单选题 A client with a myocardial infarction (MI) develops pulmonary crackles and dyspnea. A chest X-ray shows evidence of pulmonary edema. The specific type of MI the client had is most probably
A. anterior.
B. posterior.
C. lateral.
D. inferior.

【正确答案】 A

【答案解析】An anterior MI causes left ventrieular dysfunction and can lead to manifestations of heart failure, which include pulmonary crackles and dyspnea. The other types of MI aren't usually associated with heart failure.