Podcast
Questions and Answers
What is the main purpose of the imaging system in CT?
What is the main purpose of the imaging system in CT?
- To produce x rays and detect radiation passing through a defined cross-section of the patient (correct)
- To regulate the temperature in the operator's room
- To house the display and storage components
- To operate the computer system
Where is the computer system located in a CT setup?
Where is the computer system located in a CT setup?
- Computer room (correct)
- Display and recording room
- Scanner room
- Operator’s room
Which component is responsible for X-ray production in the imaging system?
Which component is responsible for X-ray production in the imaging system?
- X-ray tube and generator (correct)
- Collimators
- Detector electronics
- Filter
What is the function of collimators in the imaging system?
What is the function of collimators in the imaging system?
Where are the display, recording, and storage components typically located in modern CT setups?
Where are the display, recording, and storage components typically located in modern CT setups?
Which part of the imaging system ensures beam uniformity at the detectors?
Which part of the imaging system ensures beam uniformity at the detectors?
What is the function of the glass envelope in an x-ray tube?
What is the function of the glass envelope in an x-ray tube?
Why are rotating anode X-ray tubes common in CT scans?
Why are rotating anode X-ray tubes common in CT scans?
What is the purpose of the bearing assembly in an x-ray tube?
What is the purpose of the bearing assembly in an x-ray tube?
Why do tubes with metal envelopes solve the problem of electrical arcing?
Why do tubes with metal envelopes solve the problem of electrical arcing?
Which type of design is most commonly used in tubes for spiral/helical CT scanning?
Which type of design is most commonly used in tubes for spiral/helical CT scanning?
What is the significance of using rhenium, tungsten, molybdenum (RTM) alloy in X-ray tubes?
What is the significance of using rhenium, tungsten, molybdenum (RTM) alloy in X-ray tubes?
Which material has about 10 times higher thermal capacity than tungsten?
Which material has about 10 times higher thermal capacity than tungsten?
Why can't tubes with all-metal disks meet the needs of spiral/helical CT imaging?
Why can't tubes with all-metal disks meet the needs of spiral/helical CT imaging?
What is the purpose of the cathode assembly in an x-ray tube?
What is the purpose of the cathode assembly in an x-ray tube?
What component design advances have been made to achieve higher power levels in x-ray tubes for continuous rotation scanners?
What component design advances have been made to achieve higher power levels in x-ray tubes for continuous rotation scanners?
What is the primary purpose of the liquid-bearing technology used in the Straton X-Ray Tube?
What is the primary purpose of the liquid-bearing technology used in the Straton X-Ray Tube?
How does the Straton X-Ray Tube overcome the heat dissipation and cooling rate issues of conventional X-ray tubes?
How does the Straton X-Ray Tube overcome the heat dissipation and cooling rate issues of conventional X-ray tubes?
What is the advantage of the electron beam in the Straton X-Ray Tube?
What is the advantage of the electron beam in the Straton X-Ray Tube?
What is the purpose of alternating the electron beam in the Straton X-Ray Tube?
What is the purpose of alternating the electron beam in the Straton X-Ray Tube?
What is one of the advantages of the Straton X-Ray Tube compared to conventional X-ray tubes?
What is one of the advantages of the Straton X-Ray Tube compared to conventional X-ray tubes?
Which of the following is NOT an advantage of the Straton X-Ray Tube?
Which of the following is NOT an advantage of the Straton X-Ray Tube?
What is the primary function of the gantry in a CT scanner?
What is the primary function of the gantry in a CT scanner?
What is the purpose of the gantry aperture?
What is the purpose of the gantry aperture?
What is the typical range of tilt for the CT gantry?
What is the typical range of tilt for the CT gantry?
What is the purpose of the laser beams in a CT scanner?
What is the purpose of the laser beams in a CT scanner?
Which of the following is NOT an essential part of the gantry?
Which of the following is NOT an essential part of the gantry?
What is the purpose of the high-voltage generator in a CT scanner?
What is the purpose of the high-voltage generator in a CT scanner?
What is the typical power rating range for CT generators?
What is the typical power rating range for CT generators?
Which component of the CT scanner converts the analog information from the detectors into digital data?
Which component of the CT scanner converts the analog information from the detectors into digital data?
What is the primary function of the collimators in a CT scanner?
What is the primary function of the collimators in a CT scanner?
What is the purpose of the slip rings in the CT gantry?
What is the purpose of the slip rings in the CT gantry?