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Psychoactive Drugs PowerPoint Presentation

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Description : Check out this medical presentation on Neurology, which is titled "Psychoactive Drugs", to know how psychoactive drugs change the functioning of the CNS.

Tags : Neurology, Psychoactive Drugs, CNS

Published on : Aug 23, 2021 | Views : 1834 | Downloads : 5

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Your decision to stay healthy and drug free will help you succeed in school. Psychoactive Drugs
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In this lesson, you will learn to: Identify the harmful effects of psychoactive drugs on body systems Examine the role psychoactive drugs and other substances play in unsafe situations Discuss the importance of alternatives to drug and substance use Develop strategies for avoiding drug use Lesson Objectives
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Understanding Psychoactive Drugs The central nervous system (CNS), which includes the brain and the spinal cord, is an amazingly complex part of the body. Every form of activity, from bending a finger to solving abstract problems, involves the central nervous system. Psychoactive drugs change the functioning of the CNS. Classification of Psychoactive Drugs
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Groups of Psychoactive Drugs There are four main groups of psychoactive drugs: stimulants, depressants, narcotics, and hallucinogens. Some of these drugs have medicinal value when properly used. However, even under a doctor’s supervision, they carry risks. When psychoactive drugs are misused or abused, a person’s health and the proper function of all body systems are seriously affected. Classification of Psychoactive Drugs
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Forms of Stimulants Sometimes stimulants are prescribed for specific medical conditions. Although some stimulants have medical uses, many of these substances are used illegally. The most dangerous of the illegal stimulants are cocaine, amphetamines, and methamphetamine. Health Risks of Stimulants
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Cocaine Cocaine is a rapid-acting, powerful, highly addictive stimulant that interrupts normal functioning of the central nervous system. The purchase and possession of cocaine is illegal everywhere in the United States. Cocaine is a white powder extracted from the leaves of the coca plant. Cocaine users can experience a surge of self-confidence and euphoria. Health Risks of Stimulants
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Harmful Effects of Cocaine Regular use can lead to depression, fatigue, paranoia, and physiological dependence. When cocaine is snorted, it shrinks the tiny blood vessels in the nose. When users inject cocaine, they risk contracting HIV or hepatitis B from infected needles. Overdosing can result in cardiac arrest, respiratory failure, seizures, and death. Health Risks of Stimulants
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Crack An even more dangerous form of cocaine is crack. Also known as crack cocaine, rock, or freebase rock, crack is one of the most deadly drugs available. Health Risks of Stimulants
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Harmful Effects of Crack It is a very pure form of cocaine that reaches the brain seconds after being smoked or injected. Once in the blood, it causes heart rate and blood pressure to soar to dangerous levels. Death may result from cardiac or respiratory failure. Mixing cocaine and alcohol is extremely dangerous. These substances are combined in the liver, increasing the risk of death from liver failure. Health Risks of Stimulants
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Amphetamines Amphetamines are stimulants used in prescription medicines to reduce fatigue and drowsiness and to suppress the appetite. However, some people use amphetamines illegally to stay awake and alert, to improve athletic performance, and to lose weight. The easily developed tolerance to amphetamines causes a user to ingest more of the substance. Regular use of amphetamines can result in twitching, irregular heartbeat, paranoia, and heart and blood vessel damage. Health Risks of Stimulants
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Methamphetamine Methamphetamine, or meth, is a stimulant used in treating certain diseases, including Parkinson’s disease and obesity. It is a white, odorless powder that easily dissolves in alcohol or water. Because it is produced in makeshift labs, the drug is readily available, but its quality is uncertain. In recent years, this drug has been identified as one of the many dangerous and illegal substances called club drugs. Health Risks of Stimulants
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Harmful Effects of Methamphetamine Health Risks of Stimulants Meth may provide a short-term feeling of euphoria. Often the use of this drug results in depression, paranoia, damage to the central nervous system, increased heart rate and blood pressure, and damage to brain cells. It can also cause death.
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Harmful Effects of Depressants Depressant drugs relax muscles, relieve feelings of tension and worry, and cause drowsiness. They can be dangerous because they slow the heart rate, lower blood pressure to dangerous levels, and interrupt the normal rate of breathing. One of the most commonly used depressants is alcohol. Combining depressants, even in small amounts, produces a synergistic effect. Health Risks of Depressants
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Types of Depressants Two types of sedative medications are barbiturates and tranquilizers. Other widely used depressants include Rohypnol and GHB. Health Risks of Depressants
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Barbiturates Barbiturates belong to a family of sedative-hypnotic drugs, or drugs that induce sleepiness. Barbiturate use can result in mood changes, sleeping more than normal, and coma. Barbiturates are rarely used for medical purposes. They are used illegally to produce a feeling of intoxication and to counteract the effects of stimulants. Combining barbiturates with alcohol can be fatal. Health Risks of Depressants
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Tranquilizers Tranquilizers are depressants that reduce muscular activity, coordination, and attention span. Tranquilizers are prescribed to relieve anxiety, muscle spasms, sleeplessness, and nervousness. However, when tranquilizers are overused, physiological and psychological dependence occurs. Withdrawal from tranquilizers causes severe shaking. In extreme cases, coma or death can result. Health Risks of Depressants
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Rohypnol Rohypnol is a widely available club drug. This depressant, which is ten times as strong as tranquilizers, is better known as the date-rape drug, used in crimes of dating violence. Rohypnol comes in tablet form and looks like ordinary aspirin. Health Risks of Depressants
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GHB Health Risks of Depressants Another club drug is gammahydroxy butyric acid (GHB). Like Rohypnol, it has been used in date-rape crimes. GHB is available as a clear liquid, a white powder, and in a variety of tablets and capsules. A person can easily overdose on GHB. The drug leaves the blood relatively quickly, making it hard for emergency room personnel to determine that an overdose has occurred.
