Proton Density Helps Determine Signal Strength; However, It Cannot Be

question 19

Multiple Choice

Proton density helps determine signal strength; however, it cannot be used alone because of the:

• A) rate at which excited protons release energy to the environment.
• B) different chemical environments of the nuclei.
• C) fact that most soft tissues have similar numbers of protons.
• D) influence of surrounding nuclei.

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