CLUSTE 1
問題一覧
1
The time rate of
activity
2
1⁄2 the range from crest to valley over which a sine wave varies
amplitude
3
The minimum energy required to produce an ion pair in gas is:
34 keV
4
The maximum distance traverse by ionizing radiation before losing all its energy
path length
5
He is responsible for the present model of atom
Bohr
6
The most unstable electron within an atom
valence
7
Described as any atomic specie
nuclide
8
The smallest chemical unit of an element or compound
molecules
9
What is the charge of nucleus
positive
10
The Tc-99m was prepared on Monday @8am with an activity of 150MBq. How many % will remain on Monday 2PM?
50%
11
The Tc-99m was prepared on Monday @8am with an activity of 150MBq. How much will remain Monday 2PM?
75 Mbq
12
Which among the following is considered as the shortest half-life?
effective
13
Which among the following is considered as the longest half-life?
physical
14
Time required for the activity of a sample to decay to 1⁄2 its original value inside a living tissue
biological
15
It decays to a helium-like daughter
alpha
16
Removal of an electron within an atom by a characteristic x-ray
auger process
17
Removal of an electron within an atom by a gamma ray from the nucleus
internal conversion/k-conversion
18
it has a charge of -1
beta
19
this decays emits gamma rays only
isomeric transition
20
this decays characteristic xray only
electron capture/k-capture
21
emits a heavy particle
alpha
22
what is the mass of alpha particle?
4
23
what is the mass of an beta particle
0
24
It is defined as an energy acquired by an electron thru a potential difference of 1 volt
electron volt
25
These are energy disturbances travelling thru space at the speed of light
photons
26
It is the rate of rise and fall over which the sine wave varies
frequency
27
It has a special unit of angstrom
wavelength
28
what is the relationship between frequency and wavelength
inverse
29
what is the relationship between frequency and speed of light
not related
30
What is the relationship between energy and frequency
directly
31
the time equired to complete a cycle
period
32
define as ond compete oscillation
cycle
33
what is the speed of sound in soft tissue
1540 m/s
34
the following are methods of electrification, except one:
valence
35
what is the other name of electric current
electricity
36
it momentarily stores electric charges
capacitor
37
Serves as support for the x-ray tube and protects it from rough handling and other possible damages?
tube housing
38
An angulation of the rotating anode is equal to?
8-20 degrees
39
Who discover the dynamo
Micheal Faraday
40
What is the unit of dose equivalent
sievert
41
Amount of radiation energy transferred per unit mass of the interacting medium?
absorbed dose
42
Within few months after x - ray was discovered they were being used for medical diagnosis and treatment, resulting in the first visible biologic effects of radiation on humans. Which of the following is an immediate or early effect of radiation?
skin erythema
43
The reduction of total biological effect by extending the time period in which the dose is delivered is called:
fractionation
44
A film badge monitoring device used for monitoring of personnel can:
1. record the image of the aluminum or copper filters which are contained in the plastic holder
2. be compared with a control badge by the monitoring company
3. record doses below 10 millirem
1 & 2 only
45
Which of the following group of people have higher dose limits?
radiation workers
46
consider somatic cell:
1. muscle
2. RBC
3. nerve cell
1,2 & 3
47
Which is not true regarding Law of Bergonie?
The more mature the cell is, the more sensitive it is to radiation
48
f the dose delivered continuously but a lower dose rate, it is said to be:
protracted
49
Recommended SID used during mobile fluoroscopic device operation:
30 cm
50
Personal Monitoring Devices are advised to be used when:
AOTA
51
In the early 1900's, Bergonie and Tribondeau formulated some theories about the radiosensitivity of biologic tissue. The Law of Bergonie and Tribondeau formulated in part that:
when metabolic activity is high, radiosensitivity is high
52
The target theory is a concept for classifying radiation effects in the cellular level. The basis of this theory is that in every cell there is a significant target, if rendered nonfunctional will result in death of cell. Which of the following is that most important molecular target?
DNA
53
Which of the following represents the measure of the rate at which energy is deposited by ionizing radiation in tissue?
