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: Medicine
The Epwoh scale is used for assessing - 
Select and explain. 
A. Body mass index, B. Vital capacity in post-operative patients, C. Sleep apnea, D. Risk of embolism in perioperative patient
C: Sleep apnea
Answer: C: Sleep apnea 
Explanation: Answer- C. Sleep apneaThe Epwoh Sleepiness Scale-Obstructive sleep apneaNarcolepsyIdiopathic hypersomnia