Rad135 Final Exam Review- Part 1 Question Preview (ID: 56140)


This Content Covers Several Chapters From The Text To Help You Prepare For The Final Exam In Rad135. TEACHERS: click here for quick copy question ID numbers.

What is the power rating in kilowatts (kW) for a three-phase generator that is able to deliver 100 kVp at 1,500 mA?
a) 15 kW
b) 150 kW
c) 1500 kW
d) 15,000 kW

Which device or component on an x-ray table holds the cassette/detector in place?
a) bucky tray
b) ancillary equipment
c) overhead support
d) table top

What is the range, in milliamperes (mA), of a diagnostic x-ray unit?
a) 20-210 mA
b) 30-300 mA
c) 400-800 mA
d) 10-1200 mA

Which of the following is the most costly tube suspension system?
a) floor mounted
b) floor-to-ceiling mounted
c) mobile system
d) overhead suspension system

A full-wave rectified, three phase, six-pulse waveform has about what percent voltage ripple?
a) 4%
b) 13%
c) 40%
d) 80%

What circuit modifies the incoming line power to generate the thermionic emission in the filament wire of the x-ray tube?
a) filament circuit
b) timer circuit
c) anode circuit
d) primary circuit

Nearly all x-ray equipment operates from an incoming line of how many volts?
a) 70-100
b) 210-220
c) 250-300
d) 400-500

According to US Public Law 90-602, for exposures above 50 kVp, the exposure must not exceed what milliampere-seconds (mAs)?
a) 400
b) 500
c) 600
d) depends on the exam and patient's body habitus

Single phase generators that have full-wave rectification create a voltage ripple of how many pulses per Hertz (120 pulses per second)?
a) 2
b) 4
c) 6
d) 12

What type of unit has the x-ray tube and bucky tray travelling in opposite arcs during exposure?
a) mammography unit
b) simulator unit
c) magnetic resonance unit
d) tomographic unit

Which of the following materials must be utilized to fill the space between the envelope and the tube housing?
a) argon gas
b) dielectric oil
c) air
d) silicon

Which of the following best describes the circular path that will be struck by the electron beam in the x-ray tube?
a) anode
b) focusing cup
c) focal track
d) cathode

What is the name given to the shallow depression in the cathode assembly?
a) dual focus
b) filament
c) focusing cup
d) focal spot

Which of the following is the more likely cause of x-ray tube breakdown?
a) loss of vacuum
b) filament breakage
c) crack in glass envelope
d) melting of rotor

Which of the following is the most common material used for filtering the x-ray beam?
a) tungsten
b) lead
c) steel
d) aluminum

Which of the following is not part of the cathode assembly?
a) filament
b) stator
c) focusing cup
d) filament associated wiring

Cracking of the anode typically occurs ____.
a) with extended use
b) when the anode is off-focus
c) when a cold anode is hit with a high kVp exposure
d) when the cathode cup touches the anode, causing a short

Leakage radiation from the lead-lined housing must not exceed ____.
a) 10 mR/hr at 40 in
b) 100 mR/min at 36 in
c) 10 mR/min at tube head
d) 100 mR/hr at 1 m

If the peak kVp is 110, the average keV energy of the beam would be ____ keV.    This is a single phase machine.
a) 12-24
b) 33-44
c) 66-77
d) 110

The only portion of the anode assembly that is placed outside the vacuum of the envelope is the ____.
a) rotor
b) stator
c) focusing cup
d) anode

Play Games with the Questions above at ReviewGameZone.com
To play games using the questions from above, visit ReviewGameZone.com and enter game ID number: 56140 in the upper right hand corner or click here.

TEACHERS / EDUCATORS
Log In | Sign Up / Register

Help / Support / FAQ




Gaming Links