This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Mycology, Subject name: Microbiology
[{'content': 'Raynolds-Braude phenomenon is shown by: \nSelect and explain. \nA. Candida albicans, B. Mucor, C. Cryptococcus, D. Aspergillus', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. a (Candida albicans). (Ref. Ananthanarayan, Microbiology/ 6th/pg.576)RAYNOLDS-BRAUDE PHENOMENON (Germ tube formation) is a rapid method of identifying Candida albicans based on ability to form germ tubes within 2 hours on incubation in human serum at 37degC.CANDIDA ALBICANS# Yeast like fungus# Pseudomycelia# Diabetes is the most common predisposing factor# Normal inhabitants of skin and mucosa# Produces creamy-white, smooth colonies with yeast odour on Sabouraud's media# Forms Chlamydospores on com meal agar at 20degC# Treatment:- Local-nystatin,- Disseminated - Amphotericin, 5-Flurocytocin, clotrimazole.Opportunistic systemic mycotic infections include:SR. NO.FUNGUSMICROBIOLOGICAL FEATURESCLINICAL MANIFESTATIONS1AspergillusSeptate hyphae & sterigmataOtomycosis is most common.Rhinocerbral aspergillosis is particularly seen in diabetics.ABPA2MucorBroad non-septate mycelia without rhizoids, branched sporangiophoresNasal & PNS mucormycosis3PenicilliumBrush like conidia, chain of sporesIn HIV infected patients4RhizopusNon-septate mycelia with rhizoids-5AbsidiaiInvasive disease", 'role': 'assistant'}]