A(n) ________ effect can result in two hormones having a net effect greater than the sum of their individual effects

Pharmacies with more than ________ employees will maintain a log of work-related injuries and illnesses

a. 5 b. 10 c. 50 d. 75

A(n) ________ is performed by injecting air instead of contrast media after some cerebral spinal fluid has been removed.

A. angiograph B. pneumoencephalograph C. angioplasty D. mammography