MRSO - RADIO FREQUENCY - MODULE 4 questions with correct answers
Purpose of RF (B1) field - correct answer excite hydrogen protons RF energy is absorbed by tissues - correct answer within the volume of the RF transmit coil. This is a thermogenic process. Thermogenic process - correct answer Results in production of heat. Ex: RF energy absorption MRI local and whole-body tissue heating is due to - correct answer magnetic induction Types of RF coil designs - correct answer -linearly polarized -circularly polarized (quadrature) Function of coils - correct answer -transmit only -receive only -transmit/receive Most common type of coil used - correct answer receive only Integrated body coils are capable of functioning - correct answer -as transmit/receive coil -as transmit only coil When receive only coil is used, RF energy is transmitted by - correct answer the integrated body coil
Document information
- Uploaded on
- July 20, 2023
- Number of pages
- 12
- Written in
- 2022/2023
- Type
- Exam (elaborations)
- Contains
- Questions & answers