According to the lesson, which type of health science career would require the greatest time investment?

phlebotomist
health information manager
nurse practitioner
x-ray technician < wrong

nurse practioner

phlebotomists: takes less than a year to complete the necessary training to become a phlebotomist. Most phlebotomy training programs last between 4 and 8 months. It often takes another 6 months of clinical experience before employers will consider new phlebotomists as applicants.

health information managers: are typically certified as a Registered Health Information Administrator (RHIA) after achieving a bachelor's degree in health informatics or health information management from a school accredited by the Commission on Accreditation for Health Informatics and Information Management Education (CAHIIM) and after passing their respective certification exam.

in order to become a nurse practitioner, a nurse must have at least a master’s degree – These programs typically take two to three years to complete as a full-time student

Explanation:

the gravitational force on an object increase as the mass of an object also, im not going to report you, but this question should be under the science category, not health

the psychologist would claim that the research results were significant.