1. Communicable Diseases
Chapter 13
Communicable Diseases
Lesson 4
Preventing the Spread of Disease
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2. hygiene
cleanliness
Click to reveal the definitions.

3. In this lesson, you will learn to
describe how to protect yourself against pathogens.
explain how to avoid spreading pathogens to others when you are sick.
identify habits that can help you stay healthy.
practice positive health behavior to prevent the spread of disease.

4. Main Headings in this Lesson
Finding the Main Idea
Look at the main headings in this lesson. For each heading, write one sentence that explains the main idea.
Main Headings in this Lesson
Keeping Pathogens from Spreading
A Healthful Lifestyle

5. Keeping Pathogens from Spreading
Good personal hygiene helps limit the number of pathogens you encounter.
hygiene Cleanliness
You can’t avoid pathogens, but you can develop good habits to protect yourself from them.

6. Protecting Yourself from Pathogens
Avoid close contact with people who have a communicable disease.
Never share eating utensils.
Wash yourself thoroughly and often, especially before preparing foods.
When washing your hands, use plenty of warm water. Remember to wash your hands after you use the bathroom, play with pets, visit a sick person, or touch garbage or any other source of pathogens.
Keep your fingers and hands away from your mouth, nose, and eyes.

7. Protecting Yourself from Pathogens
Handle and prepare food safely.
Wipe counters thoroughly.
Empty the trash can often.
Handling and preparing food safely is especially important for meat, poultry, and fish. Always wash vegetables and cook meat thoroughly.
Keeps pets clean and healthy.

8. Protecting Others from Pathogens
If you feel sick, tell a parent or guardian.
If you are ill, stay home from school and other public places.
Cover your mouth and nose when you sneeze or cough.
Early treatment helps keep your condition from getting worse and limits the number of people who are exposed to whatever is making you sick.
If you are sick, limit your contact with other people and wash your hands often.
Only use a tissue once and throw it away in the proper place. If you don’t have a tissue, sneeze or cough into the crook of your elbow rather than your hand.
Don’t stop taking a medicine because you feel better.
If a medical professional has told you to take medicine, follow the directions on the label exactly.

9. A Healthful Lifestyle Eat a balanced diet.
Bathe or shower regularly using soap and shampoo.
Here are some positive health practices that you can develop.
Avoid all tobacco products, alcohol, and other drugs.
Get 8–9 hours of sleep every day.

10. A Healthful Lifestyle
Rest when you are sick.
Ask a parent or guardian to make sure your immunizations are up to date.
Here are some positive health practices that you can develop.
Learn to manage stress.
Visit the doctor for regular checkups and follow the advice of your doctor.

11. Lesson 4 Review
What I Learned
Vocabulary Define hygiene, and use the term in a sentence.
Hygiene is cleanliness. Sample sentence: Good personal hygiene can protect you from pathogens.

12. Lesson 4 Review
What I Learned
Describe How can staying home when you are sick help keep others healthy?
Staying home when you are sick avoids exposing others to the illness.

13. Lesson 4 Review
What I Learned
Identify What are three strategies for protecting yourself from pathogens?
Avoid close contact with people who have a communicable disease, don't share eating utensils, and wash your hands thoroughly and frequently.

14. Lesson 4 Review
Thinking Critically
Explain Why do you think you should keep your trash can clean?
Food can collect at the bottom of a trash can, and bacteria can grow.

15. Lesson 4 Review
Thinking Critically
Apply Turtles and other reptiles carry salmonella. This bacteria often makes people sick if they ingest it. What would be a good way to make sure you don’t get sick from your friend’s pet turtle?
You shouldn't handle the pet turtle if you can help it. If you have to pick up the turtle, you should wash your hands thoroughly.

16. Communicable Diseases
End of
Chapter 13
Communicable Diseases
Lesson 4
Preventing the Spread of Disease
Click for:
>> Main Menu
>> Chapter 13 Assessment