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Harmful Effects of Narcotics Morphine, OxyContin, and codeine are examples of narcotics. Morphine is sometimes prescribed by medical professionals, and codeine is an ingredient in some cough medications. Narcotic use can cause euphoria, drowsiness, constipation, pinpoint pupils, slow and shallow breathing, convulsions, coma, and death. Abuse of narcotics can cause addiction. Because narcotics are so addictive, pharmacists are required to keep records of all sales of these drugs. Narcotics
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Heroin Narcotics Heroin, a highly addictive narcotic, is a processed form of morphine that is injected, snorted, or smoked. Infectious diseases such as pneumonia, HIV, and hepatitis B can result from the use of infected needles. Large doses may result in coma or death. Heroin depresses the central nervous system and slows breathing and pulse rate. Heroin abuse can cause infection of the heart lining and valves, as well as liver disease.
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Harmful Effects of Hallucinogens Hallucinogens have no medical use. Examples of powerful and dangerous hallucinogens are phencyclidine (PCP), lysergic acid diethylamide (LSD), ketamine, and ecstasy. Hallucinogens overload the sensory controls in the brain. The brain then confuses and intensifies sensations and hallucinates. Hallucinogens also impair judgment and reasoning and increase heart and respiratory rates. Hallucinogens
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PCP PCP is considered one of the most dangerous of all drugs, and its effects vary greatly from user to user. Users report distorted sense of time and space, increased muscle strength, and inability to feel pain. Overdoses of PCP can cause death, but most PCP-related deaths are caused by the destructive behavior that the drug produces. Flashbacks can occur at any time, causing panic, confusion, and lack of control. Hallucinogens
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LSD Even a tiny amount of LSD can cause hallucinations and severe distorted perceptions of sound and color. Higher doses increase the risk of convulsions, coma, heart and lung failure, and death. Because LSD affects the brain’s emotional center and distorts reality, users may experience emotions ranging from extreme euphoria to panic to deep depression. Flashbacks can involve a frightening range of emotions long after actual use of the drug. Hallucinogens
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Ketamine Hallucinogens Ketamine is an anesthetic used for medical purposes, mostly in treating animals. Misused as a club drug, ketamine is often sold as a white powder to be snorted, like cocaine, or injected. The drug is also smoked with marijuana or tobacco. Ketamine causes hallucinations and dreamlike states. Its use may result in death by respiratory failure.
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Designer Drugs Designer drugs vary greatly in potency and strength and can be several hundred times stronger than the drugs they are meant to imitate. One of the most recognized designer drugs is ecstasy, or MDMA. Use of these drugs can also result in uncontrollable tremors, paralysis, and irreversible brain damage. Ecstasy and Other Dangerous Drugs
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Consequences of Drug Use Ecstasy and Other Dangerous Drugs Illegal drugs and other substances play a role in unsafe situations and negative consequences, including health problems, addiction, and difficulties in school. Furthermore, drug use often leads to poor judgment, which may put teens at risk for unintentional injuries, motor vehicle accidents, violence, STDs, unplanned pregnancies, and suicide. The best way to avoid these consequences is to refuse to use drugs and to avoid places where they are used.
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Stimulants Narcotics Hallucinogens Depressants Choose the appropriate option. Quick Review Q. _________ are pain-relieving drugs derived from the opium plant and legally obtainable only by prescription.
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A. 2. Narcotics Narcotics are pain-relieving drugs derived from the opium plant and legally obtainable only by prescription. Click Next to attempt another question. Quick Review - Answer
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Quick Review Choose the appropriate option. True False Q. Stimulants speed up the central nervous system. Hallucinogens overload the sensory controls in the brain, thereby confusing the brain and intensifying sensations.
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A. True. Stimulants speed up the central nervous system. Hallucinogens overload the sensory controls in the brain, thereby confusing the brain and intensifying sensations. Click Next to attempt another question. Quick Review - Answer
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Quick Review Q. Abuse of narcotics rarely results in serious health problems. Choose the appropriate option. True False
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A. False. Abuse of narcotics has been shown to cause euphoria, drowsiness, constipation, pinpoint pupils, slow and shallow breathing, convulsions, coma, and even death. Click Next to attempt another question. Quick Review - Answer
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Quick Review Q. It is important to develop alternatives to substance abuse and its harmful effects on the body because it has a devastating effect on individuals and society. Choose the appropriate option. True False
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A. True. It is important to develop alternatives to substance abuse and its harmful effects on the body because it has a devastating effect on individuals and society. Click Next to attempt another question. Quick Review - Answer
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End of Lesson 4 Click Home to view the Main menu.
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A. Correct! Narcotics are pain-relieving drugs derived from the opium plant and legally obtainable only by prescription. Click Next to attempt another question. Quick Review - Answer
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You have answered the question incorrectly. Go back to try again, or click Next to view the correct answer. Quick Review - Answer
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A. Correct! Stimulants speed up the central nervous system. Hallucinogens overload the sensory controls in the brain, thereby confusing the brain and intensifying sensations. Click Next to attempt another question. Quick Review - Answer
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You have answered the question incorrectly. Go back to try again, or click Next to view the correct answer. Quick Review - Answer
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A. Correct! Abuse of narcotics has been shown to cause euphoria, drowsiness, constipation, pinpoint pupils, slow and shallow breathing, convulsions, coma, and even death. Click Next to attempt another question. Quick Review - Answer
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You have answered the question incorrectly. Go back to try again, or click Next to view the correct answer. Quick Review - Answer
Slide 42-

