Radiology Midterm Exam Questions PDF

1. Types of radiology: 2. What is roentgen tube? 3. What is the direction of electron in the x-ray tube? 4. What modalities DO NOT use ionizing radiation? (mention at least two) 5. What is attenuation? 6. How can We Study Areas where There Is no Natural Roentgenocontrast? 7. How can...

1. Types of radiology: 2. What is roentgen tube? 3. What is the direction of electron in the x-ray tube? 4. What modalities DO NOT use ionizing radiation? (mention at least two) 5. What is attenuation? 6. How can We Study Areas where There Is no Natural Roentgenocontrast? 7. How can we change attenuation? 8. What kind of rays are used in CT? 9. what is PACS? 10. what is nuclear medicine? 11. What is radioactivity? 12. What are emitted during alpha/beta/gamma decay radiation? 13. How Radiopharmaceuticals work? 14. How are nuclear medicine imaging tests generally performed? 15. What is Planar Scintigraphy? 16. What is SPECT? 17. What is PET (Positron emission tomography)? 18. How does molecular imaging(NM) differ from structural imaging(X-Ray, CT, MRT, US)? 19. What is Ultrasound? 20. Ultrasound uses Ionizing radiation. (true or false?) 21. What is Acoustical impedance? 22. Describe ecogenicities: 1: Hyperechoic (ecogenic)\ 2: Hypoechoic\ 3: Isoechoic\ 4: Anechoic 23. Describe ultrasound artefacts: 1. Acoustic Shadowing\ 2. Acoustic Enhancement\ 3. Mirror Image Artefact 24. What is Doppler Shift? 25. What are the basic components of MRI Equipment? 26. MRI (NMR) utilizes ionizing radiation (true or false?) 27. A MRI procedure is contraindicated for a patient who has.....?? 28. What is number 5/14/16/20/21/27/ on the given X-Ray? 29. What is number 4/6/11/25 on given X-ray?  30. What is number 1/3? 31. what is number 1/2/3 ?  32. what is 1/3/8/15? page18image49915856 33. what is 2/12/16? 34. What is the name of the structure?\  35. what is the name of 4/5?\