10/3/25, 8:33 PM RADT 1010 Final EXAM (updated 2025) Questions & Answers | Latest Already Graded A+ UPDATE 2025|2026 Flashcards | Quizlet
RADT 1010 Final EXAM (updated 2025) Questions
& Answers | Latest Already Graded A+ UPDATE
2025|2026
Save
Terms in this set (359)
Production of xrays source of electrons, target, high-voltage, vacuum
require four factors
what is the envelope pyrex glass or metal, 10'' long, 6'' central diameter, 2''
made of + the dimensions peripheral diameter
- controls leakage and scatter radiation
What purpose does
- isolates high voltages
protective housing serve?
- provides means to cool tube
what controls leakage - housing made of lead-lined cast steel
radiation and scatter - leakage radiation limit (100 milliroentgens per hour
radiation at 1 meter)
what controls high- - dielectric oil (insulates, promotes cooling)
voltage isolation and tube - air fan
cooling
- filament(s)
what is the cathode made
- focusing cup
up of
- associated wiring
must provide enough resistance to e- flow so that
what must the filament do heat produced will cause thermionic emission (occurs
@ 2200 degrees)
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,10/3/25, 8:33 PM RADT 1010 Final EXAM (updated 2025) Questions & Answers | Latest Already Graded A+ UPDATE 2025|2026 Flashcards | Quizlet
tungsten because it has high melting point and
filament material and why difficult to vaporize. Can also be rhenium and
molybdenum.
occurs when filament heated at 2200 degrees, causes
Explain thermionic electrons to be released from filament. when high
emission voltage released at exposure, e- are driven toward
anode
- tube arcing (vaporized tungsten collection on
what causes tube failure envelop)
- filament breakage (often due to boost and hold)
what is the focusing cup nickel or molybdenum
made of
does a focusing cup have low negative
a high/low,
negative/postivite
potential
what is the mA for space maximum mA is 1000-1200
charge effect
- target surface
three functions of anode
- conducts high voltage
assembly
- serves as primary thermal conductor
- anode
components of rotating
- stator
anode assembly
- rotor
located outside envelope, is a bank of
Description of stator
electromagnets
- is a copper cylinder connected to an anode disk by
a molybdenum stem.
description of rotor
- It turns when the stator is energized.
- contains ball bearings.
at what speed does the - 3200-3600 rpm
rotor turn at - 10000-20000 rpm high speed anodes
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,10/3/25, 8:33 PM RADT 1010 Final EXAM (updated 2025) Questions & Answers | Latest Already Graded A+ UPDATE 2025|2026 Flashcards | Quizlet
tungsten-rhenium alloy, because it has high atomic
what is the rotating anode
number, high melting point, has heat conducting
made of and why
ability
what temperature does reaches 1000-2000 degrees in normal use
the focal track get to
what is the anode backed molybdenum and/or graphite. backing assists with
with and why is it backed heat loading
warmup procedure of prevents cracking, helps maintain vacuum, stress
anode benefits relieved anode
portion of anode that electron stream contacts, point
what is target area and
source of xray photons
what areas
- target, focus, focal point, focal spot, focal track
is a large or small focal large focal spot is better for life of anode
spot better for life of
anode
what size focal spot is small focal spot
required for image quality
by using a small anode angle you can change the size
What is the line focus of the effective focal spot (make it smaller for better
principle? resolution) without increasing the heat and damaging
the anode.
what is effective focal actual focal spot and target angle
spot controlled by
10-1200 mA
what are the diagnostic
0.001 to 10 seconds
ranges
30-150 kVp
uniform, radiolucent surface, easy to clean, no
description of xray table crevices that could collect contrast media, contains
bucky/IR
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, 10/3/25, 8:33 PM RADT 1010 Final EXAM (updated 2025) Questions & Answers | Latest Already Graded A+ UPDATE 2025|2026 Flashcards | Quizlet
- overhead
- floor
what are the different tube
- floor to ceiling
supports
- mobile
- c-arm
what are the uses of chest, abdomen, AC joints, cervical spine
upright units
1. insulation
how is shock hazard
2. grounded wire sheath
minimized from the high-
3. secondary side of high voltage transformer is
voltage cables
grounded
power on/off, kV, mA, time, exam (hand, hip,etc.), AEC
what can be selected on
chambers, detector being used, focal spot size, view
operating console
worklist
deadman switch, pressing halfway down starts rotor
exposure switch
and filament boost circuit, depress in one motion to
description
maximize tube life
how long do moblie xray mobile xray exposure switch requires 3-meter cord
unit cord need to be
- supplies electrical power to xray tube (high voltage
what does the generator b/w anode and cathode, filament voltage/current)
do - controls exposure timing (turns exposure on and off,
high voltage switched on and off)
what does the main xray exposure switch, timer circuit
circuit contain
- 60 Hz alternating current (mains supply/incoming
line current; 3-phase)
incoming line current
- 120 V
description
- will be converted to high voltage and to high
current in different parts of the xray circuit
- most imaging systems operate on 220 V (some 110 or
line compensation
440)
description
- incoming power is not always accurate
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RADT 1010 Final EXAM (updated 2025) Questions
& Answers | Latest Already Graded A+ UPDATE
2025|2026
Save
Terms in this set (359)
Production of xrays source of electrons, target, high-voltage, vacuum
require four factors
what is the envelope pyrex glass or metal, 10'' long, 6'' central diameter, 2''
made of + the dimensions peripheral diameter
- controls leakage and scatter radiation
What purpose does
- isolates high voltages
protective housing serve?
