The Most Frequently Used Excitatory Neurotransmitter in the Central Nervous

question 46

Multiple Choice

The most frequently used excitatory neurotransmitter in the central nervous system is

• A) serotonin.
• B) ACh.
• C) GABA.
• D) glutamate.

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Definitions:

Hypotonic

describes a solution that has a lower concentration of solutes compared to another solution, leading to water moving into the cell.

Isotonic

A solution that has the same solute concentration as another solution, preventing the movement of water across a semipermeable membrane.

Osmosis

The spontaneous movement of solvent molecules through a semi-permeable membrane from a region of lower solute concentration to one of higher solute concentration.

Translocation

The movement of substances within an organism or the transfer of genes or segments of chromosomes from one location to another.