1. What is the main principle behind an MRI scan?
A. X-ray diffraction
B. Nuclear magnetic resonance
C. Gamma ray spectroscopy
D. Electron microscopy
2. What type of radiation is used in an MRI scan?
A. Gamma rays
B. X-rays
C. Radio waves
D. Ultraviolet radiation
3. What is the main benefit of using MRI over other imaging techniques?
A. Higher resolution images
B. Lower radiation exposure
C. Ability to image soft tissue
D. All of the above
4. What type of contrast agents can be used in an MRI scan?
A. Radiographic contrast agents
B. Magnetic contrast agents
C. Ultrasound contrast agents
D. All of the above
5. What is the difference between a 1.5 Tesla and 3 Tesla MRI scan?
A. 1.5 Tesla has lower resolution images
B. 3 Tesla has higher resolution images
C. 1.5 Tesla has less radiation exposure
D. 3 Tesla has more radiation exposure
6. What is the most common type of MRI scan?
A. T1-weighted
B. T2-weighted
C. Diffusion-weighted
D. Dynamic contrast-enhanced
7. What is the purpose of using a contrast agent in an MRI scan?
A. To enhance the visibility of certain structures
B. To reduce the radiation exposure
C. To improve the resolution of the images
D. To reduce the scan time
8. What is the main difference between an MRI scan and a CT scan?
A. CT uses X-rays while MRI uses radio waves
B. CT is faster than MRI
C. CT has higher resolution images than MRI
D. CT has higher radiation exposure than MRI
9. Can an MRI scan be used to diagnose certain types of cancer?
A. Yes
B. No
C. Only certain types of cancer
D. Only in advanced stages
10. Can an MRI scan be used to monitor the progression of certain diseases?
A. Yes
B. No
C. Only certain types of diseases
D. Only in advanced stages
Answers:
- B
- C
- D
- B
- B
- B
- A
- A
- A
- A