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Chapter 20

Chapter 20. Preview. Key Terms Key Ideas Graphics Critical Thinking. Chapter 20. Using Key Terms. 1. The occurrence of more cases of a disease than expected is called an ____________. Chapter 20. Using Key Terms.

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Chapter 20

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  1. Chapter 20 Preview • Key Terms • Key Ideas • Graphics • Critical Thinking

  2. Chapter 20 Using Key Terms 1. The occurrence of more cases of a disease than expected is called an ____________.

  3. Chapter 20 Using Key Terms 1. The occurrence of more cases of a disease than expected is called an epidemic.

  4. Chapter 20 Using Key Terms 2. ______________ is an STD caused by a bacterium that can cause ulcers or chancres.

  5. Chapter 20 Using Key Terms 2. Syphilis is an STD caused by a bacterium that can cause ulcers or chancres.

  6. Chapter 20 Using Key Terms 3. _________________ are infectious diseases spread by sexual contact.

  7. Chapter 20 Using Key Terms 3. Sexually transmitted diseases (STDs) are infectious diseases spread by sexual contact.

  8. Chapter 20 Understanding Key Ideas • 4. One in ______ female teenagers get pregnant each year. • A. 5 • B. 10 • C. 20 • D. 100

  9. Chapter 20 Understanding Key Ideas • 4. One in ______ female teenagers get pregnant each year. • A. 5 • B. 10 • C. 20 • D. 100

  10. Chapter 20 Understanding Key Ideas • 5. What percentage of all new SDTD cases occur in people between the ages of 15 and 19? • A. 1 percent • B. 10 percent • C. 25 percent • D. 50 percent

  11. Chapter 20 Understanding Key Ideas • 5. What percentage of all new SDTD cases occur in people between the ages of 15 and 19? • A. 1 percent • B. 10 percent • C. 25 percent • D. 50 percent

  12. Chapter 20 Understanding Key Ideas • 6. What symptom may occur in both males and females who have gonorrhea? • A. fever • B. painful urination • C. bleeding • D. blisters

  13. Chapter 20 Understanding Key Ideas • 6. What symptom may occur in both males and females who have gonorrhea? • A. fever • B. painful urination • C. bleeding • D. blisters

  14. Chapter 20 Understanding Key Ideas • 7. Which viral STD increases a woman’s risk of developing cervical cancer? • A. HPV • B. HIV • C. gonorrhea • D. genital herpes

  15. Chapter 20 Understanding Key Ideas • 7. Which viral STD increases a woman’s risk of developing cervical cancer? • A. HPV • B. HIV • C. gonorrhea • D. genital herpes

  16. Chapter 20 Understanding Graphics 8. What was the rate of chlamydia infections in 1999?

  17. Chapter 20 Understanding Graphics • 8. What was the rate of chlamydial infections in 1999? • Between 375 and 400 cases per 100,000 people

  18. Chapter 20 Understanding Graphics 9. How has the number of cases of chlamydia changed over time?

  19. Chapter 20 Understanding Graphics • 9. How has the number of cases of chlamydia changed over time? • It has increased.

  20. Chapter 20 Critical Thinking 10. Describe how the life of a teen parent differs from the life of a teen without a child.

  21. Chapter 20 Critical Thinking • 10. Describe how the life of a teen parent differs from the life of a teen without a child. • Teen parents may have to interrupt their education, job options are limited, parents are legally responsible for the care and well-being of their children, and teen parents are not ready for this type of responsibility.

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