Multiple Choice
Which of the following correctly lists the layers of the skin from the outermost to the innermost?
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5. Integumentary System
Introduction to the Integumentary System
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Which of the following correctly identifies the outermost layer of the skin in a typical diagram of the integumentary system?
A
Hypodermis
B
Dermis
C
Subcutaneous tissue
D
Epidermis
Verified step by step guidance1
Understand the structure of the integumentary system, which consists of three primary layers: the epidermis (outermost layer), dermis (middle layer), and hypodermis (innermost layer, also known as subcutaneous tissue).
Recall that the epidermis is the outermost layer of the skin and serves as a protective barrier against environmental factors such as pathogens, UV radiation, and water loss.
Differentiate between the layers: the dermis lies beneath the epidermis and contains connective tissue, blood vessels, and nerve endings, while the hypodermis is primarily composed of fat and connective tissue for insulation and cushioning.
Review diagrams of the integumentary system to identify the epidermis as the outermost layer, typically labeled at the top of the skin structure.
Confirm that the correct answer to the question is 'Epidermis,' as it is the outermost layer of the skin in the integumentary system.
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