Which of the following factors are determinants of cardiac output?

Data divided into ten equal parts are referred to as ____________

A) ?rank B) ?quartiles C) ?percentiles D) ?deciles

With digital imaging systems, the primary factors affecting final image contrast are the

a. window level and brightness. b. histogram and look-up-table (LUT). c. EI numbers and grid ratio. d. kVp and mAs.