NEET MDS Shorts
880769
General MicrobiologyC1. Perfringens types A, B, and C are capable of producing toxins that cause food poisoning. Type D, however, is not associated with foodborne illness. It is primarily involved in diseases such as gas gangrene and other infections due to the production of different types of toxins.
162030
General MicrobiologyAmoebic dysentery is not typically associated with a significant eosinophilic response. Eosinophils are a type of white blood cell that is often involved in allergic reactions and parasitic infections, but their presence is usually minimal in the context of amoebic infections. The inflammatory response in amoebic dysentery is mainly composed of neutrophils and macrophages.
544439
General MicrobiologyPrevotella intermedia and P. melaninogenicus (now known as Aggregatibacter actinomycetemcomitans) are both anaerobic bacteria that can be found in the oral cavity and are involved in the pathogenesis of periodontal diseases, including dentoalveolar abscesses. Fusobacterium nucleatum is another anaerobic bacterium commonly found in dental plaque and is associated with various oral infections, including dentoalveolar abscesses.
223482
General MicrobiologyThe presence of Charcot-Leyden crystals is a characteristic microscopic feature of amoebic dysentery that distinguishes it from bacillary dysentery.
509782
General MicrobiologyThe polymerase chain reaction (PCR) is a molecular technique used to amplify DNA sequences. In the context of tuberculosis, PCR can be used to detect the presence of Mycobacterium tuberculosis DNA in clinical samples, making it a valuable tool for indirect diagnosis.
456267
General MicrobiologySalmonella species, excluding Shigella sonnei, which is lactose non-fermenting, will ferment lactose in MacConkey agar, turning the colonies pink due to the formation of acidic end-products
953917
General MicrobiologyDiphtheria bacilli that ferment glycogen and starch are classified as Mitis.
571231
General MicrobiologySubtype B is the most common subtype of Hepatitis B virus found in Thailand, linked to increased risks of chronic infection.