Podcast
Questions and Answers
What is the main characteristic of non-bullous impetigo?
What is the main characteristic of non-bullous impetigo?
What bacterium is primarily responsible for bullous impetigo?
What bacterium is primarily responsible for bullous impetigo?
Which of the following best describes the transmission of impetigo?
Which of the following best describes the transmission of impetigo?
What environmental condition increases the risk of developing impetigo?
What environmental condition increases the risk of developing impetigo?
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Which population is especially at risk for impetigo?
Which population is especially at risk for impetigo?
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Which characteristic is associated with folliculitis?
Which characteristic is associated with folliculitis?
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Which of the following factors does NOT increase the risk of cellulitis?
Which of the following factors does NOT increase the risk of cellulitis?
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What typical symptom does cellulitis cause?
What typical symptom does cellulitis cause?
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What is the primary pathogenic bacteria responsible for folliculitis?
What is the primary pathogenic bacteria responsible for folliculitis?
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Which symptom is NOT typically associated with folliculitis?
Which symptom is NOT typically associated with folliculitis?
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What increase in bodily response is associated with the infection of cellulitis?
What increase in bodily response is associated with the infection of cellulitis?
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Which of the following is NOT a risk factor for cellulitis?
Which of the following is NOT a risk factor for cellulitis?
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Impetigo is primarily caused by which types of bacteria?
Impetigo is primarily caused by which types of bacteria?
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How can folliculitis be transmitted?
How can folliculitis be transmitted?
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Which is a common route of entry for bacteria causing cellulitis?
Which is a common route of entry for bacteria causing cellulitis?
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Which of the following is a symptom of cellulitis?
Which of the following is a symptom of cellulitis?
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Study Notes
Integumentary - Bacterial Skin Infections
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Folliculitis:
- Caused by infection of the hair follicle, often by Staphylococcus aureus.
- Bacteria invade the follicle, causing inflammation and resulting in papules and pustules surrounded by redness.
- Transmission occurs through direct contact with contaminated surfaces, personal items, or contaminated water (like hot tubs).
- Risk factors include prolonged moisture, occlusive clothing, topical agents, poor hygiene, and skin trauma.
- Immunosuppressed individuals and those with predisposing skin conditions are more vulnerable.
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Cellulitis:
- Infection of the dermis and subcutaneous tissue, caused by Staphylococcus aureus, Streptococcus pyogenes, and other Streptococcal species.
- Bacteria penetrate through breaks in the skin (cuts, abrasions, insect bites).
- The infection spreads, causing localized inflammation, swelling, and redness.
- The affected area is warm, painful, and swollen, without a distinct border.
- Transmission is not direct but occurs through breaks in the skin from contaminated surfaces or other infections.
- Risk factors include prolonged moisture, occlusive clothing, topical agents, poor hygiene, and skin trauma.
- Immunosuppressed individuals and those with predisposing skin conditions are more vulnerable.
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Impetigo:
- Superficial skin infection primarily caused by Staphylococcus aureus and/or Streptococcus pyogenes.
- Bacterial toxins disrupt the skin barrier, leading to vesicle (blister) formation, which eventually ruptures and leaves honey-coloured crusts.
- Impetigo comes in two forms:
- Non-bullous impetigo: Flat, honey-colored crusts.
- Bullous impetigo: Large fluid-filled blisters (bullae) that rupture and crust.
- Highly contagious, transmitted via direct contact with infected individuals or contaminated surfaces (e.g., towels).
- Children are particularly susceptible, particularly in hot and humid climates.
- Poor hygiene, crowded living, and contact sports increase risk.
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Description
Explore the different types of bacterial skin infections, including folliculitis and cellulitis. This quiz covers causes, symptoms, transmission methods, and risk factors associated with these infections. Test your knowledge on how these conditions affect the skin and their preventative measures.
