ARRT REGISTRY IMAGE
PRODUCTION EXAM QUESTIONS AND
ANSWERS
voltage is stepped up or stepped down by only a small amount and
sent to the _______ side of the high voltage step up transformer -
correct answer ✅primary
where is the timer in the X-ray circuit? -
correct answer ✅between autotransformer and high voltage
transformer
mAs timers are used with __________ generators -
correct answer ✅falling load
AEC -
correct answer ✅fixed kVp, controlled mAs
positioning must be perfect
what is the shortest time with AEC? -
correct answer ✅1 ms
falling load generator -
correct answer ✅RT sets mAs and kVp
,ARRT REGISTRY IMAGE
PRODUCTION EXAM QUESTIONS AND
ANSWERS
when max heat load of tube has been reached, the generator
decreases the mA to the next lower level that the tube can handle
step up transformer -
correct answer ✅alternating current
primary coil receives voltage from the autotransformer
operates on mutual induction
voltage in the primary coil is boosted to the kV level in the
secondary coil
conditions necessary for producing xrays -
correct answer ✅source of electrons
acceleration of electrons
sudden stop of electrons against target material
xray tube requires ______ current to operate properly -
correct answer ✅direct
rectifier -
correct answer ✅Changes alternating current to direct current
,ARRT REGISTRY IMAGE
PRODUCTION EXAM QUESTIONS AND
ANSWERS
solid state semiconductor diodes
consist of n and p type semiconductors
_________ diodes provides ______wave rectification for single
phase power -
correct answer ✅four; full
_______ diodes provides full wave rectification for three phase
power -
correct answer ✅6 or 12
what does the filament circuit do? -
correct answer ✅regulates the flow of electrical current to the
filament of the x-ray tube
what is the negative electrode in the tube? -
correct answer ✅cathode
what are filaments in the cathode made of and why? -
correct answer ✅tungsten; high melting point
, ARRT REGISTRY IMAGE
PRODUCTION EXAM QUESTIONS AND
ANSWERS
thermionic emission -
correct answer ✅the release of electrons from the tungsten
filament when the electrical current passes through it and heats the
filament
where is the focusing cup located? -
correct answer ✅cathode
what is the positive electrode in the tube? -
correct answer ✅anode
what material is the anode made up of? -
correct answer ✅tungsten target and copper stem
line focus principle -
correct answer ✅the effect of making the actual focal spot size
appear smaller when viewed from the position of the film because
of the angle of the target to the electron stream
PRODUCTION EXAM QUESTIONS AND
ANSWERS
voltage is stepped up or stepped down by only a small amount and
sent to the _______ side of the high voltage step up transformer -
correct answer ✅primary
where is the timer in the X-ray circuit? -
correct answer ✅between autotransformer and high voltage
transformer
mAs timers are used with __________ generators -
correct answer ✅falling load
AEC -
correct answer ✅fixed kVp, controlled mAs
positioning must be perfect
what is the shortest time with AEC? -
correct answer ✅1 ms
falling load generator -
correct answer ✅RT sets mAs and kVp
,ARRT REGISTRY IMAGE
PRODUCTION EXAM QUESTIONS AND
ANSWERS
when max heat load of tube has been reached, the generator
decreases the mA to the next lower level that the tube can handle
step up transformer -
correct answer ✅alternating current
primary coil receives voltage from the autotransformer
operates on mutual induction
voltage in the primary coil is boosted to the kV level in the
secondary coil
conditions necessary for producing xrays -
correct answer ✅source of electrons
acceleration of electrons
sudden stop of electrons against target material
xray tube requires ______ current to operate properly -
correct answer ✅direct
rectifier -
correct answer ✅Changes alternating current to direct current
,ARRT REGISTRY IMAGE
PRODUCTION EXAM QUESTIONS AND
ANSWERS
solid state semiconductor diodes
consist of n and p type semiconductors
_________ diodes provides ______wave rectification for single
phase power -
correct answer ✅four; full
_______ diodes provides full wave rectification for three phase
power -
correct answer ✅6 or 12
what does the filament circuit do? -
correct answer ✅regulates the flow of electrical current to the
filament of the x-ray tube
what is the negative electrode in the tube? -
correct answer ✅cathode
what are filaments in the cathode made of and why? -
correct answer ✅tungsten; high melting point
, ARRT REGISTRY IMAGE
PRODUCTION EXAM QUESTIONS AND
ANSWERS
thermionic emission -
correct answer ✅the release of electrons from the tungsten
filament when the electrical current passes through it and heats the
filament
where is the focusing cup located? -
correct answer ✅cathode
what is the positive electrode in the tube? -
correct answer ✅anode
what material is the anode made up of? -
correct answer ✅tungsten target and copper stem
line focus principle -
correct answer ✅the effect of making the actual focal spot size
appear smaller when viewed from the position of the film because
of the angle of the target to the electron stream
