LMRT Core Review Study Guide 2026/2027 | Actual Questions
And Answers Latest Updated 2026/2027 (Graded A+)
•
O/S the glass envelope& inside the rotor
- ✔✔Where is the stator of the anode induction motor located?
•
Autotransformer & the timer circuit
- ✔✔The exposure switch is found between the
•
Variable resistor
- ✔✔The electrical device used to adjust the mA selection is a/an
•
Incoming line & the step-down transformer
- ✔✔The timer control is found b/w the
•
Incoming line & the exposure switch
- ✔✔The kVp control is found b/w the
•
Rotor speed
- ✔✔All of the following are radiographer-operated controls EXCEPT
•
Smaller Object Image Distance (OID)
- ✔✔The key advantage of a curved-top radiographic table is the
•
Must not exceed 600 mAs
- ✔✔When using AEC at 80 kVp, b/u times
•
Fluoroscopic tower
- ✔✔All of the following are XR tube support systems EXCEPT
•
210V
- ✔✔Nearly all the types of XR equipment operate from an incoming line of
•
Voltage
- ✔✔When full-wave rectification is applied to 3-phase current, a_ ripple is produced.
, •
6
- ✔✔A 3-phase, rectified current produces a voltage ripple of_ pulses per Hz.
•
Handgrips
- ✔✔Ancillary equipment for titling tables includes
•
Low abrasion surface to lessen patient slippage as they transfer
- ✔✔All of the following are desired features radiographic tables EXCEPT
•
Exposure time
- ✔✔Automatic exposure control (AEC) technology determines
•
Have a tendency to produce leakage exposure after exposure termination
- ✔✔When compared to battery-powered portable radiographic units, capacitor discharge
mobile units
•
Thermionic Emission
- ✔✔All of the following are related except one. Select the one that is NOT RELATED.
•
Copper
- ✔✔All of the following are preferred cathode filament materials EXCEPT
•
High melting points
- ✔✔Filament materials are chosen primarily for their
•
A small amperage
- ✔✔Driving the thermionic cloud from the cathode to the anode requires
•
3-three phase generators are preferred
- ✔✔In order to time the XR exposure w/rapid inspiration on an infant
•
Space Charge Effect
- ✔✔As more & more electron build up in the area of the filament, their negative charges
oppose the emission of add't electrons
And Answers Latest Updated 2026/2027 (Graded A+)
•
O/S the glass envelope& inside the rotor
- ✔✔Where is the stator of the anode induction motor located?
•
Autotransformer & the timer circuit
- ✔✔The exposure switch is found between the
•
Variable resistor
- ✔✔The electrical device used to adjust the mA selection is a/an
•
Incoming line & the step-down transformer
- ✔✔The timer control is found b/w the
•
Incoming line & the exposure switch
- ✔✔The kVp control is found b/w the
•
Rotor speed
- ✔✔All of the following are radiographer-operated controls EXCEPT
•
Smaller Object Image Distance (OID)
- ✔✔The key advantage of a curved-top radiographic table is the
•
Must not exceed 600 mAs
- ✔✔When using AEC at 80 kVp, b/u times
•
Fluoroscopic tower
- ✔✔All of the following are XR tube support systems EXCEPT
•
210V
- ✔✔Nearly all the types of XR equipment operate from an incoming line of
•
Voltage
- ✔✔When full-wave rectification is applied to 3-phase current, a_ ripple is produced.
, •
6
- ✔✔A 3-phase, rectified current produces a voltage ripple of_ pulses per Hz.
•
Handgrips
- ✔✔Ancillary equipment for titling tables includes
•
Low abrasion surface to lessen patient slippage as they transfer
- ✔✔All of the following are desired features radiographic tables EXCEPT
•
Exposure time
- ✔✔Automatic exposure control (AEC) technology determines
•
Have a tendency to produce leakage exposure after exposure termination
- ✔✔When compared to battery-powered portable radiographic units, capacitor discharge
mobile units
•
Thermionic Emission
- ✔✔All of the following are related except one. Select the one that is NOT RELATED.
•
Copper
- ✔✔All of the following are preferred cathode filament materials EXCEPT
•
High melting points
- ✔✔Filament materials are chosen primarily for their
•
A small amperage
- ✔✔Driving the thermionic cloud from the cathode to the anode requires
•
3-three phase generators are preferred
- ✔✔In order to time the XR exposure w/rapid inspiration on an infant
•
Space Charge Effect
- ✔✔As more & more electron build up in the area of the filament, their negative charges
oppose the emission of add't electrons
