Quiz on Magnetic Resonance Imaging (MRI)

What is the primary element that MRI targets in the body?

• Oxygen

• Hydrogen

• Carbon

• Nitrogen

Which type of imaging provides good anatomical detail in MRI?

• Ultrasound

• CT scans

• T2-weighted images

• T1-weighted images

What is the role of gradient fields in MRI?

• To enhance image color

• To localize the signal from specific areas

• To reduce scan time

• To increase the magnetic field strength

Which contrast agent is commonly used in MRI?

• Carbon dioxide

• Iodine-based agents

• Gadolinium-based agents

• Barium sulfate

What is a significant advantage of MRI over CT scans?

• Better bone imaging

• Faster imaging

• No ionizing radiation

• Lower cost

Which type of MRI image is sensitive to fluid and highlights pathological changes?

• T1-weighted images

• T2-weighted images

• 3D images

• Functional images

What is a limitation of MRI?

• It cannot image the brain

• It can be expensive

• It is less effective for soft tissues

• It uses ionizing radiation

Which application is NOT typically associated with MRI?

• Blood tests

• Tumor detection

• Brain imaging

• Cardiac imaging

What does T1 relaxation time measure?

• The time for protons to lose phase coherence

• The time for protons to absorb energy

• The time for protons to align with the magnetic field

• The time for protons to return to equilibrium

Which of the following is a common use of MRI in musculoskeletal disorders?

• Measuring blood flow

• Assessing soft tissue injuries

• Detecting infections

• Evaluating bone density