Multiple choice

1. ________________ is the name of a condition in women where normal balance of bacteria in the vagina is disrupted and replaced by an overgrowth of certain bacteria.

a. herpes

b. bacterial vaginosis

c. Chlamydia

d. syphilis

2. HIV kills for damages the body's_________

a. liver cells

b. immune systems cells

c. prostate cells

d. all of the above

3. The __________ the concentration of HIV in semen or genital fluids, the more likely it is that HIV will be transmitted to a sex partner.

a. lower

b. weaker

c. higher

d. all of the above

4. Which STD is known as a "silent" disease because the majority of infected people have no symptoms?

a. Chlamydia

b. syphilis

c. herpes

d. gonorrhea