Severe non-proliferative diabetic retinopathy:

Which external environments impact the operation and design of health care businesses?

A) Economic and political-legal B) Technological and economic C) Organizational direction and political-legal D) Formal structure and economic

To be classified as a control variable:

A) the variable is monitored only during one phase of ventilation B) the variable must be measured and used as feedback to control output C) the variable must be measured only during inspiration D) the variable must be measured only during exhalation