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RAD 201 MIDTERM REVIEW Flashcards | StudBud
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RAD 201 MIDTERM REVIEW
RAD 201 MIDTERM REVIEW
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1
WHAT IS REM
UNIT TO DETERMINE IONIZATON IN AIR
FATOR THAT QUANTIFIES HELATH RISK FOR VARIOUS TYPES OF RADIATION
DOSE EEUIVALENT FOR OCUPATIONAL EXPOSURE
MEASURE OF PATIENT DOSE
2
THE DISTANCE BETWEEN THE OBJECT AND IMAGE RECEPTOR
MOTION
SID
PATIENT DISTANCE
OID
3
AN IR THAT CONTAINS A PHOTOSTIMULABE PLATE THAT IS CONVERTED TO AN IMAGE WITH A LASER IS PART OF WHAT SYSTEM
FILM/SCREEN SYSTEM
DIGITAL FLOUROSCOPY
DIGITAL RADIOGRAPHY (DR)
COMPUTED RADIOGRAOHY (CR)
4
WHERE ARE THE MAJORITY OF XRAY PROGRAMS BASED IN TODAY
COLLEGES
CLINICS
HOSPITALS
PROPRIERTARY SCHOOLS
5
EVENTS THAT OCCUR ON THE CELLULAR LEVEL AS A RESULT OF RADIATION EXPOSURE INCLUDE (choose all that apply)
MITOTIC FAILURE
CELL DEATH
CELLULAR MALFUNCTION
MITOSIS RESULTING IN ABNORMAL DAUGHTER CELLS
6
THE DISTANCE BETWEEN CREST AND VALLEY OF A SINE WAVE IS
AMPLITUDE
VALLEY
WAVELENGTH
FREQUENCY
7
WHEN A LARGE OID CAUSES POOR IMAGE DETAIL IT CAN BE COMPENSATED SO SOME DEGREE BY INCREASING WHAT
FIELD SIZE
KVP
MAS
SID
8
THE XRAY MACHINE USED FOR DIRECT VIEWING OF IMAGE
FILAMENT
TRANSFORMER
IMAGE RECEPTOR
FLOUROSCOPE
9
WHAT IS THE FUNCTION OF THE X-RAY GRID
DECREASE PATIENT DOSE
INCREASE CONTRAST BY REDUCING RADIATION SCATTER FOG
INCREASE RESOLUTION
INCREASE DENSITY
10
A LISTING OF RECOMMENDED MAS, AMD KVP SETTINGS, AS WELL AS SID, FOR EACH OF THE VARIOUS BODY PARTS DONE IN A FACILITY
CONSOLE MANUAL
TECHNIQUE CHART
INTENSIFYING SCREEM
FACILITY GUIDES
11
WHO INVENTED THE FOUROSCOPE
EDISON
EASTMAN
ROENTGEN
COOLIDGE
12
WHERE WERE X-RAYS DISCOVERED
UNITED STATES
ENGLAND
CHINA
GERMANY
13
WHAT IS EXPOSURE DIRECTLY PROPORTIONAL TO PATIENT DOSE
OID
MaS
SID
KVP
14
ONE RAD OF RADIATION IS EQUAL TO WHICH SI UNIT
1cGy
1 Gy
1mSv
1Sv
15
AN IMAGE THAT'S BLACK IN THE DARKEST OF PLACES AND WHITE IN THE LIGHTEST HAS
HIGH CONTRAST
POOR DETAIL
SHARP DETAIL
