If you were to insert an electrode at random into the brain, the odds are that the neuron you would hit would be one that uses the neurotransmitter ____.
A) glutamate
B) serotonin
C) acetylcholine
D) endorphin

Question

Quizplus · Accepted Answer

Glutamate is the most widespread excitatory neurotransmitter in the brain, and it is involved in a wide range of cognitive functions such as learning and memory. Therefore, the odds of randomly hitting a neuron that uses glutamate are higher than other neurotransmitters. The other options (B, C, and D) are less common neurotransmitters or only involved in specific functions.

If You Were to Insert an Electrode at Random into the Brain