56.下列何種噴霧設備可以作 metaproterenol 吸入治療？①ultrasonic nebulizer ②small-particle aerosol generator ③intrapulmonary percussive ventilation ④aeroneb ⑤breath-acuated nebulizer ⑥hand-bulb atomizer (A)僅①③④⑤ (B)僅①④⑤⑥ (C)僅①②⑤⑥ (D)①②③④⑤⑥