LOW CONTRAST
16
THE CONTAINER FOR THE VACUUM IS MADE OF WHAT
GLASS
PLASTIC
ALUMINUM
TUNGSTEN
17
WHICH VALUE REPRESENT THE EXPOSURE USING 100Ma, 0.05 seconds, 75 kVp, and 40 SID
.005
5
50
500
18
ACCORDING TO THE LAW OF BERGONIE AND TRIBONDEAU, WHAT IS TRUE
CELLS THAT MULTIPLY RAPIDLY ARE LESS SENSITIVE TO RADIATION
YOUNG CELLS ARE MORE SENSITIVE TO RRADIATION INJURY
COMPLEX CELLS ARE MORE SENSITIVE TO RADIATION
CELLS WITH HIGH METABOLIC RATE ARE LESS SENSITIVETHAN THOSE WITH LOW RATE
19
WHAT IS RAD
MEASURE OF PATIENT DOSE
UNIT TO DETERMINE IONIZATON IN AIR
DOSE EEUIVALENT FOR OCUPATIONAL EXPOSURE
FATOR THAT QUANTIFIES HELATH RISK FOR VARIOUS TYPES OF RADIATION
20
THE COMPUTER HARDWARE AND SOFTWARE TECHNOLOGY USED TO MANAGE DIGITAL IMAGES IN HOSPITALS AND HEALTHCARE FACILITIES
EI NUMBER
RAM
DICOM
PACS
21
FOR OCCUPATIONALLY EXPOSED PERSONNEL, THE DOSE LIMIT IS
5 msv
500 msv
50msv
100 msv
22
THE SMALLEST POSSIBLE UNIT OF ELECTROMAGNETIC ENERGY IS
PHOTON
XRAY
RADIO WAVES
MICROWAVE
23
WHAT IS THE ACCESS POINT FOR RADIOGRAPHERS TO DETERMINE EXPOSURE FACTORS AND INITIATE EXPOSURE
CONTROL CONSOLE
GRID
IMAGE RECEPTOR
TRANSFORMER
24
WHAT IS MEANT BY R
MEASURE OF PATIENT DOSE
DOSE EEUIVALENT FOR OCUPATIONAL EXPOSURE
UNIT TO DETERMINE IONIZATON IN AIR
FATOR THAT QUANTIFIES HELATH RISK FOR VARIOUS TYPES OF RADIATION
25
EFFECTS TO THE PERSON WHO HAS BE IRADIATED
GENETIC
SOMATIC
26
WHICH FACTOR IS NEEDED TO IMPROVE BEAM QUALITY
OID
MILIAMPAERAGE
SID
KVP
27
DOSE EQUIVALENT IS EQUAL TO THE DOSE TIMES WHAT
R
WF
REM
RAD
28
GENES THAT ARE EXPRESSED ARE SAID TO BE
DOMINANT
RECESSIVE
29
WHAT PREVENTS RADIATION SCATTER TO REACH THE IMAGE RECEPTOR
RADIOGRAPHIC TABLE
CENTRAL RAY
GRID
COLLAMATOR
30
WHO WERE XRAYS DISCOVERED BY?
EDISON
ROENTGEN
CROOKES
DALLY
31
REDDENING OF SKIN
MUTATION
BURN
ERYTHEMA
EPILATION
32
AN INCREASE IN KVP CAUSES THE BEAM TO
CONTAIN MORE LONG WAVELENGTH
HAVE GREATER INTENSITY
COVER LARGER AREA
BE MORE HOMOGENOUS
33
WHAT QUALITY FACTOR INCREASES OPTICAL DENSITY
TIME
MAS
KVP
SID
34
THE ANODE OR POSITIVE END OF THE TUBE CONTAINS WHAT?
