Nearly 50 percent of sexually active individuals will be infected with HPV at some point in their lives

Which statement would an expert in male puberty make?

A) "In boys, facial hair is the first to develop." B) "Boys who have severe acne have a lower-than-normal testosterone level." C) "Even though boys appear to reach puberty two years after girls, on average spermarche occurs only about 6 months later than menarche." D) "Male physical development during puberty follows the cephalocaudal sequence."

Marton has difficulties relating to the other students who live in his dormitory. He does not participate in the social events that the other students do together, opting instead to stay in his room playing video games for hours on end

The others who live on his hall often describe him as being odd or weird, and as a result they tend to pull away from him. Marton might be best diagnosed with __________. a. bipolar disorder b. autism c. Asperger syndrome d. somatization disorder