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: Pathology
A typical example of an immunologically mediated collagen, connective tissue disorder: 
Select and explain. 
A. Pemphigus, B. Bullous pemphigus, C. Lupus erythematous, D. Lichen planus
C: Lupus erythematous
Answer: C: Lupus erythematous 
Explanation: Systemic Lupus Erythematosus is a multisystem autoimmune disease characterised by autoantibodies, immune complex formation and immune dysregulation resulting in damage to kidney, skin, blood vessels, CNS.