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Among the components of the dermis are A: Sweat glands B: Hair follicles C: Collagen fibers D: Sensory nerve endings E: Smooth muscle tissue


A) a,b,d
B) a,c,d
C) a,b,d,e
D) a,b,c,e
E) a,b,c,d,e

F) None of the above
G) All of the above

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Blood capillaries that supply the epidermis are located in the


A) dermal papillae.
B) epidermal ridges.
C) friction ridges.
D) epidermis proper.
E) subcutaneous layer.

F) B) and D)
G) None of the above

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The growth rate for a scalp hair is about _______ per day for 18 months to 7 years,and then the hair becomes dormant.


A) 1.0 mm
B) 1.0 cm
C) 1/2 mm
D) 1/3 mm
E) 0.75 mm

F) B) and D)
G) A) and E)

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Hair production involves a specialized type of keratinization that occurs in the hair ______.

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Tactile (Merkel) cells are sensitive to


A) sound.
B) light.
C) touch.
D) heat.
E) cold.

F) A) and D)
G) B) and C)

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Sebaceous glands discharge an oily,waxy secretion called _______.

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________ glands are modified sweat glands located only in the external ear canal.

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Sudoriferous glands and ______ glands are examples of exocrine glands in the skin.

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Another name for sweating is ________ perspiration.

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Which is not a function of the integument?


A) Protection
B) Water loss prevention
C) Temperature regulation
D) Synthesis of vitamin D3
E) No exceptions; all are functions of the integument.

F) A) and E)
G) A) and B)

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Melanocyte cytoplasmic processes transfer pigment granules into stratum basale keratinocytes; these pigment granules shield the nuclear DNA from UV radiation.

A) True
B) False

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  -Which number indicates the eponychium? A) 1 B) 2 C) 3 D) 4 E) 5 -Which number indicates the eponychium?


A) 1
B) 2
C) 3
D) 4
E) 5

F) None of the above
G) A) and D)

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In response to severe injuries or burns,the body may repair itself by producing scar tissue to fill the damaged area.This process is called _______.

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A ________ is an accumulation of excess scar tissue caused by collagen formation during healing.

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Nails,hair,and sweat and sebaceous glands are all derived from the epidermis.

A) True
B) False

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Caused by the human papillomavirus,a ______ is a roughened projection from the surface of the skin.

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The greatest risk factor for skin cancer is


A) exposure to UV light rays.
B) advanced age.
C) being a female.
D) low skin hydration levels.
E) using excessive sun block.

F) A) and B)
G) A) and C)

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Sweat gland secretion occurs in response to stimulation by the _______ division of the nervous system.

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Thinning of the hair is called ________.

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In which areas do adult females tend to accumulate subcutaneous fat? A: Breasts B: Buttocks C: Hips D: Thighs E: Abdomen


A) a,b,e
B) b,c,d
C) c,d,e
D) a,b,c,d

E) B) and C)
F) C) and D)

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