The statement which is true of nicotine is: C. it deactivates neurotransmitters.
Nicotine can be defined as a toxic yellowish chiral alkaloid (oily liquid) which is mainly found in tobacco plants. Also, nicotine can be produced synthetically in the laboratory.
Generally, nicotine is a substance that is commonly used as a stimulant and anxiolytic. The reinforcing or stimulating actions of nicotine are mainly evident on dopamine cells located within the ventral tegmental area.
Consequently, nicotine disrupts or alters the normal relationship existing between a neurotransmitter and the receptors that bind to it such as acetylcholine.
Hence, nicotine is an addictive substance that deactivates neurotransmitters.
In conclusion, due to the fact that nicotine are addictive, many smokers often continue to smoke tobacco products even after developing lung cancer or heart attacks.
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