Ch 19: MEGA Health: Substance Use, Abuse & Dependence

About This Chapter

This comprehensive overview of substance use, abuse and dependence can enhance your preparations for the MEGA Health assessment. Watch fun video lessons and take short quizzes to improve your ability to succeed on the test.

MEGA Health: Substance Use, Abuse & Dependence - Chapter Summary

All of the lessons in this chapter closely examine topics covered on the MEGA Health assessment related to substance use, abuse and dependence. Make sure you're ready for questions on the day of the test by getting reacquainted with this subject area. In no time, you will be able to:

  • Define substance use, abuse and dependence, and discuss symptoms and treatment of substance dependence
  • Explain how individuals transition from misuse to abuse, and discuss the physical consequences and treatment of drug abuse
  • Describe the history of substance use and abuse and how substance use affects health and chronic conditions
  • Share why people use drugs, and identify risk factors and protective factors for drug-taking behavior
  • List personal and social dangers of drug abuse, and describe relationships between drugs, violence and crime
  • Differentiate between physical and psychological substance dependence, and discuss adolescents and risk factors of substance abuse
  • Provide details about drug use in the United States, the Drug Enforcement Administration (DEA) and substance abuse screening and diagnosis

The easy-to-navigate lessons in this chapter are presented by expert instructors with a wealth of knowledge on substance use, abuse and dependence. Review the lessons in your sequence of choice, and revisit them as many times as you desire. At any time, take short quizzes and a chapter exam to assess your comprehension of the lessons. If you have questions about lesson topics, don't hesitate to submit them to our experts.

15 Lessons in Chapter 19: MEGA Health: Substance Use, Abuse & Dependence
Test your knowledge with a 30-question chapter practice test
Substance Use, Abuse, and Dependence: Definition and Causes of Substance Disorders

1. Substance Use, Abuse, and Dependence: Definition and Causes of Substance Disorders

Substance use, abuse, and dependence are often confused with each other. In this lesson, we'll look at the differences between the three and common causes of addiction.

Substance Dependence: Definition, Treatment & Symptoms

2. Substance Dependence: Definition, Treatment & Symptoms

In this lesson, you will learn what substance dependence is, what it looks like, and how it is commonly treated. You will also learn the DSM-IV criteria that define substance dependence.

From Misuse to Abuse: Distinction & Effects

3. From Misuse to Abuse: Distinction & Effects

This lesson will differentiate drug misuse and abuse. You will also learn how the central nervous system is affected by drugs and what other effects drugs have upon the body.

Drug Abuse: Physical Consequences and Treatment

4. Drug Abuse: Physical Consequences and Treatment

The kidneys, heart, lungs, and skin are all affected by drug use, sometimes severely so. You'll learn how and also the many different ways by which a person can be treated for substance abuse in this lesson.

How Substance Use Affects Health and Chronic Conditions

5. How Substance Use Affects Health and Chronic Conditions

While not every substance and every chronic condition can be covered in a single lesson, we attempt to look at the most common types (alcohol and smoking), as well as some generalizations about illegal substances.

The History of Substance Use & Abuse

6. The History of Substance Use & Abuse

Have you ever wondered if drugs were used in the ancient world? If so, why? What is the modern history of drug use and abuse? In this lesson, you'll get a crash course in the history of drugs.

Why Do People Use Drugs?

7. Why Do People Use Drugs?

In this lesson, we'll explore some of the reasons people use drugs. We'll look at four different examples of drug use, including prescription drugs, stimulants, alcohol, and marijuana.

Risk Factors & Protective Factors for Drug-Taking Behavior

8. Risk Factors & Protective Factors for Drug-Taking Behavior

In this lesson, you'll learn that there are two sides to the coin of drug-taking behavior. On one side, there are risk factors that may cause someone to take drugs, and on the other side, there are protective factors that help a person avoid taking drugs.

Personal & Social Dangers of Drug Abuse

9. Personal & Social Dangers of Drug Abuse

In this lesson, you're going to learn about the many unfortunate personal and social dangers that drug abuse poses, including those that can harm society at large.

Physical vs Psychological Substance Dependence

10. Physical vs Psychological Substance Dependence

Substance abuse can include physical dependence, psychological dependence, or both. This lesson explains the difference between physical substance dependence and psychological substance dependence.

Relationships Between Drugs, Violence & Crime

11. Relationships Between Drugs, Violence & Crime

Many inmates in both state and federal prisons say they committed their crimes while under the influence of drugs. Around one-quarter of those inmates committed violent crimes. This lesson explores the relationship between drugs, violence and crime.

Adolescents & the Risk of Substance Abuse

12. Adolescents & the Risk of Substance Abuse

In this lesson, you'll learn about many of the key factors that predispose adolescents to substance abuse, including things that may be going on at home or in school.

Drug Use in the United States

13. Drug Use in the United States

In this lesson, we'll learn about the prevalence of drug use in the United States including the demographics of different substance abusers and recent trends in use. We'll look at four examples; marijuana, cocaine, opiates, and methamphetamines.

Drug Enforcement Administration (DEA): History, Role & Purpose

14. Drug Enforcement Administration (DEA): History, Role & Purpose

The Drug Enforcement Administration, or DEA, is the leading law enforcement agency responsible for preventing the distribution of illegal narcotics in the United States. This lesson explains the roles and history of the DEA.

Substance Abuse Screening & Diagnosis

15. Substance Abuse Screening & Diagnosis

Substance abuse screening and diagnosis are used to determine first whether a person has a substance abuse issue and then to determine what that problem is and how it can be treated. This lesson looks at how screening and diagnosis take place.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
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Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
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