Which is the actively growing part of the nail?
A. Free edge
B. Nail root
C. Nail bed
D. Nail folds
E. Nail matrix
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Question 2) Which of these comprise the nail plate?
a: Free edge
b: Nail folds
c: Eponchyium
d: Nail root
e: Nail body
A. a, d, e
B. a, b, d, e
C. a, b, c, e
D. a, c, d, e
E. a, b, e
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Question 3) Lines of cleavage are a result of
A. the alignment of dermal papillae.
B. the orientation of collagen fibers in the dermis.
C. the alignment of epidermal ridges.
D. wounds to the epidermis such as hemangiomas.
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Question 4) The hypodermis is rich in adipose, and thus its functions include
A. frequent regeneration, structural support, and defense against infection.
B. maintenance of boundaries and sensation of stimuli.
C. water regulation and vitamin synthesis.
D. organ protection, energy storage, and thermal insulation.
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Question 5) 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.
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Question 6) To speed healing from surgery, incisions should be placed ________ to lines of cleavage.
A. parallel
B. perpendicular
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Question 7) What is the composition of the subcutaneous layer?
A. Adipose connective tissue
B. Areolar connective tissue
C. Dense irregular connective tissue
D. Areolar connective tissue and dense irregular connective tissue
E. Areolar connective tissue and adipose connective tissue
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Question 8) 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
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Question 9) Why might someone pale when they are exposed to a cold temperature?
A. Vasodilation has occurred
B. Vasoconstriction has occurred
C. Purely psychological
D. Dehydration of the stratum corneum
E. Constriction of the dermal collagen and elastic fibers
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Question 10) Among the components of the dermis are
a: sweat glands
b: hair follicles
c: collagen fibers
d: sensory nerve endings
e: arrector pili muscles
A. a, b, d
B. a, c, d
C. a, b, d, e
D. a, b, c, e
E. a, b, c, d, e
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