Biology: Types of Diseases - Videos & Lessons

About This Chapter

Examine the factors that cause diseases, how they are transmitted, and their treatments in the Biology: Types of Diseases chapter of this study guide. Use the lesson quizzes to check retention, then take the chapter test to measure overall mastery.

Biology: Types of Diseases - Chapter Summary

Take a look at how diseases such as malaria, entamoeba histolytica and amoebic dysentery are spread, their symptoms, and the measures taken to treat them by working through the lessons in this chapter. Review how doctors diagnose these diseases, the agents that cause them and how these agents gain access to the body. You will read about the following:

Definition and explanation of toxoplasmosis
Causes, prevention, transmission and symptoms of malaria and giardia
Types, treatment and symptoms of dysentery
Explanation and causes of sleeping sickness
Treatment, symptoms and causal factors for trichomoniasis and cryptosporidiosis

Each of these quick little video lessons is accompanied by a brief quiz that enables you to see how well you understand what you've read. Links embedded in the quizzes connect back to the videos, enabling you to refer back and forth quickly to check an answer, or refresh your memory concerning the material. A written transcript version is available if you prefer reading to viewing, and key vocabulary is highlighted in bold text, making referral fast and easy.

8 Lessons in Chapter 17: Biology: Types of Diseases

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1. Toxoplasmosis: Definition, Causes & Symptoms

Would you believe that 30-60% of people on the planet have been infected by a parasite and most never even know it? In this lesson, we will examine the disease toxoplasmosis and its causative agent, Toxoplasma gondii.

2. What is Giardia? - Causes, Transmission & Symptoms

The anaerobic parasite Giardia lamblia is one of the most common intestinal protozoans in the United States. In this lesson, we examine the major characteristics of Giardia and discuss treatment and prevention options.

3. What is Malaria? - Causes, Transmission & Symptoms

Malaria is a devastating disease that impacts millions of people worldwide every year. In this lesson, we will explore the organism that causes malaria and the disease itself.

4. Malaria: Prevention and Treatment

In this lesson examining malaria, we will look at the impact of the disease in the U.S. and the major methods of preventing the disease. We will also discuss how to correctly treat patients stricken by malaria.

5. Entamoeba Histolytica & Amoebic Dysentery: Causes, Symptoms & Treatment

Every science class starting in middle school, examines the Amoeba. In this lesson, we will dig into the world of one potentially deadly amoeba, Entamoeba histolytica, and the diseases it can cause. You probably didn't learn about this in Intro Bio!

6. What is Sleeping Sickness? - Causes, Transmission & Symptoms

African sleeping sickness is a devastating disease in equatorial Africa, which is spread through the bite of the tsetse fly. In this lesson, we will look at the causative agent, Trypanosoma, and the major characteristics of the disease.

7. Cryptosporidiosis: Causes & Symptoms

Cryptosporidium is a protozoan parasite that can cause serious gastrointestinal distress. In this lesson, we will investigate the general characteristics of Crypto and what symptoms to expect if you are ever infected.

8. Trichomoniasis: Causes, Symptoms & Treatment

Protozoa don't often cause sexually transmitted diseases. One exception is Trichomonas vaginalis. In this lesson we will investigate the major characteristics of this unique parasite.

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