Multiple Choice
Which structures in the integumentary system are responsible for producing goosebumps?
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5. Integumentary System
Introduction to the Integumentary System
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In which of the following skin layers would a subcutaneous injection be administered?
A
Epidermis
B
Hypodermis (subcutaneous layer)
C
Stratum corneum
D
Dermis
Verified step by step guidance1
Understand the structure of the skin, which consists of three main layers: the epidermis (outermost layer), dermis (middle layer), and hypodermis (subcutaneous layer).
Recognize that subcutaneous injections are administered into the hypodermis, which is the deepest layer of the skin. This layer contains fat and connective tissue, making it ideal for absorbing medication slowly.
Differentiate the hypodermis from the other layers: the epidermis is the outer protective layer, the dermis contains blood vessels and nerves, and the hypodermis provides insulation and cushioning.
Recall that the hypodermis is also referred to as the subcutaneous layer, which is why subcutaneous injections are named after this layer.
Conclude that the correct answer is the hypodermis (subcutaneous layer), as it is the layer specifically targeted for subcutaneous injections due to its structure and function.
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