Evaluating the Respiratory Status of a 59-Year-Old Man with Vague

Evaluating the respiratory status of a 59-year-old man with vague complaints of respiratory problems, the nurse would know the assessment that is normal is

A) an inspiratory wheeze heard only with a stethoscope.
B) dyspnea with mild exertion.
C) reports of loud snoring by the client's spouse.
D) the absence of sputum production after coughing.