About This Chapter
Who's it for?
Anyone who needs help learning or mastering microbiology material will benefit from taking this course. You will be able to grasp the subject matter faster, retain critical knowledge longer and earn better grades. You're in the right place if you:
- Have fallen behind in understanding how diseases are transmitted, how they spread and how they can be prevented.
- Need an efficient way to learn about the disease process.
- Learn best with engaging auditory and visual tools.
- Struggle with learning disabilities or learning differences, including autism and ADHD.
- Experience difficulty understanding your teachers.
- Missed class time and need to catch up.
- Can't access extra science learning resources at school.
How it works:
- Start at the beginning, or identify the topics that you need help with.
- Watch and learn from fun videos, reviewing as needed.
- Refer to the video transcripts to reinforce your learning.
- Test your understanding of each lesson with short quizzes.
- Submit questions to one of our instructors for personalized support if you need extra help.
- Verify you're ready by completing the Disease Process chapter exam.
Why it works:
- Study Efficiently: Skip what you know, review what you don't.
- Retain What You Learn: Engaging animations and real-life examples make topics easy to grasp.
- Be Ready on Test Day: Use the Disease Process chapter exam to be prepared.
- Get Extra Support: Ask our subject-matter experts any relevant question. They're here to help!
- Study With Flexibility: Watch videos on any web-ready device.
Students will review:
In this chapter, you'll learn the answers to questions including:
- How do diseases and infections differ?
- What are the different types of diseases?
- What symbiotic reactions occur in diseases?
- How do diseases progress from onset to recovery?
- How do endemics, epidemics and pandemics differ?
- What are nosocomial infections?
- What are some methods for controlling and preventing diseases?
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. 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.
4. 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.
5. 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.
6. 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.
7. 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.
8. 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.
9. 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.
10. 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.
11. Insertion Mutation: Diseases & Examples
Insertion mutations occur when extra genetic material is added to a DNA sequence. Learn about insertion mutations and some of the diseases they can cause in this lesson.
12. Clostridium Ramosum: Symptoms & Treatment
Did you know that some microbes can cause disease, while others normally do not unless you are very young or have a poor immune system? In this lesson, you will learn about Clostridium ramosum, a bacterium that typically does not cause disease, but may cause an infection.
13. Symbiont: Definition & Explanation
In this lesson, you'll learn about different symbionts and symbiotic relationships, including parasitism, mutualism, commensalism, amensalism, synnecrosis, and neutralism.
14. What is a Vaccine? - Definition, Function & Examples
Without vaccines, many deadly diseases would have devastated a large portion of the human population. In this lesson, we will learn about how vaccines work and why they have great importance in our world.
15. Cyst: Definition, Types & Treatment
A cyst is a closed sac of tissue filled with gas, fluid or other material. This lesson will explain the characteristics of a cyst and highlight some of the many different types of cysts as well as various treatments for them.
16. Ectropion: Definition, Symptoms & Treatment
Ectropion is a condition that affects your eyelids - part of the eyelid flips outward, exposing the inner eyelid and the eye itself. Read this lesson to learn why this happens, what the symptoms are, and how to treat it.
17. Etiology of Disease: Definition & Example
In this lesson, you're going to learn what etiology means and how etiology is broken down into three main categories. You'll also go over a concrete example to demonstrate the etiology of a disease.
18. Exudate: Definition & Types
The skin has the power to heal itself, but this healing process usually produces a fluid known as exudate. In this lesson, you'll learn about the various types of exudate and what each reveals about the health of a wound.
19. Pathogenesis: Definition & Example
In this lesson, we'll learn about pathogenesis. We'll examine the steps that are involved and follow an example of going through the pathogenesis process.
20. Pediculosis: Definition, Symptoms & Treatment
After completing this lesson, you will be able to define pediculosis and describe the symptoms and treatment for this condition. A short quiz follows this lesson.
21. Radical Neck Dissection: Definition, Complications & Side Effects
A radical neck dissection is just like it sounds: a radical procedure where the neck is dissected to remove cancerous growths. Read this lesson to learn more about the procedure and its potential complications or side effects.
22. What Is a Goiter? - Causes, Symptoms & Treatment
What do former president George H. Bush, Rod Stewart, Muhammed Ali, Carl Lewis, and Joe Piscopo have in common? They were all diagnosed with goiter. In this lesson, we'll go over what goiters are, as well as their causes, symptoms and available treatments.
23. What Is a Morbidity Rate? - Definition, Formula & Calculation
The term 'morbidity rate' might bring up images that are, well, morbid. And the term indeed deals with dark topics -- it's the rate at which an event, usually an illness, occurs in a population. Learn more in this lesson about its calculation and its usefulness for predicting certain illnesses.
24. What Is a PET Scan? - Definition, Uses & Side Effects
Have you ever wondered how doctors are able to diagnose diseases of the internal organs? How are they able to see what the organs look like? A PET scan is a diagnostic procedure that allows doctors to see if your organs are functioning like they should be. This lesson discusses what a PET scan is, why it is used and potential side effects of having this procedure done.
25. What Is Cachexia? - Definition, Symptoms & Treatment
Another name for cachexia is wasting syndrome. You have to admit, anything called 'wasting syndrome' is bound to be at least a little peculiar. Learn what this condition is, what its symptoms are, and how it can be treated.
