Multiple Choice
Primary skin lesions are changes in the structure of the skin during which of the following processes?
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5. Integumentary System
Introduction to the Integumentary System
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Which of the following skin layers is the most superficial?
A
Hypodermis
B
Epidermis
C
Dermis
D
Subcutaneous tissue
Verified step by step guidance1
Understand the structure of the skin: The skin is composed of three primary layers—epidermis, dermis, and hypodermis (also referred to as subcutaneous tissue). These layers are organized from superficial (outermost) to deep (innermost).
Define the term 'superficial': In anatomy, 'superficial' refers to a position closer to the surface of the body, while 'deep' refers to a position farther from the surface.
Identify the epidermis: The epidermis is the outermost layer of the skin, making it the most superficial layer. It serves as a protective barrier and is composed primarily of keratinized epithelial cells.
Compare the other layers: The dermis lies beneath the epidermis and contains connective tissue, blood vessels, and nerves. The hypodermis (subcutaneous tissue) is the deepest layer, consisting of fat and connective tissue that provides insulation and cushioning.
Conclude based on anatomical hierarchy: Since the epidermis is the outermost layer, it is the most superficial layer of the skin.
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