12 Questions
What is another name for magnetic resonance imaging (MRI)?
Nuclear magnetic resonance imaging (NMRI)
Which type of energy source is used in MRI?
Radio waves
What type of radiation is NOT used in MRI?
Radio waves
What property of atomic nuclei does MRI rely on?
Magnetic properties
In MRI, what can interact with low energy radio waves to change nuclear spins?
^{1}H and ^{13}C
What type of wavelength do radio waves in MRI typically have?
More than 10^7 nm
What is the main factor that makes hydrogen the most stimulating element for magnetic resonance imaging (MRI)?
The number of protons in its atomic nucleus
In the context of magnetic resonance, what contributes to the gradient of gray colors seen in MRI images?
The varying strength of the magnetic field
How do positively charged protons exhibit magnetic properties inside the human body?
By responding to external magnetic fields
What happens to the direction of proton's magnetic field when placed inside an external magnetic field (B0)?
It aligns with or against B0
Why are humans not considered magnets despite having scattered protons with magnetic properties?
The magnetic moment of protons is very weak
Why are positively charged protons likened to magnets in the human body?
Because they form a magnetic field when spinning
Learn about the basics of Magnetic Resonance Imaging (MRI), including its history, principles, and how it works. Discover how MRI utilizes magnetic fields and radio waves to generate detailed images of the body.
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