SmartSync is a unique pressure sensing device that allows for sensitive synchrony between a patient's natural breathing cycle and breath support. On which ventilator is this found?

In an equation, the independent variable is which of the following?

A) The variable that has a fixed value B) The variable that is determined by the other variable C) The variable whose value is changed by the proportionality constant D) The variable whose value we control

Which of the following signs or symptoms should the patient be instructed to report during an exercise electrocardiography test?

A. Dizziness B. Increased respiratory rate C. Increased heart rate D. Mild fatigue