Step-by-step explanation:
The correct answer is:
a) It stimulates the central nervous system.
Cocaine is a powerful stimulant drug that affects the central nervous system. When consumed, it increases the levels of dopamine, a neurotransmitter associated with pleasure and reward, in the brain. This leads to a range of effects on the body, including:
1. Increased energy and alertness: Cocaine stimulates the central nervous system, leading to increased energy, wakefulness, and a sense of euphoria.
2. Elevated heart rate and blood pressure: Cocaine can cause an increase in heart rate and blood pressure, which can put strain on the cardiovascular system and increase the risk of heart-related problems.
3. Constricted blood vessels: Cocaine causes blood vessels to constrict, reducing blood flow to various organs and tissues. This can lead to serious health complications, including organ damage.
4. Dilated pupils: Cocaine use can cause pupils to dilate (enlarge).
5. Suppressed appetite: Cocaine can act as an appetite suppressant, leading to decreased hunger and potential weight loss.
It is important to note that cocaine use can also have negative effects on mental health, including anxiety, paranoia, and irritability. Additionally, repeated and long-term cocaine use can lead to addiction, tolerance, and dependence, with significant negative consequences for both physical and mental health.