LET
54
The aluminum filtration reduces patient dose by:
removing the longer - wavelength photon from the beam
55
In mobile radiography, the radiographer should:
1. Stand at least 6 ft from the source
2. Stand behind a corner, if possible
3. Use low kVp techniques
1 & 2 only
56
The principal of justification states that:
Examination can only be done if the risk outweighs the benefits.
57
The radiation hazard to a fetus exposure in which of the following time or period:
first trimester
58
Radiation exposure has been lined as a cause of which of the following malignant disease:
all of the above
59
Radiation effect which is manifested by the descendant of the exposed individual:
hereditary
60
Thermoluminescent dosimeters:
both
61
The principle of optimization provides that:
All exposure factors must be kept ALARA, economic and social factors take into account
62
The cardinal principle in protecting the patient in radiological examination is known as the:
ALARA principle
63
For the maximum protection of the technologist the cubicle for the control panel from the x-ray tube must be not closer than:
6 ft
64
What does the term RBE represent in radiobiology?
relative biologic effectiveness
65
Most likely focus of the target in the target cell theory of cell damage:
deoxyribonucleic acid
66
The term describes the separation of water into hydrogen and oxygen due to irradiation is called:
radiolysis
67
The type of chemical produced by free hydrogen radicals is called:
hydrogen peroxide
68
What is the maximum amount of leakage radiation permitted from a radiographic tube housing at one meter?
100 mR/hr
69
What is the minimum equivalent of total filtration of diagnostic x-ray operating >70 kVp.
2.5 mm
70
Which of the following types of patients is most radiosensitive?
fetus
71
Act of a single cell or a group of cells producing and multiplying in number:
cell proliferation
72
the primary defense mechanism of the body against the infection and disesase:
antibodies
73
Low radiation sensitivity cell type/s:
AOTA
74
Characterized by the disappearance of the structural chromosomes into mass of DNA, closing off:
telophase
75
The cells division where nucleus swells and the DNA becomes more prominent to take the structural form:
prophase
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CLUSTER 2
100問 • 2年前問題一覧
1
The time rate of
activity
2
1⁄2 the range from crest to valley over which a sine wave varies
amplitude
3
The minimum energy required to produce an ion pair in gas is:
34 keV
4
The maximum distance traverse by ionizing radiation before losing all its energy
path length
5
He is responsible for the present model of atom
Bohr
6
The most unstable electron within an atom
valence
7
Described as any atomic specie
nuclide
8
The smallest chemical unit of an element or compound
molecules
9
What is the charge of nucleus
positive
10
The Tc-99m was prepared on Monday @8am with an activity of 150MBq. How many % will remain on Monday 2PM?
50%
11
The Tc-99m was prepared on Monday @8am with an activity of 150MBq. How much will remain Monday 2PM?
75 Mbq
12
Which among the following is considered as the shortest half-life?
effective
13
Which among the following is considered as the longest half-life?
physical
14
Time required for the activity of a sample to decay to 1⁄2 its original value inside a living tissue
biological
15
It decays to a helium-like daughter
alpha
16
Removal of an electron within an atom by a characteristic x-ray
auger process
17
Removal of an electron within an atom by a gamma ray from the nucleus
internal conversion/k-conversion
18
it has a charge of -1
beta
19
this decays emits gamma rays only
isomeric transition
20
this decays characteristic xray only
electron capture/k-capture
21
emits a heavy particle
alpha
22
what is the mass of alpha particle?
4
23
what is the mass of an beta particle
0
24
It is defined as an energy acquired by an electron thru a potential difference of 1 volt
electron volt
25
These are energy disturbances travelling thru space at the speed of light
photons
26
It is the rate of rise and fall over which the sine wave varies
frequency
27
It has a special unit of angstrom
wavelength
28
what is the relationship between frequency and wavelength
inverse
29
what is the relationship between frequency and speed of light
not related
30
What is the relationship between energy and frequency
directly
31
the time equired to complete a cycle
period
32
define as ond compete oscillation
cycle
33
what is the speed of sound in soft tissue
1540 m/s
34
the following are methods of electrification, except one:
valence
35
what is the other name of electric current
electricity
36
it momentarily stores electric charges
capacitor
37
Serves as support for the x-ray tube and protects it from rough handling and other possible damages?
tube housing
38
An angulation of the rotating anode is equal to?
