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The cocci bacteria that causes abscesses, pustules, pimples, and boils are?

  1. Staphylococci

  2. Streptococci

  3. Bacilli

  4. Spirochetes

The correct answer is: Staphylococci

Cocci bacteria are spherical-shaped bacteria. The bacteria that causes abscesses, pustules, pimples, and boils all have a spherical shape, thus indicating that they are part of the cocci group. Among the options given, only Staphylococci are cocci bacteria, as the others are either rod-shaped (bacilli) or spiral-shaped (spirochetes). Therefore, the correct answer is A.