Question : Comprehension:
In the following passage, some of the words have been deleted. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.
A recent study that (1)___________ people's brains at different points in their workday (2)_______ high-demand tasks which require intense, constant concentration can lead to the buildup of a (3)_________ toxic chemical called glutamate. Normally used to (4)___________ signals from nerve cells, in large quantities glutamate alters the (5)__________ of a brain region involved in planning and decision-making, the lateral prefrontal cortex (IPFC).
Question:
Select the most appropriate option to fill in the blank number (1).
Option 1: buzzed
Option 2: illuminated
Option 3: scanned
Option 4: answered
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Correct Answer: scanned
Solution : The correct choice is the third option.
The sentence discusses a recent study that involved examining people's brains at different points in their workday. The term "scanned" is suitable in this context because it implies the use of imaging technology, such as MRI or CT scans, to observe and analyse the structure and activity of the brain.
Therefore, the correct word is scanned.
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