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Which type of bacteria is associated with causing strep throat or blood poisoning?

  1. Spirilla

  2. Diplococci

  3. Streptococci

  4. Bacilli

The correct answer is: Streptococci

The bacteria responsible for strep throat and certain types of blood poisoning are classified as streptococci. This genus of bacteria is characterized by its spherical shape and its tendency to form chains or pairs. Streptococcus pyogenes, in particular, is the species most commonly associated with strep throat, while other streptococci can lead to bloodstream infections. Understanding the significance of this type of bacteria is important in clinical settings. Streptococci are known for their potential to cause a wide range of diseases, from mild to severe. Their ability to form chains can facilitate the spread of infection, contributing to higher incidence rates in certain populations. In contrast, other types mentioned, such as spirilla and bacilli, represent different bacterial shapes and families with different diseases associated with them. Diplococci, while also round and often found in pairs, do not typically cause strep throat and are more commonly linked with other infections, such as pneumonia. Thus, the correct identification of streptococci is crucial for effective diagnosis and treatment of these infections.