Ch 7: Introduction to Disease & Illness

About This Chapter

This chapter covers numerous topics pertaining to disease and illness. Review video lessons on disease control, different disease types and disease causes.

Introduction to Disease & Illness - Chapter Summary

This chapter provides an overview of disease and illness in its many facets. It looks at the significance of the immune system and discusses different types of immune deficiency diseases. The relationship between socioeconomic status and proneness to developing chronic disease is also covered. You'll further see a comparison of chronic illness and physical disability highlighted in the chapter.

Additional content in this chapter discusses the meaning and different types of environmental health. There is material in this chapter that identifies how to assess environmental health threats and describes various toxic agents including allergens, carcinogens, mutagens and endocrine receptors. Some learning objectives include being able to:

  • Explain the difference between infection and disease
  • Distinguish the common cold from the flu
  • Describe SCID
  • Discuss horizontal disease transmission
  • Explain local disease
  • Describe coronary heart disease
  • Discuss methods of disease control, including vector control
  • Identify and describe four different toxicant types

Our professional instructors present the lessons in a clear and engaging style for optimal learning and retention.The videos we provide throughout the chapter have tags to enable you to move quickly back and forth between specific segments you wish to study more. The quizzes in the chapter can be used to assess how well you comprehend the material.

10 Lessons in Chapter 7: Introduction to Disease & Illness
Test your knowledge with a 30-question chapter practice test
What Are the Types of Diseases?

1. What Are the Types of Diseases?

This lesson will focus on the different types of diseases that a person may develop or contract. We'll discuss the differences between acute, chronic, primary, secondary, local, and systemic diseases.

Types of Respiratory Conditions & Diseases

2. Types of Respiratory Conditions & Diseases

Breathing is not always easy. Respiratory conditions can make it hard to catch your breath. Learn about all types of respiratory conditions, including the common cold, flu, pneumonia, asthma, cystic fibrosis, emphysema and chronic bronchitis.

Types of Heart Conditions and Diseases

3. Types of Heart Conditions and Diseases

Your heart muscle receives a rich blood supply from the coronary arteries. If the coronary arteries become blocked, it can result in coronary heart disease, angina, heart attack or congestive heart failure. Learn how these conditions get started.

The Differences Between Infection and Disease

4. The Differences Between Infection and Disease

This lesson will go over the differences between an infection and a disease. We'll cover everything from prions and infectivity to opportunistic infections and idiopathic disease. We'll also learn what the etiology of disease is and much more.

The Different Routes of Infectious Disease Transmission

5. The Different Routes of Infectious Disease Transmission

This lesson will discuss the different ways you can get sick. We'll discuss how pathogenic microbes can be transmitted to you or someone else as we explore horizontal and vertical transmission as well as vectors, vehicles, and fomites.

Disease Control & Prevention

6. 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.

How Socioeconomic Issues Affect Health and Chronic Conditions

7. How Socioeconomic Issues Affect Health and Chronic Conditions

This lessons examines some of the fundamental differences of socioeconomic status, as well as how these issues interact with a person's health and their chronic conditions.

Chronic Illness & Physical Disabilities: Effects on Human Development

8. Chronic Illness & Physical Disabilities: Effects on Human Development

What are chronic illnesses and physical disabilities? How do these conditions impact both the individual and society? Learn the answers to these questions in this lesson and test your knowledge with a quiz at the end.

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

9. 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.

Immune Deficiency Diseases: Definitions & Types

10. 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.

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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