FILAMENT
SPACE CHARGE
FOCUSING CUP
TARGET
35
SAFTEY PRECAUTIONS FOR PREGNANT RADIOGRAPHER SHOULD INCLUDE(choose all that apply)
WEARING FETAL MONITOR
TAKE LEAVE UNTIL AFTER PREGNANCY
WORK IN AREA WHERE RADIATION IS NOT USED
WORK ASSIGNMENT THAT PERMIT HER TO STAND BEHIND LEAD BARRIER
36
TERM THAT REFERS TO A VARIATION IN THE SIZE OR SHAPE OF THE IMAGE COMPARED WITH THE OBJECT IT REPRESENTS
DETAIL
SID
OID
DISTORTION
37
WHICH IS READILY PENETRATED BY X-RAYS
WATER
AIR
FAT
BONE
38
WHAT IS THE PRINCIPAL SOURCE OF OCCUPATIONAL RADIATION EXPOSURE
REMNANT RADIATION
SCATTER
XRAY TUBE
PRIMARY XRAY BEAM
39
XRAYS ARE WHAT TYPE OF ENERGY
KINECTIC ENERGY
ELECTROMAGNETIC ENERGY
ULTRAVIOLET LIGHT
ELECTRICITY
40
WHAT IS THE REASON FOR KEEPING EXPOSURE TIME AS SHORT AS POSSIBLE
MEASURE POTENTIAL DIFFERENCE
REDUCE MOTION BLUR
INCREASE BEAM INTENSITY
REDUCE PATIENT DOSE
41
WHAT IS THE PURPOSE OF THE ROTATING ANODE
CREATE SPACE CHARGE
REMOVE LOW ENERGY PHOTONS
INCREASE THE HEAT CAPACITY
FOCUS XRAY STREAM
42
WHAT IS NOT A PRINCIPAL METHOD USED TO PROTECT EQUIPTMENT OPERATORS
DISTANCE
DOSIMETER
SHIELDING
TIME
43
IN ORDER TO INCREASE BEAM PENETRATION WHICH FACTOR SHOULD BE INCREASED
KVP
MILIAMPERAGE
MAS
TIME
44
WHAT DOES PACS STAND FOR
PRE ARCHIVE COMMUNICATIONS SYSTEM
PICTURE ARTICLES AND COMMUNICATION SYSTEMS
PICTURE ARCHIVING AND COMMUNICATION STORAGE
PICTURE ARCHIVING AND COMMUNICATION SYSTEM
45
WHICH WILL RESULT IN LOW PATIENT DOSE
LOW KVP HIGH MAS
LONG EXPOSURE TIME SHORT SID
LOW KVP LONG EXPOSURE TIME
HIGH KVP LOW MAS
46
WHICH HAS THE SHORTEST WAVELENGTH
X-RAYS
VISIBLE LIGHT
MICROWAVES
ULTRAVIOLENT LIGHT
47
EFFECTS OF RADIATION THAT EFFECT THE IRRADIATED PERSON'S OFFSPRING
SOMATIC
GENETIC
SHORT TERM
LONG TERM
48
WHAT SHOULD YOU DO TO DECREASE CONTRAST?
DECREASE MAS
DECREASE KVP
INCREASE KVP
INCREASE EXPOSURE TIME
49
AN INCREASE IN OID WILL RESULT IN (select all that apply)
DECREASED IMAGE DETAIL
DECREASE MAGNIFICATION
INCREASE IMAGE DETAIL
INCREASED MAGNIFICATION
50
WHEN SID IS CHANGED WHAT OTHER FACTOR SHOUL BE CHANGED TO COMPENSATE IMAGE QUALITY
OID
KVP
MAS
FIELD SIZE
51
WHAT IS THE SOURCE OF RADIATION IN THE XRAY DEPARTMENT
SCATTER RADIATION
PATIENT
XRAY TUBE
REMNANT RADIATION
52
WHO INVENTED THE HOT CATHODE
EASTMAN
PUPIN
COOLIDGE
EDISON
53
WHICH IS NOT EMPLOYED TO REDUCE THE HAZARDS OF RADIATION EXPOSURE TO THE PATIENT
INTENSIFYING SCREEN
COLLIMATOR
BUCKY
GONADAL SHIELD
54
SHORT TERM SOMATIC EFFECTS ASSOCIATED WITH THE HIGH DOSE EXPOSURES THAT ARE PREDICTABLE AND DOSE DEPENDENT
DETERMINISTIC EFFECTS
GENETIC EFFECTS
STOCHASTIC EFFECTS
55
THE PROCESS OF REDUCTION, SUCH AS THE REDUCTION OF BEAM INTENSITY WHEN IT PENETRATES MATTER
EXPOSURE
ENERGY LOSS
WAVELENGTH
ATTENUATION
56
AN ELECTRON CLOUD SURROUNDING A HOT CATHODE IS REFERRED TO AS?
