This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C. Mycobacteria, Subject name: Skin
Lupus vulgaris is - 
Select and explain. 
A. Tuberculosis of skin, B. Basal cell carcinoma, C. Squamous cell carcinoma, D. Fox bite
A: Tuberculosis of skin
Answer: A: Tuberculosis of skin 
Explanation: Ans. is 'a' i.e., Tuberculosis of skin o Lupus vulgaris is most common type of cutaneous tuberculosis. Cutaneous tuberculosis | |b1Exogenous SourceEndogenousHypersensitivityo Tuberculosis chancre (Primary inoculation TB)o Tuberculosis verucosa cutiso Lupus vulgariso Scrofulodermao Orificial tuberculosiso Miliary tuberculosiso Metastatic tuberculous abscesso Gummao Tuberculids# Lichen scrofulossorum# Papulo-necrotic# Erythema induration# Erythema nodosum