Cause of central cyanosis include all of the following, Except: (A) Chronic Asthma, (B) Congenital Pulmonary stenosis, (C) Congestive hea failure, (D) Alveolar hypoventilation
Answer is C. Answer is C (Congestive hea failure): Congestive Hea Failure is a cause for Peripheral cyanosis and not central cyanosis Cyanosis when present in Asthma, pulmonic stenosis and alveolar hypoventilation is of the central type.