Which of the following is a donut-shaped smooth muscle found throughout the digestive system?

A term usually reserved for a credential given by a nongovernmental, nonprofit organization that attests to a person's competency in a given profession is:

A) Occupational licensing B) Board certification C) Specialty certification D) Accreditation

With regard to legal cases involving sexual harassment, which one of the following statements is not true?

A) The victim has to be the person who is harassed. B) The victim as well as the harasser may be a man or a woman. C) The harasser's conduct must be unwelcome. D) Unlawful sexual harassment may occur without economic injury.