Which of the Following Factors Must Be Considered for Long-Term

Which of the following factors must be considered for long-term positioning of patients?

A) Patient comfort is always the most important factor in long-term positioning.
B) A patient's lungs will drain optimally while he or she is in a sidelying position.
C) Patients need frequent changes of position to minimize the negative effects of immobility.
D) Patients should be positioned in supine for at least 60% of the day.