Transcript narcotics
Chapter 14 Drugs Lesson 3 Narcotics, Stimulants, and Depressants Click for: >> Main Menu >> Chapter 14 Assessment Teacher’s notes are available in the notes section of this presentation. Next >> narcotics Specific drugs that are obtainable only by prescription and are used to relieve pain opium Liquid from the poppy plant containing substances that numb the body euphoria A feeling of well-being or elation withdrawal Symptoms that occur after chronic use of a drug is symptoms reduced or stopped stimulants Drugs that speed up activity in the human brain and spinal cord amphetamine A drug that stimulates the central nervous system binge When a drug is taken repeatedly and at increasingly high doses CNS depressants Substances that slow down normal brain function In this lesson, you will learn to name the most commonly abused narcotics. describe the effects that narcotics can have on a user’s health. identify specific stimulants and CNS depressants. name the health risks linked to stimulants and CNS depressant abuse. Identifying Cause-and-Effect Make a two-column chart. In the first column, write the names of drugs presented in this lesson. In the second, list the effects of these drugs. What Are Narcotics? Historically, narcotics were made from opium. narcotics Specific drugs that are obtainable only by prescription and are used to relieve pain opium A liquid from the poppy plant containing substances that numb the body Narcotics and Addiction Narcotics produce euphoria because they affect the areas of the brain that perceive pleasure. euphoria A feeling of well-being or elation Narcotics and Addiction Withdrawal symptoms can be unbearable. withdrawal symptoms Symptoms that occur after chronic use of a drug is reduced or stopped Withdrawal Symptoms Pain in muscles Pain in bones Sleeplessness Diarrhea Agitation Vomiting Heroin Characteristics of Heroin Made of morphine, a narcotic Most often inhaled or injected intravenously Users develop a psychological and physical dependence Tolerance leads to a need for ever-increasing doses Quitting is very difficult Quitting results in painful withdrawal symptoms OxyContin Characteristics of OxyContin Available through a doctor’s prescription Controls severe pain in patients with cancer, back pain, or arthritis Abuse leads to tolerance, which leads to physical addiction Withdrawal symptoms are similar to other narcotics What Are Stimulants? Stimulants cause the heart to beat faster and cause blood pressure and metabolism to rise. stimulants Drugs that speed up activity in the human brain and spinal cord Some stimulants are so mild that people may not realize they are ingesting a drug. Amphetamines Amphetamines are highly addictive. amphetamine A drug that stimulates the central nervous system Using large amounts of amphetamines can result in aggressive behavior, extreme weight loss, and loss of physical strength. Cocaine Characteristics of Cocaine Illegal stimulant derived from the coca plant Sold as a fine white powder Often mixed with water and injected into the body intravenously Can also be smoked or snorted up the nose One of the most addictive drugs on the street today Cocaine During a cocaine binge, the possible consequences are very dangerous. binge When a drug is taken repeatedly and at increasingly high doses Crack Crack is created when cocaine is heated and processed with baking soda and water. Crack is extremely addictive and dangerous. Methamphetamine Characteristics of Methamphetamine Highly addictive stimulant drug, affects the central nervous system Becoming an epidemic in the United States Produced in illegal laboratories Effects are similar to cocaine Also known as “meth” Methamphetamine Effects of Methamphetamine Initial feelings of confidence and energy Tendency on the part of users to binge Users may go days without food or sleep Users find it impossible to feel any pleasure without the drug Unpredictable behavior Effects of Stimulants Substance Harmful Effects Amphetamine Uneven heartbeat, rise in blood pressure, physical collapse, stroke, heart attack, and death Methamphetamine Memory loss, damage to heart and nervous system, seizures, and death Cocaine Damage to nose lining and liver; heart attack, seizures, stroke, and death Crack Damage to lungs if smoked, seizures, heart attack, and death What Are Central Nervous System (CNS) Depressants? CNS depressants are sometimes called sedatives or tranquilizers. CNS depressants Substances that slow down normal brain function Physicians can prescribe some CNS depressants for relief of sleeplessness, anxiety, or tension. What Are Central Nervous System (CNS) Depressants? Two Commonly Prescribed CNS Depressants Barbiturates Benzodiazepines Prescribed for the treatment of anxiety or tension, or for people with sleep disorders. Prescribed for patients with more serious anxiety and panic attacks. Effects of Depressants Substance Harmful Effects Tranquilizer Anxiety; reduced coordination and attention span. Withdrawal can cause tremors and lead to coma or death. Barbiturate Causes mood changes and excessive sleep. Can lead to coma. Hypnotic Impaired coordination and judgment. High doses may cause internal bleeding, coma, or death. Lesson 3 Review What I Learned Vocabulary Define narcotics. Lesson 3 Review What I Learned List Name two commonly abused narcotics. Lesson 3 Review What I Learned Give Examples Give three examples of harmful effects that can result from abusing stimulants. Lesson 3 Review Thinking Critically Evaluate Explain the physical and psychological effects that can cause a person to become addicted to heroin. Lesson 3 Review Thinking Critically Analyze What are some of the high-risk behavior that could result from the abuse of narcotics? End of Chapter 14 Drugs Lesson 3 Narcotics, Stimulants, and Depressants Click for: >> Main Menu >> Chapter 14 Assessment