MOTIVATION EMOTION AND STRESS
STRESS AND HEALTH
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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It fails to relax skeletal muscles.
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It decreases heart rate and blood pressure.
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It deactivates the sympathetic nervous system.
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It is a stimulant.
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Detailed explanation-1: -Nicotine acts as both a stimulant and a depressant to the central nervous system. Nicotine first causes a release of the hormone epinephrine, which further stimulates the nervous system and is responsible for part of the “kick” from nicotine-the drug-induced feelings of pleasure and, over time, addiction.
Detailed explanation-2: -Nicotine can be considered both stimulant and a depressant. True: Nicotine is called a biphasic drug because it tends to act as stimulant at lower doses, but it acts as a depressant at higher doses. When using commercial tobacco products, people reach the peak blood level of nicotine have identified.
Detailed explanation-3: -Stimulation of central nAChRs by nicotine results in the release of a variety of neurotransmitters in the brain, most importantly dopamine. Nicotine causes the release of dopamine in the mesolimbic area, the corpus striatum, and the frontal cortex.
Detailed explanation-4: -Why is nicotine considered a stimulant? It is considered a stimulant because it increases your heart rate. How does smoking harm the respiratory system?