A group of nurses are discussing risk factors for transmission of human immunodeficiency virus (HIV) from clients. Which of the following individuals should the nurse identify as being at the greatest risk for contracting HIV?

A phlebotomist who collects blood from clients who have HIV.

A nurse who works for an insurance company and collects urine samples from clients who have HIV.

An occupational therapist who works with a client who has HIV.

A personal trainer who works with a client who has HIV.