A. Correct! It is important to develop alternatives to substance abuse and its harmful effects on the body because it has a devastating effect on individuals and society. Click Next to attempt another question. Quick Review - Answer
Slide 43-

You have answered the question incorrectly. Go back to try again, or click Next to view the correct answer. Quick Review - Answer
Slide 44-

Understanding Psychoactive Drugs The central nervous system (CNS), which includes the brain and the spinal cord, is an amazingly complex part of the body. Every form of activity, from bending a finger to solving abstract problems, involves the central nervous system. Psychoactive drugs change the functioning of the CNS. A psychoactive drug is a chemical that affects the central nervous system and alters activity in the brain. Classification of Psychoactive Drugs
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Groups of Psychoactive Drugs There are four main groups of psychoactive drugs: stimulants, depressants, narcotics, and hallucinogens. Some of these drugs have medicinal value when properly used. However, even under a doctor’s supervision, they carry risks. When psychoactive drugs are misused or abused, a person’s health and the proper function of all body systems are seriously affected. A stimulant is a drug that speeds up the central nervous system, the heart, and other organs. Classification of Psychoactive Drugs
Slide 46-

Groups of Psychoactive Drugs There are four main groups of psychoactive drugs: stimulants, depressants, narcotics, and hallucinogens. Some of these drugs have medicinal value when properly used. However, even under a doctor’s supervision, they carry risks. When psychoactive drugs are misused or abused, a person’s health and the proper function of all body systems are seriously affected. A depressant is a drug that tends to slow the central nervous system. Classification of Psychoactive Drugs
Slide 47-

Groups of Psychoactive Drugs There are four main groups of psychoactive drugs: stimulants, depressants, narcotics, and hallucinogens. Some of these drugs have medicinal value when properly used. However, even under a doctor’s supervision, they carry risks. When psychoactive drugs are misused or abused, a person’s health and the proper function of all body systems are seriously affected. A narcotic is a specific drug derived from the opium plant that is obtainable only by prescription and is used to relieve pain. Classification of Psychoactive Drugs
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Groups of Psychoactive Drugs There are four main groups of psychoactive drugs: stimulants, depressants, narcotics, and hallucinogens. Some of these drugs have medicinal value when properly used. However, even under a doctor’s supervision, they carry risks. When psychoactive drugs are misused or abused, a person’s health and the proper function of all body systems are seriously affected. A hallucinogen is a drug that alters mood, thought, and sense perception, including vision, hearing, smell, and touch. Classification of Psychoactive Drugs
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Cocaine Cocaine is a rapid-acting, powerful, highly addictive stimulant that interrupts normal functioning of the central nervous system. The purchase and possession of cocaine is illegal everywhere in the United States. Cocaine is a white powder extracted from the leaves of the coca plant. Cocaine users can experience a surge of self-confidence and euphoria. Euphoria is a feeling of intense well-being or elation. Health Risks of Stimulants
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Designer Drugs Designer drugs vary greatly in potency and strength and can be several hundred times stronger than the drugs they are meant to imitate. One of the most recognized designer drugs is ecstasy, or MDMA. Use of these drugs can also result in uncontrollable tremors, paralysis, and irreversible brain damage. A designer drug is a synthetic substance meant to imitate the effects of hallucinogens and other dangerous drugs. Ecstasy and Other Dangerous Drugs