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Questions and Answers
Which of the following accurately describes the epidermis?
Which of the following accurately describes the epidermis?
- Thick and tough
- Replaced every 4 weeks (correct)
- Highly vascular
- Thin and nonstratified
What is a characteristic of the dermis layer of skin?
What is a characteristic of the dermis layer of skin?
- Consists mostly of keratin
- Is replaced every 4 weeks
- Contains sensory receptors (correct)
- Contains mostly fat cells
Which of the following is true about the epidermis's vascularity?
Which of the following is true about the epidermis's vascularity?
- Avascular (correct)
- Moderately vascular
- Highly vascular
- Vascularity varies by individual
What is the primary component of the dermis layer of skin?
What is the primary component of the dermis layer of skin?
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How often is the epidermis replaced?
How often is the epidermis replaced?
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Study Notes
Epidermis
- The epidermis, the outermost layer of skin, is composed of epithelial tissue.
- The epidermis is avascular, meaning it lacks blood vessels.
- The epidermis is constantly being replaced, with a complete turnover occurring every 25-45 days.
Dermis
- The dermis, the layer beneath the epidermis, is primarily comprised of connective tissue.
- The dermis is vascular, containing blood vessels that provide nourishment to the skin.
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Description
Test your knowledge of the epidermal layer of the skin with this quiz. Identify key characteristics and functions of the epidermis to enhance your understanding of skin anatomy and physiology.
