A) consists of continuously dividing cells.
B) can become thickened and form a structure called a callus or corn.
C) has cells that are continuously moving toward the stratum basale.
D) has cells that synthesize melanin.
E) has all of these characteristics.
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A) eccrine sweat glands.
B) apocrine sweat glands.
C) sebaceous glands.
D) both eccrine and apocrine sweat glands.
E) All glands of the skin have this property.
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A) is a process that epidermal cells undergo as they move to the surface.
B) produces cells filled with keratin.
C) gives the stratum corneum its structural strength.
D) produces an outer layer of epidermal cells that resist abrasion.
E) has all of these properties.
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A) the inflammatory response
B) anger or blushing
C) exposure to heat
D) exposure to cold
E) all of the circumstances listed are correct answers.
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A) evaporation of sweat from the surface of the skin to reduce body temperature
B) dilation of dermal blood vessels to decrease loss by radiation and convection
C) constriction of dermal blood vessels to help remove excess heat
D) constriction of dermal blood vessels to prevent tissue damage when skin temperature drops too low
E) All of these are correct relationships in body temperature regulation.
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A) is a pigment produced by cells in the stratum corneum.
B) is produced by melanocytes.
C) is responsible for cyanosis.
D) is responsible for birthmarks.
E) is all of these.
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A) is the least dangerous form of skin cancer.
B) usually arises from melanocytes in a preexisting mole.
C) rarely metastasizes.
D) is the most common type of skin cancer.
E) is the least dangerous form of skin cancer and usually arises from melanocytes in a preexisting mole.
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A) eccrine sweat glands
B) apocrine sweat glands
C) sebaceous glands
D) both eccrine and apocrine sweat glands
E) All glands of the skin have this property.
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A) nail body.
B) nail matrix.
C) eponychium.
D) lunula.
E) stratum corneum.
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A) hair shaft.
B) hair root.
C) arrector pili.
D) cuticle.
E) hair bulb.
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A) In partial thickness burns,some part of the stratum basale remains intact and able to regenerate.
B) In a first degree burn,regeneration of the epidermis comes from within the burn area and from the undamaged tissues at the edges of the burn.
C) In partial thickness burns,the dermis and the epidermis are completely destroyed.
D) Partial thickness burns can also be classified as first or second degree burns based on the degree of damage to the skin.
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A) The hair follicle is an extension of the epidermis into the dermis.
B) The hair root and shaft are made up of continuously dividing cells.
C) The cuticle is a single layer of overlapping cells that holds the hair in the follicle.
D) Hair grows in cycles.
E) The hair follicle can be an important source of epithelial cells for repairing areas of the surface epidermis.
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A) can be used to estimate total body fat.
B) is usually considered to be part of the skin itself.
C) is a layer of dense connective tissue.
D) is the layer between the dermis and epidermis.
E) has all of these characteristics.
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A) Basal cell carcinoma produces an open ulcer.
B) Squamous cell carcinoma often arises from a preexisting mole.
C) Squamous cell carcinoma arises from cells within the stratum basale.
D) Malignant melanoma poses little danger of metastasis.
E) All of these statements are true.
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A) cortex.
B) cuticle.
C) papilla.
D) arrector pili muscle.
E) medulla.
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A) decreased permeability of remaining capillaries in damaged area.
B) dangerously high systemic blood pressures.
C) decreased systemic blood pressure and development of cardiovascular shock.
D) depression of overall metabolic rate.
E) total suppression of the immune system.
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A) altered blood flow to the skin (overall or in small areas) .
B) increased number of active melanocytes.
C) collection of abnormal pigment (not melanin) in the skin.
D) decreased oxygen content of blood.
E) increased production of melanin by normal number of melanocytes.
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