Which Statement Indicates an Accurate Understanding of Administering Positive Pressure

Which statement indicates an accurate understanding of administering positive pressure ventilation (PPV) to a geriatric patient?

A) "An increase in the force of ventilation is needed to get air into the stiff lungs."
B) "If the patient is breathing between 10 and 20 breaths per minute, PPV is not needed."
C) "If the geriatric patient has a history of COPD, a pediatric bag-valve mask may be needed."
D) "Gentle ventilations that make the chest rise are adequate to provide oxygen into lungs."