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The two types of leukocytes that clean up debris underneath the blood clot of a wound are


A) keratinocytes and macrophages.
B) Merkel cells and dendritic cells.
C) dendritic cells and keratinocytes.
D) macrophages and neutrophils.
E) fibroblasts and neutrophils.

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

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After about 10 weeks of development, hair follicles begin to appear as pockets of cells, called hair ________.

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The reason for the reddish tint seen in lightly pigmented skin is the molecule formed by the combination of oxygen and melanin.

A) True
B) False

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The deeper sublayer of the dermis is the ________ layer, and it is the ________ of the two.


A) reticular, thicker
B) reticular, thinner
C) papillary, thicker
D) papillary, thinner

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

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

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The mammary glands of the breasts are modified ________ sweat glands.

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The subcutaneous layer, or hypodermis, is one of the two parts of the integument.

A) True
B) False

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Where on the human body is the hair thick enough to retain heat?


A) Beard
B) Axillary region
C) Nose
D) Pubic region
E) Scalp

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

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Skin is an entirely waterproof barrier, preventing all gain or loss of fluid from the skin except sweat.

A) True
B) False

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Transpiration is another name for sweating.

A) True
B) False

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  -What does number 5 indicate? A)  Eccrine gland B)  Hair follicle C)  Hair matrix D)  Hair shaft E)  Epidermal ridge -What does number 5 indicate?


A) Eccrine gland
B) Hair follicle
C) Hair matrix
D) Hair shaft
E) Epidermal ridge

F) B) and E)
G) C) and E)

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Cancer cells in the epidermis are attacked by


A) Merkel cells.
B) epidermal dendritic cells.
C) melanocytes.
D) keratinocytes.

E) A) and B)
F) A) and C)

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The reticular layer of the dermis consists primarily of


A) adipose tissue.
B) reticular connective tissue.
C) dense irregular connective tissue.
D) nervous tissue.
E) elastic connective tissue.

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

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Most of the nail body appears pink because of the blood in the underlying capillaries.

A) True
B) False

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Which are applicable to the stratum corneum? A: Most superficial stratum B: Consists of about 3-5 cell layers C: Cells are dead D: Interlocking keratinized cells E: Cells are anucleate


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

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

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From what else, besides physical trauma, does the skin provide protection?

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UV radiation and ".....

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When the body is cold and needs to conserve heat, the blood vessels in the dermis dilate to allow for more blood flow in that region.

A) True
B) False

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Areas where adult males tend to accumulate subcutaneous fat include the


A) hips and buttocks.
B) abdomen, forearms, and hips.
C) neck, abdomen, and buttocks.
D) breasts, upper back, and buttocks.

E) A) and C)
F) All of the above

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Epidermal dendritic (Langerhans) cells function as part of the ________ response.


A) immune
B) sensory
C) tanning
D) heating
E) sweating

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

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The white crescent at the proximal end of the nail plate is called the ________.

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