Australian Dental Council (ADC) Test 2026 – 400 Free Practice Questions to Pass the Exam

A carbuncle is classified as a staphylococcal infection because it is a localized skin infection caused by Staphylococcus bacteria, typically Staphylococcus aureus. These bacteria can invade the skin through small breaks or hair follicles, leading to the formation of a painful cluster of boils or abscesses. The presence of pus, redness, and swelling are key characteristics of this condition, which is associated with the virulence of staphylococcal species.

In contrast, scarlet fever is caused by streptococcal bacteria, which produce toxins leading to a distinct rash and systemic symptoms. Pericarditis, the inflammation of the pericardium, can be due to various infections or non-infectious causes, but it is not specifically linked to staphylococcal infection. Similarly, pancreatitis refers to inflammation of the pancreas, which is primarily associated with gallstones and alcohol use rather than a staphylococcal origin. Thus, the defining characteristics and causative agents clearly designate carbuncles as the correct answer in identifying a staphylococcal infection.