In which areas of the body are furuncles most commonly found?

Furuncles, also known as boils, are typically localized infections that occur in hair follicles and are often filled with pus. They arise in areas of the body where hair follicles are present and where friction, moisture, and skin-to-skin contact can lead to irritation or infection.

The back of the neck, face, and buttocks are common sites for furuncles due to the presence of numerous hair follicles and the likelihood of sweating and friction in these areas. The skin in these regions can become easily irritated, allowing bacteria to invade hair follicles and cause infection, leading to the formation of the furuncle.

In contrast, the other options either focus on areas that do not have a high concentration of hair follicles or are less likely to be affected by the conditions that promote the development of furuncles. For example, while the arms and legs do have hair follicles, they are also areas that are less frequently exposed to the types of irritation and contamination that prominently lead to furuncles. Similarly, the abdomen, chest, feet, and hands may have some susceptibility, but they do not feature as prominently in typical cases of furunculosis as the back of the neck, face, and buttocks do.