This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
Systemic effects of obstructive sleep apnea syndrome (OSAS) include all of the following except 
Select and explain. 
A. Hypertension, B. Cor pulmonale, C. Aortic aneurysm, D. Cardiac arrhythmia
C: Aortic aneurysm
Answer: C: Aortic aneurysm 
Explanation: Systemic sequelae of OSAS include hypertension, Cor Pulmonale, and cardiac arrhythmia.