Milady Cosmetology Practice Exam

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Prepare for the Milady Cosmetology Exam with interactive quizzes, flashcards, and multiple choice questions. Each question comes with hints and explanations to enhance your learning experience. Master your skills and ace your exam with confidence!

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A carbuncle is caused by which type of bacteria?

Streptococci
Staphylococci
Escherichia coli
Lactobacillus

The correct answer is: Staphylococci

A carbuncle is a cluster of two or more interconnected furuncles (boils) that typically appears on the skin and is characterized by redness, swelling, and pus formation. It is primarily caused by Staphylococcus bacteria, particularly Staphylococcus aureus. This type of bacteria is known for its ability to cause skin infections, making it the correct answer in this context. Staphylococci are cocci-shaped bacteria that can lead to a variety of infections, including those that affect the skin and soft tissues. They are opportunistic pathogens, often found on the skin and mucous membranes, and can enter the body through breaks in the skin, leading to conditions like carbuncles. The other choices refer to different types of bacteria that are associated with various infections but do not directly cause carbuncles. Streptococci can cause different skin infections (like impetigo) but are not the primary culprits for carbuncles. Escherichia coli is typically associated with gastrointestinal infections and is not known for skin conditions. Lactobacillus is primarily associated with the human microbiome and is often found in the digestive system, particularly in relation to gut health, making it unlikely to be related to a carbuncle.