Pulaski 's apprehension at using the transporter was evident in " The Schizoid Man " , where Dr. Selar ( Suzie Plakson ) went with the away team instead of Pulaski , as it required her to beam over to a transport vessel . However , the transporter would later save Pulaski 's life in " Unnatural Selection " , after she was infected with a disease from the planet Gagarin IV that accelerated her aging process . She use the transporters to remove the infection and is returned to health .