integumentary system key terms

Multiple Choice

the skin; superficial epidermis

• hypodermis
• cutaneous membrane

• dermis
• stratum corneum

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wet membranes that line body cavities that open to the exterior; often adapted for absorption or secretion

• Mucous membranes
• Serous membranes
• Cutaneous membranes
• Synovial membranes

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membranes that line body cavities that are closed to the exterior; occur in pairs; secrete serious fluid

• Mucous membranes
• Serous membranes
• Cutaneous membranes
• Synovial membranes

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serous membrane layer that covers the outside of an organ

• parietal layer
• epithelial layer
• serosal layer
• visceral layer

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serous membrane layer that lines the inside wall of the cavity

• parietal layer
• peritoneal layer
• serous fluid
• visceral layer

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membranes that line the fibrous capsules surrounding joints, bursae, and tendon sheaths; secrete lubricating fluid

• Cutaneous membranes
• Mucous membranes
• Serous membranes
• Synovial membranes

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superficial skin layer composed of stratified squamous epithelium

• Stratum corneum
• Dermis
• Epidermis
• Hypodermis

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cells that make up 90% of the epidermis; produce and store the protein keratin

• adipocytes
• melanocytes
• keratinocytes
• fibroblasts

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protein that makes cells though, scaly, and water resistant

• keratin
• collagen
• elastin
• myosin

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cells in the lower layer of the epidermis that produce the pigment melanin

• keratinocytes
• fibroblasts
• adipocytes
• melanocytes

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pigment that gives skin its color; protects skin from UV radiation

• melanin
• carotene
• hemoglobin
• collagen

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deep layer of the skin composed of the papillary and reticular layers

• Dermis
• Epidermis
• Subcutaneous layer
• Hypodermis

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superficial layer of the dermis that borders the epidermis; contains dermal papillae, capillary loops, pain and touch receptors

• reticular dermis
• stratum corneum
• hypodermis
• papillary layer

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deep layer of the dermis that contain blood vessels, sweat and oil glands, deep pressure receptors, and phagocytes

• reticular layer
• stratum corneum
• hypodermis
• epidermis

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projections that hold the epidermis and dermis together

• subcutaneous layers
• dermal papillae
• epidermal ridges
• hair follicles

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touch receptors

• elastin

• collagen

• Pacinian corpuscles

• meissner's corpuscles

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deep pressure receptors

• eccrine sweat glands

• Pacinian corpuscles

• dermal papillae

• hypodermis

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protein in the dermis that gives toughness and hydration to the skin

• elastin
• keratin
• hyaluronic acid
• collagen

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a fibrous glycoprotein in the dermis that provides elasticity

• keratin
• elastin
• collagen
• hyaluronic acid

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deep to the dermis; holds skin to underlying tissue and stores fat

• epidermis
• dermal papillae
• subcutaneous tissue
• hypodermis

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sweat glands; may be eccrine or apocrine

• meissner's corpuscles

• dermal papillae

• hypodermis

• sudoriferous glands

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most common type of sweat gland; ducts carry sweat to pores on the skin surface

• Apocrine sweat gland
• Eccrine sweat gland
• Sebaceous gland
• Ceruminous gland