26. What Is Cellulitis? - Definition, Causes, Symptoms & Treatment
Cellulitis is a bacterial skin infection that can be serious. Complete this lesson to learn how it develops, what causes it, what the symptoms are, and how to treat it. Then, test your understanding with a brief quiz.
27. What Is Chemotherapy? - Definition, Types & Side Effects
Do you or someone you know have cancer? If so, you may already be familiar with chemotherapy and its possible side effects. Continue reading to learn more about the different types of chemotherapy.
28. What Is Computed Tomography (CT Scan)? - Definition, History & Uses
This lesson will provide you with informative information regarding Computed Tomography (CT). This definition and history are discussed as well as the many uses of a CT machine.
29. What Is Debridement of a Wound? - Definition, Types & Uses
'Out with the old, and in with the new!' - this is exactly what happens in a common technique used to assist in wound healing known as debridement. Discover more about the fascinating types of debridement available to patients in this lesson.
30. What Is Dental Plaque? - Definition, Causes & Removal
Learn what dental plaque is, how it forms, how it affects your teeth and gums, and how to remove it before it causes tooth decay or oral gum disease. Dental plaque is a soft colorless accumulation of bacteria on teeth, and it can cause serious health problems.
31. What Is Glaucoma? - Definition, Causes, Symptoms & Treatment
Glaucoma is an inherited disease that degrades the vision over time. Let's take a look to learn more about what causes it, as well as what the symptoms and treatment options are.
32. What Is Hyperthermia? - Definition, Causes & Symptoms & Treatment
Hyperthermia is when the body temperature rises to levels higher than normal. It usually occurs when someone is overexerting themselves in hot weather. Read this lesson to learn more about the causes, symptoms, and how to treat it.
33. What Is Hypothermia? - Definition, Causes, Symptoms & Treatment
You're probably familiar with the term hypothermia, but do you know the specifics? Read this lesson to learn what causes it, what the real symptoms are, and how hypothermia is treated if caught in time.
34. What Is Hysterosalpingogram? - Procedure, Risks & Side Effects
A hysterosalpingogram (HSG) is a diagnostic procedure performed by a doctor. The doctor uses x-ray imaging to exam a women's uterus, fallopian tubes, and pelvic surroundings.
35. What Is Mastitis? - Causes, Symptoms & Treatment
Mastitis is a very painful condition that mainly affects breastfeeding mothers, usually in the first few months of breastfeeding. Learn more about the causes, symptoms, and treatment of mastitis and test your knowledge with a quiz.
36. What Is Necrosis? - Definition & Types
Not everything gets to go through a full life cycle. This is true even in cells. Complete this lesson to learn about a form of cell death called necrosis. We'll outline the six different types, their possible causes, and the resulting tissue changes.
37. What Is Pyrexia? - Definition, Causes & Symptoms
In this lesson, you will learn about a naturally occurring response from the immune system called pyrexia, which restricts the growth of bacteria and viruses in the body. Afterward, test your knowledge with a quiz.
38. What Is Sleep Apnea? - Definition, Causes, Symptoms & Treatment
Sleep apnea is a condition that causes you to wake up repeatedly over the night. When this persists over a long period of time, it can wreak havoc in the rest of your life. Read more to learn about the causes, symptoms, and treatment options.
39. What Is Tomography? - Definition & History
This lesson will define tomography and explain the various techniques used for the process. It will also give a brief overview of the history of the technology.
40. What Is TURP Surgery? - Definition, Complications & Recovery
A TURP is a surgical procedure performed on the prostate gland. In this lesson, we'll learn about this procedure, the complications associated with it, and the recovery time for the patient.
41. What Is Ultrasonography? - Definition, History & Uses
Ultrasonography is a diagnostic medical procedure that uses sound waves to produce images on a screen, which allows medical providers to view internal structures of the body. In this lesson, you'll learn more about ultrasonography and its uses.
42. Zoonosis: Definition & Diseases
A zoonotic disease is one that can be passed between humans and animals. Read this lesson to learn about the many zoonotic diseases out there that you could be passing along or even risk catching!
43. Basal Cell vs. Squamous Cell Carcinoma
This lesson is going to explain basal cell carcinoma and squamous cell carcinoma. We will describe some of the similarities and differences that exist between the two as well.
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Other chapters within the Microbiology: Help and Review course
- Biology Basics for Microbiology: Help and Review
- Microbiology Basics: Help and Review
- Bacterial Biology: Help and Review
- Microbiology Laboratory Techniques: Help and Review
- Microorganisms and the Environment: Help and Review
- Introduction to Viruses: Help and Review
- DNA Viruses: Help and Review
- RNA Viruses: Help and Review
- Protozoan Diseases: Help and Review
- Fungal Infections: Help and Review
- Gastrointestinal Tract Illnesses & Infections: Help & Review
- Sexually Transmitted Bacterial Diseases: Help and Review
- Bloodborne Bacterial Diseases: Help and Review
- Bacterial Diseases of the Respiratory Tract: Help and Review
- Bacterial Skin and Wound Infections: Help and Review
- Immunology And the Body's Defenses Against Pathogens: Help and Review
- Antimicrobial Drugs: Help and Review
- Food and Industrial Microbiology: Help and Review
- Sterilization and Antiseptic Techniques: Help and Review