This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Other Key Definitions & Concepts, Subject name: Social & Preventive Medicine
The state of social dysfunction is called as: 
Select and explain. 
A. Illness, B. Disease, C. Sickness, D. Unwell
C: Sickness
Answer: C: Sickness 
Explanation: "Sickness" refers to a state of social dysfunction. "Disease" is a physiological/psychological dysfunction. "Illness" is a subjective state of the person who feels aware of not being well.