This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bacteria, Subject name: Microbiology
[{'content': 'Acid fast staining can be positive with? \nSelect and explain. \nA. Tubercle bacilli, B. Nocardia, C. Lipofuschin, D. All', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. d (All).(Ref. Microbiology by Ananthnarayan, 7th/357; Harsh Mohan, Pathology, 4th ed., 32)ACID FAST STAINING IS POSITIVE with {Mnemonic = MMC BLINC) :- Mycobacterium tuberculosis, - Mycobacterium leprae, - Cyclospora, - Bacterial spores, - Lipofuschin pigment,- Isospora, - Nocardia, - Cryptosporidium.Educational points:# Nocardia are aerobic, crooked, branching, beaded, gram +ve and partially acid fast filaments on microscopy. TMP- SMX is Rx of choice.# Lipofuschin is "wear and tear" lipid pigment in cells and can be stained by fat stains but differs from other lipids in being fluorescent and acid fast.', 'role': 'assistant'}]