Brain imaging

Brain imaging Quiz

Spec 8.9 · Edexcel A-Level Biology A: Quiz

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5 questions, one answer each

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  1. 1. Which scan uses a strong magnetic field and radio waves but no ionising radiation?

    • A. CT
    • B. PET
    • C. MRI
    • D. Radiotherapy

  2. 2. Which scan would be most suitable for quickly checking a patient for bleeding in the skull?

    • A. CT scan
    • B. fMRI scan
    • C. PET scan
    • D. MRI scan of the whole body

  3. 3. What does an fMRI scan detect?

    • A. Gamma rays from a tracer
    • B. Absorption of X-rays
    • C. Changes in blood oxygen
    • D. Electrical impulses

  4. 4. Why does a PET scan show active areas?

    • A. Active areas absorb more X-rays
    • B. Active areas take up more of the radioactive glucose analogue
    • C. Active areas contain more water
    • D. Active areas move more

  5. 5. A patient has a pacemaker. Which scan is most likely to be unsuitable?

    • A. CT
    • B. MRI
    • C. PET
    • D. None of them

Quiz