Question

what effect will most likely result from a combination of drug abuse and unprotected sex with different partners?
increased risk of developing a sexually transmitted infection
decreased chance of developing cervical cancer
decreased risk of developing hiv infection
increased risk of unplanned pregnancy

Explanation:

Drug abuse can impair judgment, leading to risky behaviors like unprotected sex. Unprotected sex with multiple partners directly increases the likelihood of exposure to pathogens that cause sexually transmitted infections (STIs). Cervical cancer risk is often associated with certain STIs (like HPV), so unprotected sex would likely increase, not decrease, its risk. Unprotected sex increases, not decreases, HIV risk. While unprotected sex can lead to unplanned pregnancy, the combination of drug abuse (impairing judgment) and unprotected sex with multiple partners most directly and strongly relates to STI risk as it's about exposure to infections through sexual contact.

Answer:

Increased risk of developing a sexually transmitted infection.