This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bacterial Infection of Skin, Subject name: Skin
[{'content': 'Scalded skin syndrome is caused by? \nSelect and explain. \nA. Staphylococci, B. Pneumococci, C. Streptococci, D. Meningococci', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. a (Staphylococci). (Ref. Textbook of Microbiology by Anantanar ay an 6th/183)STAPHYLOCOCCUS AUREUSINTRODUCTION# Coagulase positive# Ferments mannitol# Produces b-hemolysis# Produces golden yellow pigment# Liquifies gelatin# Produces phosphatase# Catalase and DNAase positive# In K tellurite medium it produces black colonies# Phage typing is extremely important in epidemiological study of staphylococcus.Antigenic structures# Capsular ags,# peptidoglycan,# protein A,# clump factor, etc.Toxins# hemolysin,# P-leucocidins,# enterotoxin,# exfoliative toxin (exotoxin).Pathology# Food poisoning - enterotoxin A# Toxic shock syndrome - enterotoxin F, TSS toxin, Type C pyrogenic exotoxin# Staphylococcal scalded skin syndrome - exfoliative toxin# Recurrent staphylococcal infection (furuncle, boils, abscess, impetigo, pemphigus neonatorum, pneumonia with pneumatocele, osteomyelitis).', 'role': 'assistant'}]