216 THE LARYNX, BRONCHI AND OESOPHAGUS been successful, the object will be coughed out or swallowed, and the spasm will settle. If the reflex has not been successful in preventing inhalation of the foreign body the symptoms also gradually settle, although an expiratory wheeze may persist. Failure of the reflex is more liable to occur if a sudden inspiration, due to fright or laughter, precedes the cough reflex, because this deep inspiration may open the glottis widely and allow the entry of the object. 108. Foreign body (safety-pin) in subgtottic region of the larynx, showing position of flattened body held up in the larynx and trachea. A, Anteroposterior view; B, Lateral view.