One technique that may allow scientists to find tau in living brain tissue of a
ID: 145358 • Letter: O
Question
One technique that may allow scientists to find tau in living brain tissue of a living person is positron emission tomography (PET). Accurate radiotracers are needed in order for this technique to work well. What would be a characteristic of a good radiotracer for detecting chronic traumatic encephalopathy (CTE)? Select -ALL- that apply.
compound binds specifically to tau tangles
compound binds to microtubules of axons
compound does not emit positrons
compound can be easily taken up neuronal tissues
compound is not toxic to healthy cells
A.compound binds specifically to tau tangles
B.compound binds to microtubules of axons
C.compound does not emit positrons
D.compound can be easily taken up neuronal tissues
E.compound is not toxic to healthy cells
Explanation / Answer
Answer : Option A is correct (compound binds specifically to tau tangles)
Explanation:As we know that CTE is progressive degenerative brain disease.it start with memory loss, difficulty in concentration and mood swing etc. CTE also results in aggration and lack of impulse control.repeated hits to the head is the only way to get CTE.it is non caurable. Head Trauma causes a build of an abnormal protein called as TAU in the brain.location of TAU as well as amount of TAU dengerous to brain is exactly not known yet so radiologist are concerned only with the complex binding to TAU tangles.it can be only diagnosed by CTE.
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