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: Microbiology
True about nocardia are all EXCEPT: 
Select and explain. 
A. Penicillin is drug of choice, B. Most common disease caused is pneumonia, C. Aerobic, D. Acid fast
A: Penicillin is drug of choice
Answer: A: Penicillin is drug of choice 
Explanation: Penicillin is drug of choice REF: Harrsion's 18th ed chapter 162 NOCARDIA: Aerobic, gram positive, urease, catalase positive, paially acid fast. Most common species: N. ASTEROIDES Most common risk factor: contact with soil or vegetable Most common manifestation: pneumonia Most common site of extra pulmonary dissemination: brain DOC: Trimethoprim - sulphamethoxazole