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Ch 9: Diseases & the Immune System

About This Chapter

Brush up on how diseases are spread and the mechanisms the body uses to protect itself through a review of the lessons in our Diseases & the Immune System chapter. Find out what measures are in place for the prevention and control of disease as well.

Diseases & the Immune System - Chapter Summary

Study facts about the body's defense mechanisms, the causes, spread and prevention of various types of diseases and the role of viruses in this chapter on diseases and the human immune system. See how medical science is working to prevent the spread of disease through the population.

You will enhance your understanding of how the human immune system works, how diseases are transmitted and examine the types of immune-deficiency diseases that afflict people today. The lessons discuss the topics in the list below and more:

  • The human immune system and adaptive immunity
  • Overview and structure of viruses
  • Disease control measures
  • How diseases are spread
  • Types and explanation of immune deficiency diseases
  • STD's: general information and how to reduce risk

The combination of our video lessons and the accompanying transcripts, lesson quizzes, chapter tests and access to instructors and subject-matter specialists provides you with a powerful study tool specifically designed to enable you to work efficiently. You have full control over which part of each lesson you want to watch, the pace at which you choose to work and when you wish to schedule your study sessions. Our program is fully available online, which places the lessons at your fingertips 24/7. It is accessible via smartphone, laptop, notebook or tablet computer, so you can work from any device in any location that allows Internet access.

8 Lessons in Chapter 9: Diseases & the Immune System
Test your knowledge with a 30-question chapter practice test
What Is the Immune System? - Our Body's Defense Against Pathogens

1. What Is the Immune System? - Our Body's Defense Against Pathogens

In this lesson, you will be introduced to the immune system. You'll learn about the innate and adaptive immune system, Edward Jenner, haptens and immune tolerance.

What Is Adaptive Immunity? - Definition and Types

2. What Is Adaptive Immunity? - Definition and Types

This lesson will help you distinguish between several different types of immunity. This includes passive immunity, active immunity, naturally acquired immunity and artificially acquired immunity.

What Are Viruses? - Definition, Structure & Function

3. What Are Viruses? - Definition, Structure & Function

In this lesson, you'll learn some historical facts about viruses and the material they are composed of. Find out more as we review the capsid, nucleic acids, the viral envelope, viruses, virions, bacteriophages and virology.

Disease Control & Prevention

4. Disease Control & Prevention

This lesson will discuss the many different ways by which people can control disease. Everything from vaccination to sterilization and beyond will be mentioned so that you can better appreciate the large arsenal of tools at our disposal.

The Spread of Disease: Endemic, Epidemic & Pandemic

5. The Spread of Disease: Endemic, Epidemic & Pandemic

This lesson will talk about what an endemic disease is and how it is different from an epidemic. We'll also discuss how an epidemic differs from something known as a pandemic. Finally, we'll look at some examples of each to help solidify these points.

Immune Deficiency Diseases: Definitions & Types

6. Immune Deficiency Diseases: Definitions & Types

This lesson will teach you about the immune system, what immune deficiency means, why that's dangerous, and about the important causes of such a problem, including HIV/AIDS, SCID, CVID, and more.

Sexually Transmitted Infections: Types, Transmission, Symptoms & Treatments

7. Sexually Transmitted Infections: Types, Transmission, Symptoms & Treatments

This lesson will teach you about three major bacterial and three important viral sexually transmitted diseases, what problems they cause, and how they are treated.

Reducing Your Risk for Sexually Transmitted Infections

8. Reducing Your Risk for Sexually Transmitted Infections

This lesson will describe for you the many ways by which you can help prevent a terrible STD from affecting your body, including abstinence, mutual monogamy, and more!

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
Not Taken
Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
Not Taken

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