Doris is memorizing some chapter definitions for an economics quiz. For each defined term, she repeats the definition and uses the new term in a sentence that contains other words with which she is already familiar. She is engaging in ____

Which of the following is true regarding circumcision and AIDS?

A) In a study from Africa, circumcised men were slightly more likely to become infected with HIV than uncircumcised men. B) In a study from Africa, uncircumcised men were more likely to become infected with HIV than circumcised men. C) Across studies, circumcision is not related to the risk of contracting HIV. D) Circumcision relates to risk of HIV infection in Africa only. They are not related in other areas of the world.

A common symptom associated with OCD is

a) trying unsuccessfully to suppress, ignore, or neutralize the obsession. b) self-soothing. c) insecurity and separation anxiety. d) volatile mood swings.