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Chapter 13 Communicable Diseases

Chapter 13 Communicable Diseases. Lesson 3 Common Communicable Diseases. Click for:. >> Main Menu. >> Chapter 13 Assessment. Teacher’s notes are available in the notes section of this presentation. Next >>.

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Chapter 13 Communicable Diseases

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  1. Chapter 13 CommunicableDiseases Lesson 3 Common CommunicableDiseases Click for: >> Main Menu >> Chapter 13 Assessment Teacher’s notes are available in the notes section of this presentation. Next >>

  2. A communicable disease characterized by fever, chills, fatigue, headache, muscle aches, and respiratory symptoms • influenza The length of time that a particular disease can be spread from person to person • contagiousperiod A viral disease characterized by a sever sore throat and swelling of the lymph glands in the neck and around the throat area • mononucleosis

  3. A viral disease characterized by an inflammation of the liver and yellowing of the skin and the whites of the eyes • hepatitis A bacterial disease that usually affects the lungs • tuberculosis A serious inflammation of the lungs • pneumonia A sore throat caused by streptococcal bacteria • strep throat

  4. In this lesson, you will learn to • distinguishthe differences between a cold and the flu. • identifysome common communicable diseases.

  5. Predicting Look at the headings in this lesson, and predict what will be covered in the lesson. List your predictions on a sheet of paper. After the lesson, look back at your list to see if your predictions were correct. Headings in this Lesson • Colds • The Flu • Chicken Pox, Measles, and Mumps • Other Communicable Diseases

  6. Colds Colds are spread by both direct and indirect contact. Your doctor cannot give you a vaccine for the common cold because there are hundreds of viruses.

  7. The Flu Influenza symptoms usually affect you more quickly and more seriously than cold symptoms do. influenza A communicable disease characterized by fever, chills, fatigue, headache, muscle aches, and respiratory symptoms The flu can be spread through both direct and indirect contact.

  8. The Flu Scientists are able to make vaccines for the flu by figuring out which strains will spread fastest during the next flu season. Scientists worry that new strains of the flu virus, such as the avian flu, could be deadly to large numbers of people.

  9. Chicken Pox, Measles, and Mumps Every contagious disease has a contagious period. contagious period The length of time that a particular disease can be spread from person to person Often, the contagious period includes a length of time before the infected person begins to show symptoms.

  10. Chicken Pox, Measles, and Mumps Chicken Pox • Contagious about a week before symptoms appear • Symptoms include a rash, fever, aching muscles • Rash (small bumps) may appear inside mouth and throat • Bumps develop into blisters • Disease is no longer contagious when the blisters dry up

  11. Chicken Pox, Measles, and Mumps Measles • Contagious a few days before symptoms appear • Symptoms include a rash, fever, and head and body aches • Worldwide, over 1 million children die each year from measles • About 90 percent of the children in the United States are vaccinated against measles

  12. Chicken Pox, Measles, and Mumps Mumps • Contagious about a week before symptoms appear • Symptoms include a fever, headache, and swollen salivaryglands • Over 90 percent of children in the United States arevaccinated against mumps

  13. Other Communicable Diseases Mononucleosis is often called “the kissing disease.” mononucleosis A viral disease characterized by a severe sore throat and swelling of the lymph glands in the neck and around the throat area Mono is spread when a person comes in contact with the saliva of an infected person.

  14. Other Communicable Diseases There are three common strains of hepatitis. hepatitis A viral disease characterized by an inflammation of the liver and yellowing of the skin and the whites of the eyes Other symptoms include weakness, fatigue, loss of appetite, fever, headaches, and sore throat.

  15. Other Communicable Diseases Hepatitis A Hepatitis B and C • Common in areas with poor sanitation • Spreads when infected human wastes contaminate food or water or through open wounds • There are vaccines available • Permanently damages the liver • Can lead to cirrhosis and liver cancer • Spread through contact with contaminated blood or other body fluids, sharing needles, or sexual contact • There are vaccines for hepatitis A and B. • There are medications that can help treat hepatitis C.

  16. Other Communicable Diseases Tuberculosis (TB) is spread through the air. tuberculosis A bacterial disease that usually affects the lungs Symptoms of TB include cough, fatigue, night sweats, fever, and weight loss.

  17. Other Communicable Diseases Pneumonia can be spread through direct or indirect contact with an infected person. pneumonia A serious inflammation of the lungs Symptoms of pneumonia include fever, cough, chills,and difficulty breathing.

  18. Strep Throat Strep throat can be spread through direct or indirect contact with an infected person. strep throat A sore throat caused by streptococcal bacteria Symptoms of strep throat include a red and painful throat, fever, swollen lymph nodes in the neck, headache, nausea, and vomiting.

  19. Strep Throat Serious problems can develop if strep throat is left untreated. If you have a sore throat or a fever, tell a parent or guardian.

  20. Lesson 3 Review What I Learned VocabularyDefine contagious period.

  21. Lesson 3 Review What I Learned Give ExamplesName three childhood diseases thatused to be common but are now under control inthe United States.

  22. Lesson 3 Review What I Learned ListWhat are the symptoms of influenza?

  23. Lesson 3 Review What I Learned ListWhat are the symptoms of tuberculosis?

  24. Lesson 3 Review What I Learned AnalyzeWhy is it important to get treatment forcommunicable diseases like strep throat?

  25. Lesson 3 Review Thinking Critically AnalyzeA study by the Aviation Health Institute showsthat people who ride in a plane are seven times morelikely to catch a cold than people who do not ride in anairplane during the same period. Suggest a reason forthe difference. How might someone lower this risk?

  26. Lesson 3 Review Thinking Critically EvaluateYou see an ad on the Internet for a productthat claims to cure the common cold. How can youanalyze whether the ad is valid?

  27. End of Chapter 13 CommunicableDiseases Lesson 3 Common CommunicableDiseases Click for: >> Main Menu >> Chapter 13 Assessment

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