Of the various types of STDs, the type that is caused by a _____ cannot be cured, only treated.

Women are most likely to be the initiators of sex when they are in their:

A transsexual who is attracted to males would be classified as:

The blood test that detects the presence of antibodies to HIV is the:

Which of the following STIs can be transmitted from an infected woman to her baby during pregnancy or childbirth?

With regard to masturbation, studies have shown that:

Which of the following is true about chlamydia?

The use of physically restraining devices or psychologically restraining commands as a central aspect of sexual interactions is known as:

The most difficult part of the sampling procedure in sex research is:

The case where a woman is able to have an orgasm during some kinds of sexual activity, such as masturbation, but not during sexual intercourse, is ______ orgasmic disorder.