A 55-Year-Old Patient with Increasing Dyspnea Is Being Evaluated for a Possible

A 55-year-old patient with increasing dyspnea is being evaluated for a possible diagnosis of chronic obstructive pulmonary disease (COPD) .When teaching a patient about pulmonary function testing (PFT) for this condition,what is the most important question the nurse should ask?

A) "Are you claustrophobic?"
B) "Are you allergic to shellfish?"
C) "Do you have any metal implants or prostheses?"
D) "Have you taken any bronchodilators in the past 6 hours?"

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