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Presentation on theme: "Common Communicable Diseases (1:52) Click here to launch video Click here to download print activity."— Presentation transcript:

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2 Common Communicable Diseases (1:52) Click here to launch video Click here to download print activity

3 respiratory tract – Pg. 633 mucous membrane – Pg. 634 Pneumonia – Pg. 634 Jaundice – Pg. 635 Cirrhosis – Pg. 635

4 Today’s Objectives Describe a few tips to help you avoid getting sick. Explain why the common cold cannot be cured. Explain the differences between Hepatitis A, B, and C.

5 You can lower your chances of catching a communicable disease by learning about the causes and symptoms of these diseases, and how to avoid them.

6 Respiratory Infections Many diseases begin as respiratory infections. The respiratory tract connects the outside world to the inside of your body.

7 Respiratory Infections Many communicable diseases occur in the respiratory tract, the passageway that includes the nose, throat, and lungs. Respiratory tract The passageway that makes breathing possible

8 Respiratory Infections Avoiding Respiratory Infections Avoid close contact with sick people. If you’re ill, stay home. Wash your hands often. Avoid touching your mouth, eyes, and nose. Eat right and get physical activity. Abstain from smoking.

9 Common Cold The common cold is a viral infection that causes inflammation of the mucous membrane. Mucous membrane The lining of various body cavities, including the nose, ears, and mouth

10 Influenza Influenza, or the flu, is a viral infection of the respiratory tract. Symptoms include high fever, fatigue, headache, muscle aches, and coughing.

11 Influenza A flu vaccination protects you from one type of flu virus that may be common that year. Getting a yearly flu vaccine is especially important for older adults and people with chronic health problems.

12 Pneumonia In severe cases, the flu can lead to pneumonia. Its symptoms are similar to those of the flu. Pneumonia An infection of the lungs in which the air sacs fill with pus and other liquids

13 Pneumonia Viral pneumonia is sometimes treated with antiviral drugs. Bacterial pneumonia, if diagnosed early enough, can be treated with antibiotics.

14 Strep Throat Strep throat is a bacterial infection spread by direct contact with an infected person or through airborne transmission. Symptoms include sore throat, fever, and enlarged lymph nodes in the neck.

15 Hepatitis There are three common types of hepatitis. Hepatitis is a viral infection that causes inflammation of the liver.

16 Hepatitis One symptom of hepatitis is jaundice. Jaundice A yellowing of the skin and eyes

17 Hepatitis Some people also develop cirrhosis. Cirrhosis Scarring of the liver

18 Hepatitis Hepatitis A usually attacks the digestive system through contact with the feces of an infected person. Common symptoms include fever, vomiting, fatigue, abdominal pain, and jaundice.

19 Hepatitis Hepatitis B can be spread through sexual contact or contact with an infected person’s blood. It has symptoms similar to those of hepatitis A, but it can cause liver failure and cirrhosis.

20 Hepatitis Hepatitis C can is most often spread by direct contact with needles that are contaminated with infected blood.

21 Hepatitis Symptoms of Hepatitis C include jaundice, dark urine, fatigue, abdominal pain, and loss of appetite. It can lead to chronic liver disease, liver cancer, and liver failure.

22 Other Communicable Diseases Stay informed about communicable diseases. The more you know about these diseases and how they are transmitted, the better your chances of not getting them.

23 Other Communicable Diseases Direct or Indirect ContactVirusChicken Pox Direct or Indirect ContactVirus or BacteriaMeningitis VectorsVirusEncephalitis Direct or Indirect ContactVirusMeasles Direct ContactVirusMononucleosis TransmissionTypeDisease

24 END

25 Exit Ticket 1)Influenza can lead to __________, a potentially fatal infection of the lungs. 2)Which of the following habits probably will NOT help you avoid respiratory tract infections? a. Rinsing with mouthwash b. Frequent hand washing c. Avoiding close contact with ill people d. Abstaining from smoking

26 3) What is the most common blood-borne infection in the United States? a. Hepatitis A b. Hepatitis B c. Hepatitis C d. None of the above

27 Answer 1)Pneumonia 2)A. Rinsing with Mouthwash 3)C. Hepatitis C

28 After You Read Reviewing Facts and Vocabulary The symptoms of the flu, which include high fever and fatigue, are more serious than the symptoms of the common cold. 1.How is a common cold different from the flu?

29 After You Read Reviewing Facts and Vocabulary 2.What are three ways to prevent a respiratory tract infection? Sample answer: Avoid close contact with sick people. Wash your hands often. Avoid touching your mouth, eyes, and nose.

30 After You Read Reviewing Facts and Vocabulary 3.Can hepatitis be treated successfully with antibiotics? Explain. Hepatitis cannot be treated with antibiotics because it is caused by a virus.

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