This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Medicine
Obstructive sleep apnoea syndrome 
Select and explain. 
A. Associated with sudden cardiac death, B. Road traffic accidents, C. Bulimia nervosa, D. Anorexia nervosa
A: Associated with sudden cardiac death
Answer: A: Associated with sudden cardiac death 
Explanation: (A) Associated with sudden cardiac death > In severe and prolonged cases there is | in pulmonary prssure that are transmitted to right side of heart - this results in CHF - significantly lower levels of nitrate - CVS complications.