Physician-hospital organizations (phos) are also called organizations.                a.  medical staff-hospital      b.  health management      c.  individual provider      d.  preferred provider 

A. medical staff-hospital

Explanation:

A medical-hospital organization (PHO) may also be called a medical-hospital staff because it refers to the legal or informal partnership of hospitals with its staff of doctors, nurses and other professionals. The purpose of these PHO is to expedite care so that diagnosis and treatment are performed in the shortest time and with the highest degree of quality, as a medical team specialized in a hospital equipped for the problems that the patient may have.