becomes a positive ion
The negative ion is electromagnetic radiation
The negative ion is the ion pair
30
Which of the following is considered to be matter?
A snowball
The x-rays from an airport surveillance system.
The light from a movie projector.
Heat.
31
Match the statement with the correct term: REM
Collimation / filtration of the X-ray beam
Intensifying screen
Unit of dose equivalent or occupational exposure
Theory of relativity
32
A natural occurring radiation source is:
cosmic radiation
X-radiation
Radiopharmaceuticals
Radioactive fallout
33
Match the statement with the correct term: PUPIN
Intensifying screen
Theory of relativity
Collimation / filtration of the X-ray beam
3.7x10^10 Squirrel
34
In the periodic table of elements, the group number identifies the:
The principal quantum number of the outermost shell
Total number of electrons in the atom
Number of electrons in the outer shell
Maximum number of electrons allowable in the outer shell
35
In Einstein's famous E=mc^2, C stands for:
Mass-energy equivalence
The theory of relativity
Acceleration of mass
The speed of light
36
How many half lives must elapse before the remaining activity is less than 0.1% of the original activity?
10
6
4
8
37
The Roentgen (R) unit of measurement relates to:
Radiation in air
A dose equivalent
Non ionizing radiation
Radiation absorbed dose
38
Match the statement with the correct term: CURIE
100 or 10^2 REM
100 or 10^2 RAD
3.7x10^10 Becquerel
Theory of relativity
39
Atoms with all electron shells filled are:
Chemically very reactive
The chemically inert
Radioactive
Usually found in group 1
40
Which of the following is true?
M shell electrons are more tightly bound than L shell electrons
Atom's having the same atomic mass interact the same way chemically
Atom's having the same atomic number are atoms of the same element
Electrons are more tightly bound to little atoms than two big atoms
41
Match the statement with the correct term: COOLIDGE
Roger Cox
Hot Cathode x-ray tube
The freezer
Collimation / filtration of the X-ray beam
42
Which of the following is the unit of mass?
mRAD
Pound
Kilogram
Volt
43
The difference between x and gamma rays is:
Their origin
Gamma rays have higher energy
Gamma rays travel faster
X-rays produced bremsstrahlung radiation and gamma rays do not
