17. Which of the following forms of birth control on the market is the only one proven to reduce the transmission of HIV and other STDs?

A. foam

B. birth control pill

C. IUD

D. latex condoms

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18. Which of the following choices is a symptom of HIV?

A. fever

B. night sweats

C. fatigue

D. All of these choices are correct.

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19. Which of the following statements about HIV is true?

A. It attacks the body's immune system so that it cannot effectively fight off infections.

B. It does not affect the person until it turns into AIDS.

C. It causes cancer.

D. None of these choices are correct.