When managing the airway of an elderly patient who is not​ breathing, what consideration must be made in regard to maintaining a good seal while delivering​ ventilations?A. elderly patients have decreased lung compliance requiring higher tidal volumes.B. elderly​ patients' airways are smaller and more anterior than younger adults.C. elderly patients have decreased ability for gas exchange to occur requiring higher amounts of supplemental oxygen.D. elderly patients often will have loss of dentation or poorly fitting dentures.