8-20 degrees
39
Who discover the dynamo
Micheal Faraday
40
What is the unit of dose equivalent
sievert
41
Amount of radiation energy transferred per unit mass of the interacting medium?
absorbed dose
42
Within few months after x - ray was discovered they were being used for medical diagnosis and treatment, resulting in the first visible biologic effects of radiation on humans. Which of the following is an immediate or early effect of radiation?
skin erythema
43
The reduction of total biological effect by extending the time period in which the dose is delivered is called:
fractionation
44
A film badge monitoring device used for monitoring of personnel can:
1. record the image of the aluminum or copper filters which are contained in the plastic holder
2. be compared with a control badge by the monitoring company
3. record doses below 10 millirem
1 & 2 only
45
Which of the following group of people have higher dose limits?
radiation workers
46
consider somatic cell:
1. muscle
2. RBC
3. nerve cell
1,2 & 3
47
Which is not true regarding Law of Bergonie?
The more mature the cell is, the more sensitive it is to radiation
48
f the dose delivered continuously but a lower dose rate, it is said to be:
protracted
49
Recommended SID used during mobile fluoroscopic device operation:
30 cm
50
Personal Monitoring Devices are advised to be used when:
AOTA
51
In the early 1900's, Bergonie and Tribondeau formulated some theories about the radiosensitivity of biologic tissue. The Law of Bergonie and Tribondeau formulated in part that:
when metabolic activity is high, radiosensitivity is high
52
The target theory is a concept for classifying radiation effects in the cellular level. The basis of this theory is that in every cell there is a significant target, if rendered nonfunctional will result in death of cell. Which of the following is that most important molecular target?
DNA
53
Which of the following represents the measure of the rate at which energy is deposited by ionizing radiation in tissue?
LET
54
The aluminum filtration reduces patient dose by:
removing the longer - wavelength photon from the beam
55
In mobile radiography, the radiographer should:
1. Stand at least 6 ft from the source
2. Stand behind a corner, if possible
3. Use low kVp techniques
1 & 2 only
56
The principal of justification states that:
Examination can only be done if the risk outweighs the benefits.
57
The radiation hazard to a fetus exposure in which of the following time or period:
first trimester
58
Radiation exposure has been lined as a cause of which of the following malignant disease:
all of the above
59
Radiation effect which is manifested by the descendant of the exposed individual:
hereditary
60
Thermoluminescent dosimeters:
both
61
The principle of optimization provides that:
All exposure factors must be kept ALARA, economic and social factors take into account
62
The cardinal principle in protecting the patient in radiological examination is known as the:
ALARA principle
63
For the maximum protection of the technologist the cubicle for the control panel from the x-ray tube must be not closer than:
6 ft
64
What does the term RBE represent in radiobiology?
relative biologic effectiveness
65
Most likely focus of the target in the target cell theory of cell damage:
deoxyribonucleic acid
66
The term describes the separation of water into hydrogen and oxygen due to irradiation is called:
radiolysis
67
The type of chemical produced by free hydrogen radicals is called:
hydrogen peroxide
68
What is the maximum amount of leakage radiation permitted from a radiographic tube housing at one meter?
100 mR/hr
69
What is the minimum equivalent of total filtration of diagnostic x-ray operating >70 kVp.
2.5 mm
70
Which of the following types of patients is most radiosensitive?
fetus
71
Act of a single cell or a group of cells producing and multiplying in number:
cell proliferation
72
the primary defense mechanism of the body against the infection and disesase:
antibodies
73
Low radiation sensitivity cell type/s:
AOTA
74
Characterized by the disappearance of the structural chromosomes into mass of DNA, closing off:
telophase
75
The cells division where nucleus swells and the DNA becomes more prominent to take the structural form:
prophase