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33 Cards in this Set
- Front
- Back
The dermis is composed of the papillary layer and the ___________.
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reticular layer
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Cell divisions within the stratum __________ replace more superficial cells which eventually die and fall off.
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germinativum
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The cells of stratum corneum were initially produced in the __________.
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Stratum Germinativum
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The epidermal layer that consists almost entirely of keratin is the __________.
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Stratum corneum
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What structure is responsible for the strength of attachment between the epidermis and dermis?
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Epidermal ridge
(the deeper the epidermal ridge, the stronger the attachment) |
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Which of these is not an accessory structure of the skin?
A) Dermis B) Sweat glands C) Hair follicles D) Sebaceous |
dermis
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The layer directly beneath the epidermis is the __________.
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Dermis
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Melanocytes _______________.
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store melanin in melanosomes
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Skin exposed to ultraviolet light increases production of __________.
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Melanin
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Ultraviolet light causes production of vitamin D3 in the cells of the __________.
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Epidermis
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Too much sunlight can cause cancer, but too little can lead to a deficiency in which of these?
A) Vitamin C B) Vitamin D3 C) Beta carotene D) Vitamin A |
Vitamin D3
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The layer primarily responsible for the strength of the skin is the __________ layer.
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Reticular
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The skin can move easily over the underlying muscles because of the loose connective tissue within the __________.
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Hypodermis
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Which of these cells produce the fibers found within the reticular layer of the dermis?
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Fibroblasts
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The skin layer that contains areolar connective tissue is the __________ layer.
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Hypodermal
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Which of the following is NOT part of the cutaneous membrane?
A) Papillary layer B) Epidermis C) Hypodermis D) Reticular Layer |
Hypodermis
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Which accessory structure is NOT found within the dermis?
A) sebaceous gland B) arrector pili muscle C) lamellated corpuscle D) tactile corpuscle E) All of the listed structures are found within the dermis |
All of the listed structures are found within the
dermis (Sebaceous gland, arrector pili muscle, lamellated corpuscle, tactile corpuscle) |
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What structures do you find within the hypodermis?
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Fat and the cutaneous plexus
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The papillary layer is more superficial than the reticular layer of dermis. True or false?
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True
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The soft core of a hair is the __________.
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Medulla
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Which of the following glands secretes oil into the hair follicle?
A) Sebaceous B) Eccrine C) Ceruminous D) Apocrine |
Sebaceous
(This oil gland secretes into the hair follicle) |
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Which of the following types of glands helps cool the body?
A) Apocrine Sweat Glands B) Ceruminous Glands C) Merocrine Sweat Glands D) Sebaceous Glands |
Merocrine Sweat Glands
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Merocrine sweat glands are most abundant in the __________.
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hands
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Cerumen is produced by glands located in the __________.
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Ear Canal
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Collagen to repair a deep skin wound is produced by __________.
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Dermal Fibroblasts
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The nail bed is covered by the ___________.
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Nail Body
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During which phase of injury repair is the scab undermined by epidermal cells?
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Proliferation
(During the proliferation phase, around a week after injury, the scab has been undermined by epidermal cells.) |
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The process of skin repair after injury begins with ___________.
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Formation of a blood clot
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Shedding of the scab and completion of the epidermis occurs during which phase of injury repair?
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Maturation
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Mast cells are triggering a response to injury during which phase of repair?
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Inflammatory
(Mast cells are key to triggering the inflammatory phase immediately after injury) |
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Why are the elderly more prone to skin infections?
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1. They have a thinner epidermis
2. Tissue repairs take longer 3. They have fewer dendritic cells (all of these age-related changes increase susceptibility to skin infections) |
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Damage to elastic fibers in the skin of the elderly results in __________.
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Wrinkles
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____________ represent a link between the integumentary and the lymphoid systems.
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Dendritic Cells
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