Question: Which of the following assessments is most useful for evaluating respiratory function in a patient with suspected chronic obstructive pulmonary disease (COPD)? Need Assignment Help? Group of answer choices Chest X-ray Spirometry Pulse oximetry Arterial blood gas (ABG) analysis Flag question: Question Anticholinergic agents such as ipratropium (Atrovent) and tiotropium (Spiriva) are used in COPD primarily to: Group of answer choices treat hypoxemia. induce bronchodilation. expand the lung fields. decrease airway inflammation.