This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.V.S., Subject name: Medicine
[{'content': "Which of the following pulmonary symptoms don't have the corresponding non-pulmonary association? \nSelect and explain. \nA. Cyanosis-Anxiety, B. Wheezing-Congestive heart failure, C. Tachypnea-Acidosis, D. Chest pain-Pericarditis", 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. a. Cyanosis-Anxiety (Ref: Harrison 19/e p248, 18/e p104, 288. 2085)Cyanosis is a severe respiratory symptom. It is seldom seen in anxiety:'In Heart Failure patients with pulmonary edema, rales may be heard widely over both lung fields and may be accompanied by expiratory wheezing (cardiac asthma).Harrison 18/e p2085'Metabolic acidosis has profound effects on the respiratory, cardiac, and nervous systems. The fall in blood pH is accompanied by a characteristic increase in ventilation, especially the tidal volume (Kussmaul respiration) and Heart rate. ' 'Chest Pain is a characteristic feature of pericarditis, which makes it a close differential for Myocardial Infarction. - Harrison 18/e p104", 'role': 'assistant'}]