<prompt> Which of the following statement are true regarding asthma?Occlusion of bronchi and bronchioles by mucusCurschmann spiralsCharcot-Leyden crystalsAll of the above  <response>: Sputum or bronchoalveolar lavage specimen findings - Curschmann spirals extrusion of mucus plugs from subepithelial mucous gland ducts or bronchioles. Numerous eosinophils and Charcot-Leyden crystals; the latter are composed of an eosinophil protein called galectin-10. Creola bodies The other characteristic histologic findings of asthma, collectively called airway remodeling. 