About This Chapter
Understanding Diseases - Chapter Summary
This comprehensive microbiology chapter is designed to improve your understanding of diseases. As you work through these simple and engaging lessons, you'll study topics like disease prevention and treatment, disease types, amensalism and disease spreading. The chapter can be accessed at any time that fits your schedule, and you can use any computer or mobile device to study. Each lesson comes with a short quiz, and we've included a chapter exam to help you retain the information. Upon completion of the chapter, you should be able to:
- Evaluate basic disease control and prevention concepts
- Differentiate between infections and diseases
- Analyze examples of clinical, subclinical, communicable and noncommunicable diseases
- Tell how normal human flora can prevent disease
- Describe symbiotic disease interactions
- Define the concept of amensalism
- Outline the process of disease from infection to recovery
- Recognize several infectious disease transmission routes
- Compare endemic, epidemic and pandemic disease spreading
- Identify different types of diseases
- Understand the causes of nosocomial infections
- Explain disease establishment in terms of entry, dose and virulence
1. 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.
2. 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.
3. Clinical & Subclinical Diseases: Definition & Examples
This lesson begins with an explanation of clinical and subclinical disease by using an example of hypothyroidism in two sisters. It then explains two further examples of clinical and subclinical disease.
4. Communicable & Noncommunicable Diseases: Definition & Examples
A disease is a condition in the body that disrupts normal functions. Why are some diseases contagious while others aren't? This lesson discusses the difference between communicable and noncommunicable diseases.
5. Preventing Disease: Normal Human Flora
This lesson will give you a basic understanding of what human flora is. You'll learn about the different locations of flora, such as the gut, and what mutualistic, commensal, and opportunistic microbes are.
6. Symbiotic Interactions in Disease: Definition, Theory & Examples
This lesson will describe something known as symbiosis and symbionts. We will explore the three main types and examples of symbiotic relationships as we define mutualism, parasitism, and commensalism.
7. Amensalism: Examples & Definition
Many types of relationships exist between species on Earth, but not all are positive. In this lesson, we will learn about amensalism to gain an understanding of how this unique type of relationship works.
8. Progress of Disease: Infection to Recovery
This lesson will teach you about the five basic steps of the development of disease, what they are called, and what occurs during each phase. We'll talk about the incubation and prodromal period as well as the periods of convalescence, decline, and illness.
9. 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.
10. 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.
11. 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.
12. Nosocomial Infections: Definition, Causes & Prevention
In this lesson, you will learn about what a nosocomial infection is. We'll discuss, in particular, the many reasons you may get such an infection, which types of pathogens are most likely to cause one, and the most common places in your body you may acquire one.
13. Establishment of Disease: Entry, Dose & Virulence
This lesson will delve into what predisposes an individual to get sick. We'll talk about things like the entry, dose, and virulence of a pathogen and how they play a role in the establishment of a disease.
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Other chapters within the UExcel Microbiology: Study Guide & Test Prep course
- Early History of Microbiology
- Fundamentals of Microbiology
- Microbiology Laboratory Procedures
- Understanding Genetics & DNA
- Understanding Metabolism
- Bacterial Biology
- Protozoan Diseases
- Understanding Viruses
- Overview of DNA Viruses
- Overview of RNA Viruses
- Overview of Fungal Infections
- Illnesses & Infections of the GI Tract
- Overview of Bacterial STDs
- Understanding Blood-Borne Bacterial Diseases
- Respiratory Bacterial Infections
- Bacterial Skin and Wound Infections
- Immunology Basics
- Structure & Function of the Immune System
- Overview of Antigens
- Disorders of the Immune System
- Serological & Diagnostic Reactions
- Antimicrobial Drugs Overview
- Sterilization & Antiseptic Methods
- Chemical Methods of Microbial Control
- Effectiveness of Antiseptics & Disinfectants
- Microbiology & the Environment
- Food & Industrial Microbiology Overview
- UExcel Microbiology Flashcards