- provides means to cool tube
what controls leakage - housing made of lead-lined cast steel
radiation and scatter - leakage radiation limit (100 milliroentgens per hour
radiation at 1 meter)
what controls high- - dielectric oil (insulates, promotes cooling)
voltage isolation and tube - air fan
cooling
- filament(s)
what is the cathode made
- focusing cup
up of
- associated wiring
must provide enough resistance to e- flow so that
what must the filament do heat produced will cause thermionic emission (occurs
@ 2200 degrees)
https://quizlet.com/1086997680/radt-1010-final-exam-updated-2025-questions-answers-latest-already-graded-a-update-20252026-flash-cards/?new 1/34
,10/3/25, 8:33 PM RADT 1010 Final EXAM (updated 2025) Questions & Answers | Latest Already Graded A+ UPDATE 2025|2026 Flashcards | Quizlet
tungsten because it has high melting point and
filament material and why difficult to vaporize. Can also be rhenium and
molybdenum.
occurs when filament heated at 2200 degrees, causes
Explain thermionic electrons to be released from filament. when high
emission voltage released at exposure, e- are driven toward
anode
- tube arcing (vaporized tungsten collection on
what causes tube failure envelop)
- filament breakage (often due to boost and hold)
what is the focusing cup nickel or molybdenum
made of
does a focusing cup have low negative
a high/low,
negative/postivite
potential
what is the mA for space maximum mA is 1000-1200
charge effect
- target surface
three functions of anode
- conducts high voltage
assembly
- serves as primary thermal conductor
- anode
components of rotating
- stator
anode assembly
- rotor
located outside envelope, is a bank of
Description of stator
electromagnets
- is a copper cylinder connected to an anode disk by
a molybdenum stem.
description of rotor
- It turns when the stator is energized.
- contains ball bearings.
at what speed does the - 3200-3600 rpm
rotor turn at - 10000-20000 rpm high speed anodes
https://quizlet.com/1086997680/radt-1010-final-exam-updated-2025-questions-answers-latest-already-graded-a-update-20252026-flash-cards/?new 2/34
,10/3/25, 8:33 PM RADT 1010 Final EXAM (updated 2025) Questions & Answers | Latest Already Graded A+ UPDATE 2025|2026 Flashcards | Quizlet
tungsten-rhenium alloy, because it has high atomic
what is the rotating anode
number, high melting point, has heat conducting
made of and why
ability
what temperature does reaches 1000-2000 degrees in normal use
the focal track get to
what is the anode backed molybdenum and/or graphite. backing assists with
with and why is it backed heat loading
warmup procedure of prevents cracking, helps maintain vacuum, stress
anode benefits relieved anode
portion of anode that electron stream contacts, point
what is target area and
source of xray photons
what areas
- target, focus, focal point, focal spot, focal track
is a large or small focal large focal spot is better for life of anode
spot better for life of
anode
what size focal spot is small focal spot
required for image quality
by using a small anode angle you can change the size
What is the line focus of the effective focal spot (make it smaller for better
principle? resolution) without increasing the heat and damaging
the anode.
what is effective focal actual focal spot and target angle
spot controlled by
10-1200 mA
what are the diagnostic
0.001 to 10 seconds
ranges
30-150 kVp
uniform, radiolucent surface, easy to clean, no
description of xray table crevices that could collect contrast media, contains
bucky/IR
https://quizlet.com/1086997680/radt-1010-final-exam-updated-2025-questions-answers-latest-already-graded-a-update-20252026-flash-cards/?new 3/34
, 10/3/25, 8:33 PM RADT 1010 Final EXAM (updated 2025) Questions & Answers | Latest Already Graded A+ UPDATE 2025|2026 Flashcards | Quizlet
- overhead
- floor
what are the different tube
- floor to ceiling
supports
- mobile
- c-arm
what are the uses of chest, abdomen, AC joints, cervical spine
upright units
1. insulation
how is shock hazard
2. grounded wire sheath
minimized from the high-
3. secondary side of high voltage transformer is
voltage cables
grounded
power on/off, kV, mA, time, exam (hand, hip,etc.), AEC
what can be selected on
chambers, detector being used, focal spot size, view
operating console
worklist
deadman switch, pressing halfway down starts rotor
exposure switch
and filament boost circuit, depress in one motion to
description
maximize tube life
how long do moblie xray mobile xray exposure switch requires 3-meter cord
unit cord need to be
- supplies electrical power to xray tube (high voltage
what does the generator b/w anode and cathode, filament voltage/current)
do - controls exposure timing (turns exposure on and off,
high voltage switched on and off)
what does the main xray exposure switch, timer circuit
circuit contain
- 60 Hz alternating current (mains supply/incoming
line current; 3-phase)
incoming line current
- 120 V
description
- will be converted to high voltage and to high
current in different parts of the xray circuit
- most imaging systems operate on 220 V (some 110 or
line compensation
440)
description
- incoming power is not always accurate
https://quizlet.com/1086997680/radt-1010-final-exam-updated-2025-questions-answers-latest-already-graded-a-update-20252026-flash-cards/?new 4/34
