More complex counters use the ________ of a single tablet and the number desired to calculate the final amount, improving accuracy close to 99.9%

Which of the following short-acting beta agonists can be delivered via aerosol therapy?

A. levalbuterol (Xopenex®) B. tiotropium (Spiriva®) C. dornase alpha (Pulmozyme®) D. salmeterol (Serevent®)

While mechanically ventilating a patient for respiratory failure from airflow obstruction, when is increasing the delivered tidal volume up to 8 ml/kg appropriate?

A. when the patient has difficulty triggering a breath B. when the patient demonstrates a severe respiratory acidosis C. when the Pao2 falls below 70 mm Hg D. when the inspiratory flow is inadequate