AMPERE
FOCUSING CUP
SPACE CHARGE
FILAMENT
57
THE SHARPNESS OF AN IMAGE
CONTRAST
OPTICAL DENSITY
DISTORTION
IMAGE DETAIL
58
THE PRIMARY PURPOSE OF THE INTENSIFYING SCREENS IS TO
REDUCE ARTIFACTS
REDUCE QUANTITY OF RADIATION REQUIRED TO PRODUCE IMAGE
IMPROVE BEAM INTENSITY
IMPROVE IMAGE QUALITY
59
THE GUIDING PHILOSOPHY ASSOCIATED WITH ALL RADIATION USE THAT INVOLVES EXPOSURE TO HUMANS
ACLARA
ALARA
ALORA
LARAA
60
ALARA STANDS FOR
AS LOW AS REASONABLY ACCEPTABLE
AS LOW AS RECOMMENDED ALL
AS LOW AS REASONABLY ACHIEVABLE
AS LOW AS REGUARLY ALLOWABLE
61
WHAT IS THE EFFECT OF THE GRID ON IMAGE QUALITY, COMAPRED TO AN EXPOSURE MADE WITHOUT A GRID
INCREASE IN CONTRAST
INCREASE DETAIL
INCREASE OPTICAL DENSITY
DECREASE DISTORTION
62
AN UNSEEN IMAGE MADE VISIBLE BY PROCESSING
IMAGE RECEPTOR
FOCAL SPOT
LATENT IMAGE
RADIOGRAPH
63
THE IMAGINARY PHOTON IN THE CENTERMOST PORTION OF THE X-RAY TUBE
ANODE STRWAM
XRAY BEAM
RADIATION FIELD
CENTRAL RAY
64
A DEVICE USED TO CHANGE SIZE OF RADIATION FIELD
GRID
DETENT
COLLIMATOR
BUCKY
65
THE MEASURE OF THE CURRENT FLOW RATE IN THE X-RAY TUBE
KILOVOLTAGE
TRANSFORMER
TIME
MILIAMPERAGE
66
WHICH IS NOT TRUE REGARDING THE CHARACTERISTICS OF XRAYS
THEY MAKE CRYSTALS REFLECT
THEY CANNOT BE REFRACTED BY A LENS
THEY CAN BE DETECTECTED BY HUMAN SENSES
THEY MOVE AT THE SPEED OF LIGHT
67
WHAT IS NOT REQUIRED FOR XRAY PRODUCTION
LOW VOLTAGE
VACUUM
SOURCE OF ELECTRONS
TARGET
68
DEVICES FOR MONITORING RADIATION EXPOSURE TO PERSONNEL
PERSONNEL BADGE
DOSIMETER
FILM BADGE
MONITORS
69
WHEN THE XRAY IMAGE IS VISIBLE IMMEDIATELY AFTER EXPOSURE WHAT IS THIS SYSTEM TYPE CALLED
FLOUROSCOPY
COMPUTER RADIOGRAPHY (CR)
DIGITAL RADIOGRAPHY (DR)
FILM SCREEN
70
WHAT AFFECTS MAGNIFICATION
BOTH SID AND OID
NEITHER
OID only
SID only
71
UNEQUAL MAGNIFICATION OF VARIOUS PORTIONS OF THE RADIOGRAPHIC SUBJECT AFFECTS WHAT IMAGE FACTOR
IMAGE DETAIL
OPTICAL DENSITY
IMAGE CONTRAST
SHAPE DISTORTION
72
WHO CREATED RADIOGRAPHIC FILM
COOLIDGE
EASTMAN
ROENTGEN
CROOKES
73
TEMPORARY MOLECULES AD PARTS OF MOLECULES WITH ELECTRICAL CHARGES
ATOMS
FREE IONS
PHOTONS
FREE RADICALS
74
WHAT WAS THE FIRST DOCUMENTED APPLICATON OF XRAYS
EDISON
YOUNG BOY WRIST
ROENTGEN WIFE'S HAND
CLARENCE DALLY
75
LONG TERM EFFECTS ARE OBSERVED IN AS LITTLE AS HOW LONG
4 YEARS
3 YEARS
5 YEARS
1 YEAR
76
THE ALARA PRINCIPLE STATES THAT OCCUPATIONAL RADIATION EXPOSURE SHOULD BE LIMITED TO
0.05 Sv per year
0.05 Sv for the 9 months of pregnancy
that needed for the worker's healthcare
THE LEAST AMOUNT THAT IS REASONABLY ACHIEVABLE, NOT TO EXCEED ED LIMITS
