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Sexually-transmitted infections are caused by sexual contact with an infected person. Sexual contact includes which of the following?

  1. Shaking hands

  2. Contact of the mouth with the genitals

  3. Hugging

  4. Eating with the same utensils

The correct answer is: Contact of the mouth with the genitals

The correct selection is based on the understanding of how sexually-transmitted infections (STIs) are transmitted. Sexual contact that can lead to the transmission of STIs generally involves direct contact with body fluids or mucous membranes, particularly those found in the genitals or anal areas. In this context, contact of the mouth with the genitals can facilitate the transfer of infectious agents, making it a method for transmitting STIs. Other forms of contact, such as shaking hands, hugging, or eating with the same utensils, do not involve the specific types of intimate contact necessary for STI transmission. These interactions do not typically involve the exchange of bodily fluids or contact with mucous membranes, which are key factors in the spread of sexually transmitted infections. Hence, they are not recognized as methods of transmission for STIs.